Neuropsychology
ali mostafaie; Mohammad Oraki
Abstract
Aim: The present investigate was conducted with the aim of the effect of cognitive fatigue on working memory and executive functions in female students. Method: The present study was a quasi-experimental study with pretest-posttest design with a control group,The statistical population of this research ...
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Aim: The present investigate was conducted with the aim of the effect of cognitive fatigue on working memory and executive functions in female students. Method: The present study was a quasi-experimental study with pretest-posttest design with a control group,The statistical population of this research includeds the female students of the first secondary school in Urmia city in the academic year of 1400-1401,which is available by random sampling method 30 students selected and were simple randomly divided into two experimental (n=15) and control groups (n=15). The experiment consisted of second phases.In the first stage, the participants were exposed to cognitive tasks and then in the second stage, the Behavior Rating Inventory of Executive and N-Back working memory test was performed to compare the groups based on the amount of cognitive fatigue.The data were analysed by analysis of Covariance. Findings: The results of data analysis using covariance analysis showed decrease in working memory and executive functions in the experimental group compared to the control group. Conclusion: In general, the findings of the current research on the role of cognitive fatigue variables, which reduces the amount of working memory and executive functions And on the other hand, this type of fatigue is related to cognitive and brain functions.
Neuropsychology
Fahimeh Hamzehnejadi; Fariborz Bagheri; Mohammad Hatami; Fariborz dortaj
Abstract
Introduction: The aim of this study was to evaluate the effectiveness of behavioral self-regulation on working memory, attention deficit and hyperactivity in children. Method: This research was performed experimentally with a pretest-posttest design with an experimental group and a control group. The ...
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Introduction: The aim of this study was to evaluate the effectiveness of behavioral self-regulation on working memory, attention deficit and hyperactivity in children. Method: This research was performed experimentally with a pretest-posttest design with an experimental group and a control group. The statistical population included all children aged 7 to 12 years with attention deficit hyperactivity disorder who referred to counseling and psychology centers in Tehran's District 5 in the academic year 2019-2020, and were treated with Ritalin. Sampling was done by simple random method. Then, among the 40 people who received the most symptoms of attention deficit hyperactivity disorder and the lowest score in working memory, they were randomly divided into experimental and control groups. The experimental group separately participated in 8 weekly sessions of 60 minutes of research intervention and the control group remained on the waiting list. The research instruments included the Pediatric Symptoms Questionnaire (CSI-4) and the Work Memory Scale of Aloy et al. (2008). Statistical data were analyzed using multivariate analysis of covariance. Results: The findings indicate that self-regulatory behavioral interventions are effective on working memory and reducing the symptoms of attention deficit hyperactivity disorder in children. Conclusion: Behavioral self-regulation skills training had a significant effect on working memory of ADHD children.
Neuropsychology
Mohammadreza Noroozi Homayoon; Majid Almasi; Esmaeil Sadri Damirchi; Mohamad Hatami Nejad
Abstract
Objective: The present study was conducted with the aim of Comparing the effectiveness of transcranial direct current stimulation and repeated Transcranial Magnetic Stimulation treatment on working memory, impulsivity and self-harm behaviors in people with borderline personality. Method: The current ...
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Objective: The present study was conducted with the aim of Comparing the effectiveness of transcranial direct current stimulation and repeated Transcranial Magnetic Stimulation treatment on working memory, impulsivity and self-harm behaviors in people with borderline personality. Method: The current research is semi-experimental with pre-test-post-test and control groups. The statistical population of this research includes the clients of some counseling centers in Ardabil city in 1401. The sample of this study consisted of 45 people with borderline personality disorder who were selected by the available sampling method. This study included 3 groups and each group included 15 people. Each subject was randomly assigned to two treatment groups (tDCS and rTMS) and a control group. The tools of this research included N-back working memory test, Barratt Impulsivity questionnaire, self-harm questionnaire, tDCS and rTMS.Findings: The results showed that the treatment of tDCS and rTMS has a significant effect on impulsivity, working memory and self-harm in borderline personality disorder patients. And the results show that after controlling the effect of the pre-test on the post-test to compare scores, working memory, impulsivity and self-harm among the three groups, there is a significant difference at the error level (0.05). The results of Bonferroni's post hoc test also showed that between the effectiveness of the two treatment methods, rTMS treatment was more effective than tDCS. Conclusion: The results showed that tDCS and rTMS led to the improvement of working memory in people with borderline personality disorder and also reduced the level of impulsivity and self-harm behaviors.
