An Emergent Model of Multisensory Integration in Superior Colliculus Neurons
Identifieur interne : 001E19 ( Pmc/Corpus ); précédent : 001E18; suivant : 001E20An Emergent Model of Multisensory Integration in Superior Colliculus Neurons
Auteurs : Cristiano Cuppini ; Mauro Ursino ; Elisa Magosso ; Benjamin A. Rowland ; Barry E. SteinSource :
- Frontiers in Integrative Neuroscience [ 1662-5145 ] ; 2010.
Abstract
Neurons in the cat superior colliculus (SC) integrate information from different senses to enhance their responses to cross-modal stimuli. These multisensory SC neurons receive multiple converging unisensory inputs from many sources; those received from association cortex are critical for the manifestation of multisensory integration. The mechanisms underlying this characteristic property of SC neurons are not completely understood, but can be clarified with the use of mathematical models and computer simulations. Thus the objective of the current effort was to present a plausible model that can explain the main physiological features of multisensory integration based on the current neurological literature regarding the influences received by SC from cortical and subcortical sources. The model assumes the presence of competitive mechanisms between inputs, nonlinearities in NMDA receptor responses, and provides
Url:
DOI: 10.3389/fnint.2010.00006
PubMed: 20431725
PubMed Central: 2861478
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