scholarly journals Visual statistical learning and integration of perceptual priors are intact in attention deficit hyperactivity disorder

PLoS ONE ◽  
2020 ◽  
Vol 15 (12) ◽  
pp. e0243100
Author(s):  
Katie L. Richards ◽  
Povilas Karvelis ◽  
Stephen M. Lawrie ◽  
Peggy Seriès
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Statistical Learning ◽  
Sensory Processing ◽  
Attention Deficit ◽  
Predictive Processing ◽  
Group Differences ◽  
Control Group ◽  
Low Level ◽  
Visual Statistical Learning ◽  
Hyperactivity Disorder

Background Deficits in visual statistical learning and predictive processing could in principle explain the key characteristics of inattention and distractibility in attention deficit hyperactivity disorder (ADHD). Specifically, from a Bayesian perspective, ADHD may be associated with flatter likelihoods (increased sensory processing noise), and/or difficulties in generating or using predictions. To our knowledge, such hypotheses have never been directly tested. Methods We here test these hypotheses by evaluating whether adults diagnosed with ADHD (n = 17) differed from a control group (n = 30) in implicitly learning and using low-level perceptual priors to guide sensory processing. We used a visual statistical learning task in which participants had to estimate the direction of a cloud of coherently moving dots. Unbeknown to the participants, two of the directions were more frequently presented than the others, creating an implicit bias (prior) towards those directions. This task had previously revealed differences in other neurodevelopmental disorders, such as autistic spectrum disorder and schizophrenia. Results We found that both groups acquired the prior expectation for the most frequent directions and that these expectations substantially influenced task performance. Overall, there were no group differences in how much the priors influenced performance. However, subtle group differences were found in the influence of the prior over time. Conclusion Our findings suggest that the symptoms of inattention and hyperactivity in ADHD do not stem from broad difficulties in developing and/or using low-level perceptual priors.

scholarly journals Visual statistical learning and integration of perceptual priors are intact in Attention Deficit Hyperactivity Disorder

2020 ◽  
Author(s):  
Katie Richards ◽  
Povilas Karvelis ◽  
Stephen Lawrie ◽  
Peggy Series
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Statistical Learning ◽  
Sensory Processing ◽  
Attention Deficit ◽  
Autistic Spectrum Disorder ◽  
Learning Task ◽  
Predictive Processing ◽  
Visual Statistical Learning ◽  
Hyperactivity Disorder ◽  
Over Time

Deficits in statistical learning and predictive processing could in principle explain inattention and distractibility in attention deficit hyperactivity disorder (ADHD). To test this, we evaluated whether adults diagnosed with ADHD (n = 17) differed from controls (n = 30) in implicitly learning and using low-level perceptual priors to guide sensory processing. We used a visual statistical learning task in which participants had to estimate the direction of coherently moving dots. Unbeknown to the participants, two directions were more frequently presented than the others, creating an implicit bias (prior) towards those directions. This task had previously revealed differences in autistic spectrum disorder and schizophrenia. Both groups acquired the prior expectations for the most frequent directions and, except for some subtle differences over time, there were no group difference in how much the priors influenced performance. This suggests that ADHD symptoms do not stem from difficulties in developing and/or using perceptual priors.

Mainstream and Remedial School Attention Deficit Hyperactivity Disorder Boys: More Alike than Different

2005 ◽  
Vol 35 (1) ◽  
pp. 73-88
Author(s):  
J. B. Savitz ◽  
P. Jansen
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Attention Deficit ◽  
Control Group ◽  
Adhd Group ◽  
Hyperactivity Disorder ◽  
Significant Difference ◽  
Executive Deficits ◽  
Mainstream School ◽  
The Difference ◽  
Neuropsychological Tasks

The literature on the neuropsychology of Attention Deficit Hyperactivity Disorder (ADHD) is plagued by inconsistent findings, which are usually attributed to a variety of extraneous variables. One of the most inadequately explored of these variables is the difference between ADHD children attending remedial and mainstream schools. This study aimed to investigate whether the performance of remedial and mainstream school ADHD boys differs on relevant neuropsychological tasks. The sample consisted of three groups of 8- to 12-year-old boys. Two of these groups consisted of children with ADHD: one from remedial schools and one from mainstream schools. The third group was made up of participants without ADHD, who attended mainstream schools. The performance of the remedial school learners on the Stroop, Lurian and cancellation tasks was investigated and compared to a mainstream school ADHD sample. The performance of the ADHD group as a whole was compared with that of a control group. No significant difference in performance was found between the two ADHD groups, except for the length of time taken to read words in the control condition of the Stroop. The control group out-performed the ADHD samples on the Stroop, Lurian and cancellation tasks. The findings suggest that mainstream and remedial ADHD boys do not differ in the severity of their executive deficits, but that boys with ADHD attending remedial schools may be more likely to have another learning disorder than their counterparts at mainstream schools.