Fariba Jazini; Mahmood Sheikh
Abstract
The purpose of the current study was to examine the effect of transcranial direct electrical stimulation (tDCS) of the visual cortex on the acquisition and persistence of motor performance and working memory in children with developmental coordination disorders. In semi-experimental study with pre-test-post-test ...
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The purpose of the current study was to examine the effect of transcranial direct electrical stimulation (tDCS) of the visual cortex on the acquisition and persistence of motor performance and working memory in children with developmental coordination disorders. In semi-experimental study with pre-test-post-test research plan and follow-up period of 1 and 42 days, 24 children with developmental coordination disorder were randomly selected, and randomly assigned to 2 groups of 12 tDCS visual cortex and sham stimulation. Participants in the pre-test performed 3 working memory tests and 10 throwing and catching skills. The intervention phase was performed for 5 consecutive days. Each day, electrical stimulation of the brain from the visual cortex (Oz anode and Cz cathode) and sham stimulation was performed. Participants performed 3 working memory tests and 10 throwing and catching skills. In the last session, post-test phase was performed. 1 day and 42 days after the post-test phase, short-term and long-term follow-up phases were performed, respectively. Data were analyzed with mixed analysis. The results showed that tDCS of the visual cortex significantly improved working memory and motor performance in children with developmental coordination disorders. Other results indicated the persistence of working memory and motor performance in children with developmental coordination disorders in short-term and long-term follow-up tests. In general, the results of the present study emphasize the effectiveness of tDCS in the vision area on motor performance and working memory in DCD children.
milad amini masouleh; Gholamreza Chalabianloo; reza abdi
Abstract
Introduction: Working memory deficit is one of the most common complaints in post-stroke patients. The present study aimed to investigate the efficacy of the con-commitment use of unihemispheric concurrent dual-site a-tDCS (a-tDCSUHCDS), computer-assisted cognitive rehabilitation and conventional (Single ...
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Introduction: Working memory deficit is one of the most common complaints in post-stroke patients. The present study aimed to investigate the efficacy of the con-commitment use of unihemispheric concurrent dual-site a-tDCS (a-tDCSUHCDS), computer-assisted cognitive rehabilitation and conventional (Single site) a-tDCS in comparison with computer-assisted cognitive rehabilitation without tDCS on the working memory in stroke patients. Method:32 participants (21 males and11 females; age range 40-65years) with subacute stroke were selected by purposeful sampling method & randomly assigned to three experimental conditions and a controlled group with sham stimulation. All groups completed sessions of the Dual N-back training task. A-tDCSUHCDS group received anodal tDCS over the left DLPFC and M1 and conventional (Single site) a-tDCS group received anodal tDCS over the left DLPFC. Result: A repeated measures analysis of variance revealed that the a-tDCSUHCDS group had the larger improvement in working memory tasks after the intervention. Also, at the 8-weeks follow-up, the a-tDCSUHCDS group still had larger improvements in mentioned tasks. Conclusion: These results indicated that there may be potential for the concomitant use of a-tDCSUHCDS and computer-assisted cognitive rehabilitation by increasing the excitability of the cortical network of brain regions that play an important role in executive functions, to enhance the efficiency of the cognitive rehabilitation programs of the stroke patients.
Forough Ayatnia; parvin mirzaie
Abstract
Introduction: Children with Attention Deficit Hyperactivity Disorder have problems with some cognitive functions. Also, these children are more likely to drop out of school than normal children. this study was to investigate the effect Transcranial direct-current stimulation of brain (tdcs) on cognitive ...
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Introduction: Children with Attention Deficit Hyperactivity Disorder have problems with some cognitive functions. Also, these children are more likely to drop out of school than normal children. this study was to investigate the effect Transcranial direct-current stimulation of brain (tdcs) on cognitive ability and working memory of students with attention deficit hyperactivity disorder. Method: this research was quasi-experimental with pre-test-post-test design and follow-up with the control group. The statistical population of the present study was all students aged 15-18 years who referred to the Psychology Clinic in Tehran in 1399-1400. Among them, 32 people were selected using available sampling method and were placed completely randomly in two experimental groups (16 people) and control group (16 people). Participants in the experimental group received 18 single sessions of 30-minute transcranial stimulation of the brain using direct electric current. Cognitive and problem solving questionnaires were used to collect data. Data were analyzed using SPSS software and statistical method of analysis of variance with repeated measures. Results: the results showed that extracranial stimulation of the brain using direct electric current improved the cognitive ability and working memory of students with attention deficit hyperactivity disorder.
