Neural correlates of reactive aggression in children with attention-deficit/hyperactivity disorder and comorbid disruptive behaviour disorders
Objective Attention deficit hyperactivity disorder (ADHD) is often linked with impulsive and aggressive behaviour, indexed by high comorbidity rates between ADHD and disruptive behaviour disorders (DBD). The present study aimed to investigate underlying neural activity of reactive aggression in chil...
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Published in | Acta psychiatrica Scandinavica Vol. 133; no. 4; pp. 310 - 323 |
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Main Authors | , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
United States
Blackwell Publishing Ltd
01.04.2016
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Subjects | |
Online Access | Get full text |
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Summary: | Objective
Attention deficit hyperactivity disorder (ADHD) is often linked with impulsive and aggressive behaviour, indexed by high comorbidity rates between ADHD and disruptive behaviour disorders (DBD). The present study aimed to investigate underlying neural activity of reactive aggression in children with ADHD and comorbid DBD using functional neuroimaging techniques (fMRI).
Method
Eighteen boys with ADHD (age 9–14 years, 10 subjects with comorbid DBD) and 18 healthy controls were administered a modified fMRI‐based version of the ‘Point Subtraction Aggression Game’ to elicit reactive aggressive behaviour. Trials consisted of an ‘aggression phase’ (punishment for a fictitious opponent) and an ‘outcome phase’ (presentation of the trial outcome).
Results
During the aggression phase, higher aggressive responses of control children were accompanied by higher activation of the ventral anterior cingulate cortex and the temporoparietal junction. Patients displayed inverted results. During the outcome phase, comparison between groups and conditions showed differential activation in the dorsal striatum and bilateral insular when subjects gained points. Losing points was accompanied by differential activation of regions belonging to the insula and the middle temporal sulcus.
Conclusion
Data support the hypothesis that deficient inhibitory control mechanisms are related to increased impulsive aggressive behaviour in young people with ADHD and comorbid DBD. |
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Bibliography: | istex:224C1569F992A0E19878F8D549AF650BA2984531 ArticleID:ACPS12475 Excellence Initiative of the German Federal and State Governments ark:/67375/WNG-G8B30PNM-6 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0001-690X 1600-0447 |
DOI: | 10.1111/acps.12475 |