A Comparison between Barkley Behavioral Therapy, Minuchin Structural Family Therapy and Neuro-feedback on Anxiety among children suffering from Attention Deficit – Hyperactivity Disorder

2020 ◽  
Vol 59 (10) ◽  
pp. 47-60
Author(s):  
Baqer Mirza Hasanvand ◽  
◽  
Kiyan Gholam Javadi Tarziloo ◽  
Mahbube Mostafa Khiri ◽  
◽  
...  
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Family Therapy ◽  
Attention Deficit ◽  
Attention Deficit Disorder ◽  
Behavioral Therapy ◽  
Statistical Tests ◽  
Control Group ◽  
Structural Family Therapy ◽  
Structural Family ◽  
Hyperactivity Disorder

Background & objective: Due to the consequences of attention deficit - hyperactivity disorder, various therapy approach have been formed. This research aimed to investigate a comparative study between Barkley behavioral therapy, Minuchin structural family therapy and neuro-feedback on anxiety among children suffering from attention deficit – hyperactivity disorder. Methods: This study was a quasi - experimental pretest-posttest with a control group. The study population consisted of all primary school student in Karaj in 2018. By using cluster sampling method, 400 students selected and screening conducted for hyperactivity and anxiety. The sample consisted of 40 (10 for each group) students and their mothers were selected by as an available and randomly recruits to each of groups. Instruments for gathering data were semi-structured diagnostic interview (K-SADS), short diagnostic scale for hyperactivity and attention deficit disorder (Caners, 1999) and multidimensional child anxiety scale (March et al., 1997). Then, the participants in the experimental groups (Three groups) participated in Barkley behavioral therapy (9 sessions of 90 min), Minuchin structural family therapy (8 sessions of 90 min) and neuro-feedback (25 sessions of 30 min), while the control group did not receive any intervention. Then, the data were analyzed using SPSS.v21 software and statistical tests such as MANCOVA and ANCOVA. Data analysig was performed with SPSS.v16 and significant levels of all tests set on 0.05. Results: The results indicate that Barkley behavioral therapy, Minuchin structural family therapy and neuro-feedback have significant impact on anxiety among children suffering from attention deficit – hyperactivity disorder, generally (P < 0.01). Furthermore, post-hoc test revealed that the efficacy of therapies on anxiety of experiment groups is different (P < 0.01). Three months follow-up results represent resistance of therapies (P > 0.01). Conclusion: So, using of these therapies for reduction of anxiety among children suffering from attention deficit – hyperactivity disorder. Key words: Barkley behavioral therapy, Minuchin structural family therapy, neuro-feedback, anxiety, attention deficit – hyperactivity disorder

Efficacy of cognitive-behavioral therapy and deep relaxation for children with attention-deficit hyperactivity disorder

2019 ◽  
pp. 19-26
Author(s):  
Nawel Abdesslem ◽  
Sabeur Hamrouni ◽  
Roy Jesse Shephard ◽  
Mohamed Souhaiel Chelly
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Cognitive Behavioral Therapy ◽  
Attention Deficit ◽  
Behavioral Therapy ◽  
Cognitive Behavioral ◽  
Control Group ◽  
Hyperactivity Disorder ◽  
Before And After ◽  
Physically Based ◽  
One Year

Objective: This study made a preliminary exploration of the efficacy of physically-based cognitive-behavioral therapy and deep relaxation for children with attention-deficit hyperactivity disorder (ADHD). Methods: ADHD behavior and cognitive functions were assessed by test D2 and Conner’s scale before and after a one-year physically-based training program. The reliability of test scores was assessed by repeat testing of a control group (CG) of 10 students who did not have ADHD. Children (10 per group) with ADHD were assigned to physically-based cognitive-behavioral therapy and deep relaxation (E1) or physically-based cognitive-behavioral alone (E2). Results: After 52 weeks of treatment, an intra-group comparison showed that E1 and E2 had improved their scores on the test D2, whereas CG showed no significant change. In addition, most participants with ADHD showed a remarkable improvement in their attentional behavior, with group E1 responding better to treatment than group E2. Conclusions: Physically-based cognitive behavioral therapy appears to improve function and social competence in children with ADHD, and should be recommended as an alternative or supplement to pharmaceutical treatment.

scholarly journals Validação Clínica da Versão Portuguesa do Questionário de Hábitos de Sono das Crianças (CSHQ-PT) em Crianças com Perturbações do Sono e PHDA