Shadi Ebrahimi jozani; Roya Kochak Entezar; Mozgan Sepahmansour; Parvaneh Ghodsi
Abstract
Introduction: Role of executive functions in developing intellectual, personality, social skills and educational achievement is approved. On the other hand, executive dysfunctions including working memory problems and response disinhibiting may lead to impulsivity, inattention, behavioral problems, communication ...
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Introduction: Role of executive functions in developing intellectual, personality, social skills and educational achievement is approved. On the other hand, executive dysfunctions including working memory problems and response disinhibiting may lead to impulsivity, inattention, behavioral problems, communication problems and social non-adjustment. So the present research aimed to determine and evaluate neurofeedback and Capitan log on response inhibition and storage of working memory. Method: This research was semi experimental study with control group and statistical population were all female elementary students in 4grade in Tehran in 2019-2020. Then 90 students were selected by multi stage clustering method and designated into three groups (2 experimental and 1 control) after screening by inclusion criteria. Daneman and Carpenter working memory scale (1980) and Behavior Rating Inventory of Executive Function (BRIEF) were used for measuring before and after and in following up test. Two experimental groups received 20 sessions of interventions and control group didn’t receive any intervention. Covariance analysis and spss21 were used for analysis of data. Findings: Neurofeedback and Capitan log interventions had significant effects on storage of working memory and response inhibition in students (p<0/05) but neurofeedback was more effective than Capitan log. Conclusion: These interventions can be used to improve working memory and response inhibition to increase educational achievement.
samane jasbe; Alireza Pirkhaefi
Abstract
Aim: The purpose of this study was comparing executive functions in patient with schizophrenia and obsessive-compulsive disorders with normal individual. Method: The research design was post- facto. The sample of this study included 32 patients with schizophrenia disorders, 31 patient’s OCD in ...
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Aim: The purpose of this study was comparing executive functions in patient with schizophrenia and obsessive-compulsive disorders with normal individual. Method: The research design was post- facto. The sample of this study included 32 patients with schizophrenia disorders, 31 patient’s OCD in Shahid Lavasani Hospital and 30 participants from normal population. The color-word Stroop test, the N-back test, and the Wisconsin Cards Sorting Test were also used to collect the research data. Data were analyzed using multivariate analysis of variance. Results: The results of this study showed significant differences between the groups in selective attention and in the number of correct responses, so that the normal group had higher scores than patient groups and OCD group achieved higher scores schizophrenic group. In shift attention (completed trials and correct responses) the results showed that the normal group had higher scores that patient groups, and OCDs achieved higher scores than schizophrenics. However, in preservation subscale, the schizophrenic patients were higher than OCD and normal groups. Finally, in working memory, difference between the groups didn’t reach significant. Conclusion: The results of this study revealed higher attention deficits in schizophrenia and OCD patients in comparison to normal controls. Furthermore, schizophrenics had poorer function on selective and shifting attention than OCD patients.
Maryam Ranjbar; saeid Hassanzadeh; Aliakbar Arjmandniya
Abstract
Aim: This study was to development and efficacy of Working Memory, Attention and Inhibition in children with executive dysfunction. Method: In this semi-experimental study(pretest-posttest with control group) design, 23 students with Executive dysfunction were selected using the non-random purposive ...
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Aim: This study was to development and efficacy of Working Memory, Attention and Inhibition in children with executive dysfunction. Method: In this semi-experimental study(pretest-posttest with control group) design, 23 students with Executive dysfunction were selected using the non-random purposive sampling method and randomly divided into the experimental and control groups. In order to identify the needs and components of the Cognitive Rehabilitation Program, systematic review of the existing research was carried out and finally, based on the existing theoretical and research foundations of the computerized Cognitive Rehabilitation Program. The executive function training program was performed in 18 sessions(45 minutes) using the computerize training program in the experimental group. Behavior Rating Inventory of Executive Function(BRIEF–P) was used to assess executive dysfunction, the HAFBAK Tests were used to assess the working memory and using the IVA-2 test for assess attention. Also, analysis of covariance was used to examine the effectiveness of intervention. Results: The results showed that after the intervention program, the improvement working memory and attention(P<0/05). Instead, no significant differences were observed in inhibition between the two groups after the intervention(P<0/05). Conclusion: Therefore, computerized cognitive rehabilitation, as a complementary therapeutic approach along with other therapies, can be used in conventional interventions to enhance executive functions.
eskandar fathiazar; Arash Mani; Youef Adib; zahra sharifi
Abstract
Aim: The purpose of the present study was to investigate the effectiveness of a Cognitive Neuroscience Curriculum on improving executive functions and working memory in elementary students with mathematical learning disorder in Shiraz. Methods: The research method is quasi-experimental. The statistical ...
