Subtypes of aggression in children with attention deficit hyperactivity disorder: medication effects and comparison

Sara King1, Daniel A Waschbusch, William E Pelham

  • 1Department of Pediatrics, Dalhousie University and IWK Health Centre, Halifax, Nova Scotia, Canada. sara.king@dal.ca

Insights

Stimulant medication may reduce aggressive behaviors in children with attention deficit hyperactivity disorder (ADHD). Children with ADHD on placebo showed more reactive and proactive aggression than controls.

Area of Science:

  • Child Psychology
  • Neurodevelopmental Disorders
  • Behavioral Science

Background:

  • Aggressive behavior is a significant concern in children.
  • Attention deficit hyperactivity disorder (ADHD) is associated with behavioral challenges.
  • Understanding the impact of medication on aggression in ADHD is crucial.

Purpose of the Study:

  • To investigate the effects of stimulant medication on different types of aggressive behavior in children with ADHD.
  • To compare aggression levels in children with ADHD on medication versus placebo, and with typically developing controls.

Main Methods:

  • A laboratory provocation task was used to measure hostile, instrumental, reactive, and proactive aggression.
  • Participants included children with ADHD on stimulant medication, children with ADHD on placebo, and a control group.
  • Aggression was assessed following varying levels of provocation.

Main Results:

  • Children with ADHD on placebo displayed higher proactive and reactive aggression after provocation compared to controls.
  • Instrumental aggression decreased in controls, and hostile aggression decreased in the ADHD-placebo group.
  • Both instrumental and hostile aggression significantly reduced in children with ADHD receiving stimulant medication.

Conclusions:

  • Stimulant medication appears to effectively reduce both instrumental and hostile aggressive behaviors in children with ADHD.
  • Children with ADHD, particularly when untreated (placebo), exhibit heightened reactive and proactive aggression.
  • Further research can explore long-term effects and mechanisms of medication on aggression in ADHD.

Related Concept Videos

Bullying02:04

Bullying

A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is bullying.
Antipsychotic Drugs: Typical and Atypical Agents01:21

Antipsychotic Drugs: Typical and Atypical Agents

Antipsychotic drugs are classified into first-generation (typical) drugs including phenothiazines; and second-generation (atypical) drugs. Chlorpromazine hydrochloride (Thorazine), a phenothiazine derivative, broadly impacts the central, autonomic, and endocrine systems. This drug, along with typical agents like haloperidol (Haldol), primarily works by antagonizing D2 receptors, thus reducing dopaminergic neurotransmission. However, typical antipsychotics can cause side effects such as sedation...
Autism Spectrum Disorder01:19

Autism Spectrum Disorder

Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
Conduct Disorder01:28

Conduct Disorder

Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...