Behavioral studies of auditory-visual spatial recognition and integration in rats

Experimental Brain Research
Shuzo SakataY Sakurai

Abstract

Rodents are useful animal models in the study of the molecular and cellular mechanisms underlying various neural functions. For studying behavioral properties associated with multisensory functions in rats, we measured the speed and accuracy of target detection by the reaction-time procedure. In the first experiment, we utilized simple two-alternative-choice tasks, in which spatial cues are visual or auditory modalities, and conducted a cross-modal transfer test in order to determine whether rats recognize amodal spatial information. Rats showed successful performance in the cross-modal transfer test and the speed to respond to sensory stimuli was constant under a rule-consistent condition despite the change in cue modality. In the second experiment, we developed audiovisual two-alternative-choice tasks, in which both auditory and visual stimuli were simultaneously presented but one of the two modalities was task-relevant, in order to determine whether the response to the sensory stimulation of one modality is enhanced by the stimulation of a different modality. If bimodal stimuli were spatially coincident, the speed for detecting the relevant stimulus was shortened and the extent of the effect was comparable to those in past s...Continue Reading

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Citations

Oct 3, 2012·PloS One·Stephanie Gleiss, Christoph Kayser
Apr 17, 2009·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Guy GingrasBarry E Stein
Mar 17, 2012·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·David RaposoAnne K Churchland
Sep 20, 2012·Hearing Research·Elena SeleznevaMichael Brosch
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Jan 30, 2015·Frontiers in Behavioral Neuroscience·Justin K SiemannMark T Wallace
Dec 15, 2017·Frontiers in Systems Neuroscience·Peter BremenA J Van Opstal
Mar 13, 2019·PloS One·Gabriella EördeghAttila Nagy
Sep 2, 2020·Autism Research : Official Journal of the International Society for Autism Research·Justin K SiemannMark T Wallace
Mar 23, 2017·Translational Psychiatry·J K SiemannM T Wallace
Jun 21, 2018·Scientific Reports·Yuma OsakoJunya Hirokawa
Mar 20, 2018·Frontiers in Aging Neuroscience·Julia U HenschkeEike Budinger
Feb 3, 2009·The Journal of Experimental Biology·Anna BalkeniusBill Hansson

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