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Aim: The purpose of the present study was to investigate the effectiveness of a Cognitive Neuroscience Curriculum on improving executive functions and working memory in elementary students with mathematical learning disorder in Shiraz. Methods: The research method is quasi-experimental. The statistical population of this study includes all students with math learning disabilities from Grades two to six in Shiraz District 2 and 4. Using simple random sampling, Thirty-one students were randomly selected and then randomly assigned to experimental and control groups. Training in the control group was based on the traditional teaching style and the curriculum patterns that were implemented. The training in the experimental group was based on a cognitive neuroscience curriculum model. Results: Findings showed that the difference between the mean scores of working memory in the post-test after pre-test control and in the experimental and control groups was equal to 8.740. And F equals 264/26 with a significance level of P≤0.001 and this shows that this difference is significant with pre-test control. In the executive functions section, the average score was 205.337 and the value of F was 2.94. There was a trend towards the effectiveness of the intervention, but no statistically significant difference was observed. Therefore, it can be concluded that the intervention had a positive and significant effect on working memory and an indirect effect on students' executive functions. Conclusions: Cognitive neuroscience interventions can be an effective way to improve math learning disabilities by highlighting basic math learning skills.
Alireza Mohseni-ezhiyeh; Salar Farmarzi; mohammad hosseinali zade
Abstract
Aim: hearing cochlear implants bring about a positive outcomes for deaf children, but the experience of primary deafness imposes various constraints, one of which is the working memory problem. The present study aimed at developing a neuropsychological empowerment program for students with cochlear implants(NEPSCI) ...
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Aim: hearing cochlear implants bring about a positive outcomes for deaf children, but the experience of primary deafness imposes various constraints, one of which is the working memory problem. The present study aimed at developing a neuropsychological empowerment program for students with cochlear implants(NEPSCI) and its effectiveness on the working memory problems of deaf students with cochlear implants. Method: The present study employed an A-B single-subject research design. The statistical population consisted of students cochlear implants in Isfahan City in the academic year of 2017-2018. 3 students were selected from the population via the purposive sampling method. The research instruments were of the Wechsler Intelligence Scale for Children-IV(WISC-IV) and the Working Memory Rating Scale(WMRS). Accordingly, subjects were observed for 5 consecutive weeks(in baseline state), then the intervention was conducted in eight weeks. After that, during three weeks, variation consistency in the follow-up phase was observed. Data were analyzed through visual analysis. Findings:. During the visual analysis of the data chart, intervention was effective on all three subjects. The percentage of non-overlapping data(PND) in both baseline and intervention phases for all three subjects was 87.5%, 75%, and 100%, respectively. This effectiveness in follow-up phase was still observable. Conclusion: According to the results, it can be inferred that the NEPSCI is a suitable method for reducing the problems of working memory in students with cochlear implants and can be employed in educational and treatment centers.
mohammad Oraki; mahin fekraty; hossein zare; ahmad alipour
Abstract
Aim: The aim of this study is to compare the effect of metacognitive therapy and transcranial magnetic stimulation(TMS) on executive functions, working memory in patients with major depression. Method: This research is applied in terms of purpose and quasi-experimental method with pre-design. Exam and ...
