Question:
A child cannot sit still, is constantly moving, and shows very restrictive and stereotypical play. What is the most likely diagnosis?
A child cannot sit still, is constantly moving, and shows very restrictive and stereotypical play. What is the most likely diagnosis?
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Differentiating Autism from ADHD:
- Pure ADHD: Hyperactivity + Inattention + Impulsive (Play is varied, non-stereotypical, imaginative play is preserved).
- Autism (ASD): Stereotypical/repetitive behaviors + Rigid adherence to routines + Impaired social reciprocity + Hyperactivity/movement.
- Pure ADHD: Hyperactivity + Inattention + Impulsive (Play is varied, non-stereotypical, imaginative play is preserved).
- Autism (ASD): Stereotypical/repetitive behaviors + Rigid adherence to routines + Impaired social reciprocity + Hyperactivity/movement.
Updated On: Sep 3, 2026
- ADHD
- Autism
- Temper tantrums
- Adjustment disorder
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The Correct Option is B
Solution and Explanation
Concept:
Autism Spectrum Disorder (ASD) is a pervasive neurodevelopmental disorder defined by two core diagnostic domains: persistent deficits in social communication and social interaction, alongside restricted, repetitive patterns of behavior, interests, or activities.
Explanation:
• A pathognomonic hallmark of Autism Spectrum Disorder is the presence of restricted, repetitive patterns of behavior, stereotyped motor movements (e.g., hand flapping, spinning, lining up toys in an inflexible sequence), and highly ritualized or stereotypical play.
• Children with ASD frequently display motor restlessness, hyperactive behavior, and constant movement (such as pacing, jumping, or body rocking), which can superficially mimic ADHD symptoms.
• However, the critical differentiating feature is the presence of restrictive, non-functional, and stereotypical play (e.g., spinning wheels of a toy car obsessively instead of pretending to drive it), which is specific to ASD.
• While children with pure ADHD have difficulty sitting still and exhibit excessive motor activity, their play patterns are typically disorganized, spontaneous, or impulsive, rather than strictly repetitive, ritualistic, or stereotypical.
• Temper tantrums and adjustment disorders are reactive and episodic behavioral responses and do not explain stereotypical play routines or persistent neurodevelopmental hyperactivity.
Final Answer:
The combination of motor restlessness/hyperactivity with restrictive, ritualistic, and stereotypical play patterns is characteristic of Autism Spectrum Disorder.
Autism Spectrum Disorder (ASD) is a pervasive neurodevelopmental disorder defined by two core diagnostic domains: persistent deficits in social communication and social interaction, alongside restricted, repetitive patterns of behavior, interests, or activities.
Explanation:
• A pathognomonic hallmark of Autism Spectrum Disorder is the presence of restricted, repetitive patterns of behavior, stereotyped motor movements (e.g., hand flapping, spinning, lining up toys in an inflexible sequence), and highly ritualized or stereotypical play.
• Children with ASD frequently display motor restlessness, hyperactive behavior, and constant movement (such as pacing, jumping, or body rocking), which can superficially mimic ADHD symptoms.
• However, the critical differentiating feature is the presence of restrictive, non-functional, and stereotypical play (e.g., spinning wheels of a toy car obsessively instead of pretending to drive it), which is specific to ASD.
• While children with pure ADHD have difficulty sitting still and exhibit excessive motor activity, their play patterns are typically disorganized, spontaneous, or impulsive, rather than strictly repetitive, ritualistic, or stereotypical.
• Temper tantrums and adjustment disorders are reactive and episodic behavioral responses and do not explain stereotypical play routines or persistent neurodevelopmental hyperactivity.
Final Answer:
The combination of motor restlessness/hyperactivity with restrictive, ritualistic, and stereotypical play patterns is characteristic of Autism Spectrum Disorder.
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