Related Experiment Video
Updated: Jul 3, 2026
09:13
Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
Brain hyper-reactivity to auditory novel targets in children with high-functioning autism
Marie Gomot1, Matthew K Belmonte, Edward T Bullmore
1INSERM U930, Centre de Pédopsychiatrie, CHU Bretonneau, Tours Cedex 9, France. m.gomot@chu-tours.fr
Brain : a Journal of Neurology
|August 2, 2008
Summary
Children with autism spectrum conditions (ASC) show faster responses to novel auditory stimuli. Brain activity in response to novelty is more widespread in ASC and correlates with autistic traits, suggesting a dimensional basis.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cognitive Science
Background:
- Autism Spectrum Conditions (ASC) are characterized by social/communication difficulties and repetitive behaviors.
- Repetitive behaviors, or 'resistance to change,' may stem from atypical processing of novel stimuli.
- Understanding the neural basis of novelty processing is crucial for ASC research.
Purpose of the Study:
- To investigate auditory novelty detection and its neural underpinnings in children with ASC.
- To explore brain activation patterns correlating with autistic traits, testing the dimensional nature of ASC.
Main Methods:
- Event-related functional magnetic resonance imaging (fMRI) was used.
- A novel auditory detection paradigm was administered to children with ASC and typical controls.
- Autism Spectrum Quotient (AQ) scores were used to quantify autistic traits.
Main Results:
- Children with ASC exhibited faster reaction times to novel auditory targets compared to controls.
- Greater activation in right prefrontal-premotor and left inferior parietal regions was observed in the ASC group.
- Prefrontal activation during target detection positively correlated with AQ scores in both groups.
Conclusions:
- Novelty detection in ASC involves enhanced behavioral performance and a broader neural network.
- The observed brain activation patterns show a quantitative relationship with autistic traits, extending into the general population.
- These findings offer insights into the neurophysiology of narrow interests and the 'need for sameness' in ASC.
Related Concept Videos
01:19Autism 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.
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.
01:30Attention-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.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.