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Aim: The aim of this study is to compare the effect of metacognitive therapy and transcranial magnetic stimulation(TMS) on executive functions, working memory in patients with major depression. Method: This research is applied in terms of purpose and quasi-experimental method with pre-design. Exam and post-test was with a period of three months. The subjects were divided into three experimental groups, in the first experimental group the independent variable(metacognitive therapy) and in the second experimental group the independent variable(transcranial stimulation(TMS)) are applied and in the third group both variables are applied. Were. the total sample size of 45 people was considered, of which 15 people were randomly assigned to the metacognitive therapy group, 15 people to the transcranial magnetic stimulation therapy group and 15 people to the metacognitive and magnetic stimulation combination therapy group. The n- back questionnaire, the Wisconsin card test, and the metacognition questionnaire were used to collect data. Results: The results of research showed that metacognitive therapy and magnetic stimulation of the brain are effective on executive functions and working memory in patients with depression. Conclusion: This study showed that thefunction Combination therapy have a positive effect on working memory and executive functions. Keywords: metacognitive therapy, transcranial magnetic stimulation, executive function, working memory
Gholam Hossein Javanmard
Abstract
Aim: The present study was a quasi-experimental study with pretest-posttest design with a control group aimed to investigate the effect of computerized cognitive rehabilitation while stimulating anodic prefrontal cortex on executive and working memory functions in adolescents with diabetes type 1. Method: ...
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Aim: The present study was a quasi-experimental study with pretest-posttest design with a control group aimed to investigate the effect of computerized cognitive rehabilitation while stimulating anodic prefrontal cortex on executive and working memory functions in adolescents with diabetes type 1. Method: 20 adolescents aged 15-18 years with diabetes were selected from the Diabetes Association of Bonab city and were randomly divided into two experimental and control groups(n = 10). The executive functions and working memory of both experimental and control groups were assessed in the pre-test and post-test stages through the Wisconsin Card Sorting Test software, and memory and attention improvement software. For intervention, the experimental group received cognitive rehabilitation for working memory in 10 half-hour sessions(one day in between), simultaneously stimulating Fp1 and Fp2 with memory and attention improvement software. Findings: The results of data analysis using covariance analysis showed improvement in cognitive flexibility and working memory and a decrease in overall perseveration in the experimental group. Conclusion: According to the results of this study, cognitive working memory rehabilitation can be used simultaneously with anodic stimulation of the prefrontal cortex as an effective method for improving executive functions and working memory in type 1 diabetic patients.
Nasrin Ganjei; touraj hashemi
Abstract
Aim: The aim of this study was to determine the relationship between executive functions of the brain with attention deficit hyperactivity disorder. Method: For this purpose, in the form of a correlation design, the students of Tabriz University in the academic year of 98-99 were selected by cluster ...
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Aim: The aim of this study was to determine the relationship between executive functions of the brain with attention deficit hyperactivity disorder. Method: For this purpose, in the form of a correlation design, the students of Tabriz University in the academic year of 98-99 were selected by cluster random sampling. Data were collected using Conners Ill Symptom Checklist, Stroop Test, Wisconsin Cards, and Wechsler Working Memory. Results: Data analysis using structural equation modeling showed that the functions of organization, accuracy and concentration, working memory, problem solving and inhibition were able to significantly determine changes in attention deficit and hyperactivity symptoms. Conclusion: The executive functions of the brain have a negative role in attention deficit hyperactivity disorder and deficiency in these functions may predispose to attention deficit hyperactivity disorder. Therefore, in current etiology of attention deficit and hyperactivity, it is necessary to emphasize the evaluation of executive functions and to consider executive dysfunction as the neurological basis of attention deficit and hyperactivity disorder..
Ali Shahabifar; Seyyed Mehdi Hosseinifard; Ata-o-llah Movahedinia
Abstract
Aim: The aim of this study was to investigate the interactive effect of working memory and task duration on time perception. Methods: The research method was quasi-experimental. The population of this research was school students, university students and personnel of organizations of Kerman city in 2018 ...
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Aim: The aim of this study was to investigate the interactive effect of working memory and task duration on time perception. Methods: The research method was quasi-experimental. The population of this research was school students, university students and personnel of organizations of Kerman city in 2018 and among them, 300 persons were selected by available sampling method. The time reproduction task of Shahabifar and Movahedinia (2016) was used for obtaining data. Data were analyzed by paired samples t-test and two factor analysis of variance with repeated measures. Findings: The results showed that the main effect of working memory and task duration and interactive effect of these variables on time perception was significant (p<0.01). Working memory and increase of the task duration affect time perception respectively in the form of decreasing and increasing the amount of time reproduction error. Conclusion: Time perception decays significantly with increasing length of time intervals and working memory load.
Majid Safarinia; Fatemeh Bazaz Monsef; raheb jafari
Abstract
Aim: The relation between cognition and emotion has always been interesting for researchers. Although they are separate domains, they interact with each other. The purpose of this study was to investigate the influence of shame and guilt emotions on phonological loop and visuSpatial Sketchpad of ...