2019 ◽  
Vol 32 (3) ◽  
pp. 195
Author(s):  
Ana Filipa Parreira ◽  
António Martins ◽  
Filipa Ribeiro ◽  
Filipe Glória Silva
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Sleep Disturbance ◽  
Sleep Disorders ◽  
Attention Deficit ◽  
Control Group ◽  
Sleep Habits ◽  
Disturbance Index ◽  
Hyperactivity Disorder ◽  
Children’S Sleep Habits Questionnaire ◽  
Children’S Sleep

Introduction: The Portuguese version of the Children’s Sleep Habits Questionnaire showed adequate psychometric properties in a community sample but the American cut-off seemed inadequate. This study aimed to validate this questionnaire in clinical populations of children with sleep disorders and with attention deficit/ hyperactivity disorder.Material and Methods: The study sample included 148 Portuguese children aged 2 to 10 years old that where divided in 3 groups: 1. Clinical group with sleep disorders (behavioral insomnias, parasomnias or sleep-related breathing disorders); 2. Clinical group with attention deficit/ hyperactivity disorder; 3. Control group. The sleep habits and sleep problems were evaluated using the Children’s Sleep Habits Questionnaire. Sleep-related disorders were confirmed by polysomnography.Results: The questionnaire’s internal consistency (Cronbach α) in the clinical sample (sleep disorders and attention deficit/ hyperactivity disorder) was 0.75 and ranged from 0.55 to 0.85 for the subscales. Children with sleep disorders and attention deficit/  hyperactivity disorder had a higher sleep disturbance index (full scale score) compared to the control group. The subscales presented significant differences between the subgroups with different sleep disorders showing discriminative validity. The receiver operating characteristic analysis of the sleep disturbance index comparing the sleep disorder and control sample determined a cut-off of 48 (sensibility 0.83;specificity 0.69).Discussion: Children with sleep disorders and attention deficit/ hyperactivity disorder evidenced higher Sleep Disturbance Index (full scale score) comparing to the control group. The subscales presented significative differences between the subgroups with different sleep disorders showing discriminative validityConclusion: The Portuguese version of the Children’s Sleep Habits Questionnaire showed adequate psychometric properties for children with sleep disorders and/or attention deficit/ hyperactivity disorder. The cut-off value 48 is better adjusted for the Portuguese population.

Impaired and enhanced attentional function in children with attention deficit/hyperactivity disorder

2003 ◽  
Vol 33 (3) ◽  
pp. 481-489 ◽  
Author(s):  
J. KOSCHACK ◽  
H. J. KUNERT ◽  
G. DERICHS ◽  
G. WENIGER ◽  
E. IRLE
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Attention Deficit ◽  
Divided Attention ◽  
Statistical Significance ◽  
Neuropsychological Test ◽  
Control Group ◽  
Consecutive Series ◽  
Hyperactivity Disorder ◽  
Control Subjects ◽  
Attentional Tasks

Background. The symptom domain of inattention in attention deficit/hyperactivity disorder (ADHD) suggests that there are neuropsychological fields of attention in which subjects with ADHD express deficits. However, studies using differentiated neuropsychological attentional tests in ADHD are lacking.Method. A consecutive series of 35 subjects with ADHD aged 9–12 years were assessed on a computer-driven neuropsychological test battery for attentional functions. Their performance was classified according to the data of a normative sample of 187 healthy subjects aged 9–12 years, and compared with the performance of 35 matched healthy control subjects.Results. According to normative data, most ADHD subjects performed on all attentional measures within the normal range. Comparisons with the control group revealed that ADHD subjects reacted faster on all attentional tests, yielding statistical significance for the Go/No go test and the Divided Attention test. They also performed with significantly fewer errors on the Divided Attention test. On the Go/No go test, Visual Scanning test and Attentional Shift test ADHD subjects committed significantly more errors than control subjects.Conclusions. Our results suggest a differential pattern rather than a deficit pattern of attentional functions in ADHD. It is suggested that the more rapid response style of ADHD subjects leads to a more erroneous performance in self-paced attentional tasks and to a better performance in externally paced attentional tasks. However, neuropsychological tests of attention do not contribute to the clinical diagnosis of ADHD.

scholarly journals Attention-deficit/hyperactivity disorder: the impact of methylphenidate on working memory, inhibition capacity and mental flexibility

2017 ◽  
Vol 75 (4) ◽  
pp. 204-208 ◽  
Author(s):  
Cristiana Bolfer ◽  
Sandra Pasquali Pacheco ◽  
Miriam Harumi Tsunemi ◽  
Walter Souza Carreira ◽  
Beatriz Borba Casella ◽  
...  
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Working Memory ◽  
Attention Deficit ◽  
Digit Span ◽  
Control Group ◽  
Hyperactivity Disorder ◽  
Mental Flexibility ◽  
Adhd Children ◽  
Memory Inhibition ◽  
The Impact

