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Sensory processing in autism spectrum disorders and Fragile X syndrome-From the clinic to animal models

Citation

Sinclair, D and Oranje, B and Razak, KA and Siegel, SJ and Schmid, S, Sensory processing in autism spectrum disorders and Fragile X syndrome-From the clinic to animal models, Neuroscience and biobehavioral reviews, 76, (Pt B) pp. 235-253. ISSN 0149-7634 (2017) [Refereed Article]


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DOI: doi:10.1016/j.neubiorev.2016.05.029

Abstract

Brains are constantly flooded with sensory information that needs to be filtered at the pre-attentional level and integrated into endogenous activity in order to allow for detection of salient information and an appropriate behavioral response. People with Autism Spectrum Disorder (ASD) or Fragile X Syndrome (FXS) are often over- or under-reactive to stimulation, leading to a wide range of behavioral symptoms. This altered sensitivity may be caused by disrupted sensory processing, signal integration and/or gating, and is often being neglected. Here, we review translational experimental approaches that are used to investigate sensory processing in humans with ASD and FXS, and in relevant rodent models. This includes electroencephalographic measurement of event related potentials, neural oscillations and mismatch negativity, as well as habituation and pre-pulse inhibition of startle. We outline robust evidence of disrupted sensory processing in individuals with ASD and FXS, and in respective animal models, focusing on the auditory sensory domain. Animal models provide an excellent opportunity to examine common mechanisms of sensory pathophysiology in order to develop therapeutics.

Item Details

Item Type:Refereed Article
Keywords:autism, fragile x syndrome, sensory processing
Research Division:Medical and Health Sciences
Research Group:Neurosciences
Research Field:Cellular Nervous System
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Nervous System and Disorders
ID Code:130624
Year Published:2017
Web of Science® Times Cited:23
Deposited By:Wicking Dementia Research and Education Centre
Deposited On:2019-02-06
Last Modified:2019-02-08
Downloads:0

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