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Aim: The relation between cognition and emotion has always been interesting for researchers. Although they are separate domains, they interact with each other. The purpose of this study was to investigate the influence of shame and guilt emotions on phonological loop and visuSpatial Sketchpad of Working Memory. Method: A quasi-experimental pretest-posttest design was applied in this research. Sixty university students were selected through convenience sampling. Adult Wechsler test (digit span Test) and corsi blocks task were used for data collection. Results: The results of covariance analysis showed that shame and guilt emotions significantly affected phonological loop and visual-spatial working memory. Conclusion: Shame and Guilt Emotions can negative influence on working memory performance.
somaye zarenezhad; sakineh soltanikouhbanani; HOSSEIN KARSHKI
Abstract
Aim:A high percentage of children with learning disabilities, the most common of which is disordered reading or dyslexia, and one of the areas affected by poor performance, finding ways to improve performance can lead to academic achievement and preventing a student from preventing failureThe purpose ...
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Aim:A high percentage of children with learning disabilities, the most common of which is disordered reading or dyslexia, and one of the areas affected by poor performance, finding ways to improve performance can lead to academic achievement and preventing a student from preventing failureThe purpose of this study was to determine the effect of teaching self-regulation learning strategies on memory and inhibition of dyslexic students. Metod: The design of this semi-experimental study was a trial and control group in which 30 dyslexic students of elementary school students were selected through a sampling method. The statistical population of the elementary school students was dyslexic Education in Mashhad in the academic year of 97-96. Subjects were trained in eight 90-minute sessions once a week. Findings: The results of the research showed that training of self-regulation learning strategies on working memory and inhibition of dyslexic students' response was effective in collecting data. Conclusion: Based on this, it can be concluded that self-regulation learning on the components of executive function can be an effective therapeutic approach for dysfunctional students.
Romina Manani; Ahmad Abedi; Fariborz Dortaj; Noor Ali Farrokhi
Abstract
Aim: The present study has been performed to evaluate the gifted underachievement phenomenon on mathematics and compare neuropsychological skills profile of these students in groups with different levels of achievement. Methods: This study used a causal-comparative design. The study population includes ...
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Aim: The present study has been performed to evaluate the gifted underachievement phenomenon on mathematics and compare neuropsychological skills profile of these students in groups with different levels of achievement. Methods: This study used a causal-comparative design. The study population includes all students of exceptional talents middle schools, in the academic year 2018/19. For this purpose, 36 male and female students were selected by the convenience sampling method and were studied based on their neuropsychological skills.To collect the data, the online version of Wisconsin Card Sorting Test, Corsi block-tapping test and Deary-Liewald reaction time task were used. Data were analyzed using multivariate analysis of variance. Findings: The results indicated there was a significant difference between neuropsychological skills in two groups in visual-spatial working memory, choice reaction time task and executive functions. Conclusion: According to the findings of this study, it can be concluded that underachiever gifted students experience more neuropsychological skills insufficiency than those gifted students with expected achievement. Therefore, in addition to paying attention to personality and environmental factors, evaluation of neuropsychological skills and application of appropriate neuropsychological interventions to prevent of the occurrence of gifted underachievement is recommended.
Fateme Taaki; Maryam Sharifi; Mahgol Tavakoli
Abstract
Aim: Hyperactivity disorder is one of the most common chronic developmental disorders that has always been of interest to researchers and therapists. So far, several studies have been conducted to evaluate and improve cognitive problems such as working memory function in children with this disorder. ...
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Aim: Hyperactivity disorder is one of the most common chronic developmental disorders that has always been of interest to researchers and therapists. So far, several studies have been conducted to evaluate and improve cognitive problems such as working memory function in children with this disorder. The purpose of this study was to collect and combine the results of these studies and calculate their effect size using a meta-analysis research model in order to achieve a more comprehensive view on the difference between the working memory of children with attention deficit hyperactivity disorder with healthy children, as well as the effectiveness of interventions on it. Method: 23 studies (10 comparisons and 13 interventions) that were accepted methodologically were selected and meta-analysis was performed on them. The tool was a meta-analysis checklist. Findings: The meta-analysis findings showed that the effect size of the comparison of working memory in children with attention deficit hyperactivity disorder with normal children was 1.21 (p Conclusion: According to Cohen table, both sizes of the effect obtained in this research are high and this confirms the existence of the difference between the working memory of children with attention deficit hyperactivity disorder and healthy children and also shows the effectiveness of the interventions
Sima Aivazy; Kamran Yazdanbakhsh; Asie Moradi
Abstract
Aim: In children with ADHD, defects inworking memory are also recognized. Regarding the importance of the effectiveness of cognitive rehabilitation on improvement of executive functions in children with ADHD, the aim of this study was to measure the effectiveness of computer cognitive rehabilitation ...