ABSTRACT Objective To compare children with attention-deficit/hyperactivity disorder (ADHD), before and after the use of methylphenidate, and a control group, using tests of working memory, inhibition capacity and mental flexibility. Methods Neuropsychological tests were administrated to 53 boys, 9–12 years old: the WISC-III digit span backward, and arithmetic; Stroop Color; and Trail Making Tests. The case group included 23 boys with ADHD, who were combined type, treatment-naive, and with normal intelligence without comorbidities. The control group (n = 30) were age and gender matched. After three months on methylphenidate, the ADHD children were retested. The control group was also retested after three months. Results Before treatment, ADHD children had lower scores than the control group on the tests (p ≤ 0.001) and after methylphenidate had fewer test errors than before (p ≤ 0.001) Conclusion Methylphenidate treatment improves the working memory, inhibitory control and mental flexibility of ADHD boys.

scholarly journals Correlation between sleep disorder screening and executive dysfunction in children with attention deficit-hyperactivity disorder

2013 ◽  
Vol 71 (11) ◽  
pp. 896-901 ◽  
Author(s):  
Elizabeth Zambrano-Sanchez ◽  
Jose A. Martinez-Cortes ◽  
Minerva Dehesa-Moreno ◽  
Yolanda del Rio-Carlos ◽  
Adrian Poblano
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Working Memory ◽  
Attention Deficit ◽  
Executive Dysfunction ◽  
Group Method ◽  
Control Group ◽  
Intelligence Scale ◽  
Children With Adhd ◽  
Hyperactivity Disorder ◽  
Pediatric Sleep Questionnaire

Objective To compare frequency of sleep disorders (SD) and executive dysfunction (ED) in children with attention deficit-hyperactivity disorder (ADHD) and a control group. Method We studied 156 children with ADHD with a mean age of 8.5 years, and a control group with 111 children with a mean age of 8.3 years. We utilized the Pediatric Sleep Questionnaire (PSQ) to screen SD and the working memory measurement from the Wechsler intelligence scale for children (WISC-IV) to screen ED. Results We did not observe an increased frequency of SD in children with ADHD compared with the controls. However, we did identify ED in children with ADHD; additionally a significant correlation was observed between the type of ADHD and SD and among ED, WISC-IV measurements, and type of SD in children with ADHD. Conclusion An increase of SD frequency in children with ADHD was not observed, but we did identify ED in children with ADHD. Additionally, a correlation among ADHD types, SD, ED, and WISC-IV measurements was observed in children with ADHD.

scholarly journals Common Venues in Romantic Relationships of Adults With Symptoms of Autism and Attention Deficit/Hyperactivity Disorder

2021 ◽  
Vol 12 ◽  
Author(s):  
Lorrayne Stephane Soares ◽  
Ana Luiza Costa Alves ◽  
Danielle de Souza Costa ◽  
Leandro Fernandes Malloy-Diniz ◽  
Jonas Jardim de Paula ◽  
...  
Keyword(s):  
Attention Deficit Hyperactivity Disorder ◽  
Romantic Relationships ◽  
Attention Deficit ◽  
Neurodevelopmental Disorders ◽  
Neurodevelopmental Disorder ◽  
Autism Spectrum ◽  
Control Group ◽  
Passionate Love ◽  
Hyperactivity Disorder ◽  
The Mean

Introduction: Autism Spectrum Disorder (ASD) and Attention Deficit/Hyperactivity Disorder (ADHD) figures among the most common neurodevelopmental disorders. Despite having opposite stereotypes, both ADHD and ASD compromise, though in different ways, skills such as social interactions, communication skills, and social thinking, which may underlie difficulties in romantic relationships.Methods: We evaluated 306 adults about their romantic relationships and the intensity of their love. Participants were from one of four groups:, individuals with ASD-only traits, a group with symptoms of ADHD-only, participants with neither ADHD nor ASD symptoms (control) or from a fourth group of individuals with both ADHD and ASD traits.Results: The ASD traits group had fewer married people and more people who have never been married, while the rate of divorce was higher in the ADHD traits group. Regarding the intensity of love, the mean scores of the ADHD and the ADHD+ASD traits groups were higher in the Passionate Love Scale than the mean score of the control group. Passionate love in the ASD group was no different from the other groups. Small positive correlations were found between passionate love and ADHD and ASD behavioral problems.Conclusion: Marital status was distinct depending on symptoms of a neurodevelopmental disorder in adulthood. Also, ADHD and ASD symptoms were associated with greater passionate love. Therefore, ADHD and ASD behavioral dimensions may impact long-term and short-term experiences of a person's relationship with a significant other in distinct ways. Understanding how people with neurodevelopmental disorders experience love might help us to better clarify the mechanisms associated with their relationship patterns.

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