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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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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.
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Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
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Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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Related Experiment Video

Updated: Oct 17, 2025

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
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Exploring sensory phenotypes in autism spectrum disorder.

Nichole E Scheerer1, Kristina Curcin2, Bobby Stojanoski3,4

  • 1Brain and Mind Institute, Western University, 1151 Richmond St, London, ON, N6A 3K7, Canada. nikkischeerer@gmail.com.

Molecular Autism
|October 13, 2021
PubMed
Summary

Autistic individuals exhibit diverse sensory processing differences that can be grouped into five distinct phenotypes. These sensory phenotypes are linked to specific behavioral and cognitive traits, aiding in targeted interventions.

Keywords:
ADHD traitsAdaptive behaviourAutism spectrum disorderCluster analysisOCD traitsRestrictive and repetitive behavioursSensory phenotypesSensory processingSocial communication

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Behavioral Science

Background:

  • Autism is characterized by atypical sensory processing, showing significant variability across individuals and modalities.
  • These sensory differences can lead to challenging behaviors and impact motor, social, and cognitive functions.
  • Preliminary evidence suggests sensory differences may cluster, forming distinct sensory phenotypes in autistic individuals.

Purpose of the Study:

  • To investigate the clustering of sensory differences in autistic individuals.
  • To identify distinct sensory phenotypes within the autistic population.
  • To examine the association between these sensory phenotypes and cognitive/social challenges.

Main Methods:

  • A K-means cluster analysis was performed on short sensory profile data from 599 autistic children and adults (ages 1-21).
  • Analysis of variance compared age, adaptive behavior, and traits of autism, ADHD, and OCD across identified clusters.

Main Results:

  • Five distinct sensory phenotypes were identified: sensory adaptive, generalized sensory differences, taste/smell sensitivity, under-responsive/sensation seeking, and movement difficulties with low energy.
  • Significant differences in age, adaptive behavior, and traits associated with autism, ADHD, and OCD were observed across the five phenotypes.

Conclusions:

  • Sensory difficulties in autistic individuals can be categorized into distinct phenotypes.
  • These phenotypes correlate with specific behavioral differences, offering a way to understand heterogeneity in sensory processing.
  • Identifying these sensory phenotypes may facilitate the development of tailored treatments and interventions for autistic individuals.