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Aim: In children with ADHD, defects inworking memory are also recognized. Regarding the importance of the effectiveness of cognitive rehabilitation on improvement of executive functions in children with ADHD, the aim of this study was to measure the effectiveness of computer cognitive rehabilitation on improvement of executive function of working memory in children with attention deficit/ hyperactivity disorder. Method: The present study was semi-experimental design with pre-test and post-test with control group. In this study, children aged 7 to 12 years who were diagnosed with (ADHD) by psychological experts of the counseling center of Kermanshah were selected. 20 people were randomly divided into two groups. Both groups were pre-test and post-test before and after the intervention. The experimental group received 12 sessions of the Captain's Log Mind Power Builder 2014 and the control group did not receive treatment. Data collection tools include the Conners-Parent's Questionnaire, the Conners-Teacher Form and An-Back work memory test. Findings: The results of the findings indicated that there was a significant difference between the two experimental and control groups after the cognitive rehabilitation exercises. Conclusion: Therefore, it can be concluded that computer cognitive rehabilitation is effective on improving the performance of working memory in ADHD children
Elham Ghorbanian; marziye alivandi vafa; mahdi farhoudi; mohammad ali nazari
Abstract
Aim: Nowadays stroke is one of the most common disabling neurological diseases in the world. Cognitive complications are common problems in people with stroke. So the aim of this study was to evaluate the effect of computer-based cognitive rehabilitation on working memory function in the patients with ...
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Aim: Nowadays stroke is one of the most common disabling neurological diseases in the world. Cognitive complications are common problems in people with stroke. So the aim of this study was to evaluate the effect of computer-based cognitive rehabilitation on working memory function in the patients with stroke. Method: The present study is a quasi- experimental investigation using a pretest- posttest design and a control group. 30 stroke patients aged 30-65 who had the inclusion criteria, were randomly assigned to experimental and control groups. Experimental group trained for 21 sessions with Captain’s Log Cognitive Rehabilitation Software and control group did not receive any intervention. Wechsler working Memory Test (Number Memory Scale) and Cambridge Spatial Working Memory Test was applied at pretest and posttest. Findings: The results of ANCOVA analysis indicated that a significant difference between the means of working memory in experimental and control groups. Conclusion: Our findings indicated that computer-based cognitive rehabilitation improved working memory in people with stroke and it can be used as an effective and helpful method to improve memory performance of these patients.
mohammad oraki; sepideh shahmoradi
Abstract
Introduction: The purpose of this study was to investigate the effect of brain stimulation on the skull using direct tDCS electric current on working memory and severity of depression symptoms.Method:The present study is a semi-experimental, pretest-post test with control group. In this study, Tdcs brain ...
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Introduction: The purpose of this study was to investigate the effect of brain stimulation on the skull using direct tDCS electric current on working memory and severity of depression symptoms.Method:The present study is a semi-experimental, pretest-post test with control group. In this study, Tdcs brain electrical stimulation therapy was performed on the experimental group and compared to the control group that did not receive any treatment. Each experimental group consisted of 16 experimental groups and 16 control group who were matched according to age, sex, and education and were randomly assigned to the groups.Brain electrical stimulation was performed for 10 sessions and each session was performed for 20 minutes in the experimental group and repeated repeatedly after 4 weeks. At the end of the post-test, both groups were tested and tested. Findings: Analysis of data obtained by using covariance analysis showed that there is a significant difference between two groups in working memory and depression (P Conclusion:According to the results, it seems that brain stimulation It can improve working memory and severity of depression symptoms. It can be used as an effective treatment.
yousef dehghani; nozhatozaman moradi
Abstract
Introduction: This study was aimed to examine effectiveness of working memory training on inhibition and reading performance of students with dyslexia. Method: This study was semi-experimental pre-test, post-test, and follow-up with control and experimental group. The statistical population consisted ...
