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Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
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Multisensory decisions from self to world.

Adam Zaidel1, Roy Salomon1,2

  • 1Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan 5290002, Israel.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|August 7, 2023
PubMed
Summary
This summary is machine-generated.

Bayesian models for perception require causal inference to distinguish self-generated from external sensory signals. Understanding multisensory integration is key for both self-awareness and external world perception.

Keywords:
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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Perception

Background:

  • Classic Bayesian models focus on unisensory integration and causal inference.
  • Sensory signals are always integrated within a multisensory bodily context.
  • Interoceptive (body) and exteroceptive (world) signals are interdependent.

Purpose of the Study:

  • Review and discuss multisensory decisions for self-awareness versus external perception.
  • Highlight the necessity of causal inference for sensory signal separation.
  • Argue for integrating multisensory processes across the neural hierarchy.

Main Methods:

  • Review of existing Bayesian models of perceptual inference.
  • Discussion of theoretical frameworks for multisensory integration and causal inference.
  • Analysis of similarities and distinctions in multisensory decision-making.

Main Results:

  • Causal inference is fundamental for separating internal from external sensory signals.
  • Multisensory processing is required to resolve sensory signal ambiguity.
  • Heterogeneous multisensory processes occur throughout the neural hierarchy.

Conclusions:

  • Multisensory processes are crucial for both self-perception and external world perception.
  • A comprehensive understanding requires integrating multisensory processes across all neural levels.
  • Further theoretical and experimental integration is needed for a complete picture of multisensory brain function.