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Introduction: This study was aimed to examine effectiveness of working memory training on inhibition and reading performance of students with dyslexia. Method: This study was semi-experimental pre-test, post-test, and follow-up with control and experimental group. The statistical population consisted of 372 third- to fifth-grade male primary students with all kinds of learning disabilities who had been referred by the schools to the Center for Learning Disabilities of Bushehr province’s Department of Education. Of these, using convenience sampling and considering the requirements of the research project, 75 students were short-listed in the first stage, and of these, 40 students were selected and assigned to an experimental group and a control group. The measurement tools consisted of Dyslexia Symptom Checklist, the Clinical Interview, Wechsler Intelligence Scale of Children-Revised, Reading and dyslexia test and Stroop test. The experimental group experienced the working memory training group therapy in 18 sessions of 45 minutes twice a week and the control group did not receive any treatment. For statistical data analysis, variance analysis with repeated measures is used. Results: Findings showed that working memory training has a significant effect on inhibition (pConclusion: Finally, we may conclude that working memory training, as an effective and functional intervention, could be used to improve inhibition and reading performance of students with dyslexia.
Azam Fattahi Andebil; Hayedeh Saberi; asghar kazemi kavaki
Abstract
Introduction: The present study has been done with aim to investigate the effectiveness ofCognitive behavioral group Play therapy(CBPT)and transcranial direct current stimulation(tDCS)On executive function of working memory and response inhibition of children with (ADHD).Methods:In this quasi-experimental ...
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Introduction: The present study has been done with aim to investigate the effectiveness ofCognitive behavioral group Play therapy(CBPT)and transcranial direct current stimulation(tDCS)On executive function of working memory and response inhibition of children with (ADHD).Methods:In this quasi-experimental study with pre-test and post-test and control group,49 boys ADHD 6 to 11 years old were selected by Convenience Sampling method and from two schools in Islamshahr.In the following,By doing Stanford Intelligence Test and Conner’s Parent,13 people were excluded due to absence of entry criteria.The remaining 36 boys were randomly assigned into groups of intervention and control (each group included 12 subjects).Then, tests of N-Back for measures working memory and Go-No-Go was used for measures response inhibition Before and after interventions.Interventions included CBPT 8 sessions of 60 minutes and tDCS included 10 sessions of 10 minutes with intensity of 1 mA .Data were analyzed by Software SPSS version 23.Findings: After the removal of the effect of pre-test was determined that there was no significant difference between the intervention and control groups in the working memory scores(in the number of correct responses and action speed).Also,CBPT had no significant difference in any of the response inhibition scores compared to the control group, However,tDCS had a significant difference with the control group in the scores of action accuracy and action speed was.Conclusion:the CBPT method is not effective in improving active memory and inhibition of response,and tDCS method is only effective in improving response inhibition.children with ADHD disorders using tDCS can be more control their impulsivity.
Zahra Kholusi; Hassan Ashayeri; sima Ghodrati
Abstract
Introduction: The purpose of this research was to study the effect of Rhythmic melodic stimuli and playing on the performance of spatial neurons and the working memory of children aged 4-7 years.Methods: Materials and Methods: This research was a semi-experimental study with pre-post and post-prognosis ...
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Introduction: The purpose of this research was to study the effect of Rhythmic melodic stimuli and playing on the performance of spatial neurons and the working memory of children aged 4-7 years.Methods: Materials and Methods: This research was a semi-experimental study with pre-post and post-prognosis in two educational groups. The survey population included all children aged 4-7 years old in Tehran's 8th district. The sampling method was available in this study and the sample size was 20 people, 10 of them in the music group and 10 in the game group with random sampling. Data collection was based on the Conner's parent and teacher questionnaire, working memory Wechsler 4, and brain recording from frontal region in three modes (1. rest eye open,2. Kohs Block test,3. Imitation of the game) Analysis and analysis of data obtained using SPSS version 24 and two descriptive and inferential sections using the Klomof-Samsinom assay for normal distribution of scores Multivariate analysis of MANOVA was performed. Findings: The results of this study showed that learning music and playing, in reducing the symptoms of hyperactive children and the performance of 4-7 years old neurons is 1/92% and 5.68% effective. Conclusion: Learning games with rules and music are effective tools in improving the performance and reducing the symptoms mirror neurons in 4-7 years old hyperactive children.
