Auditory modulation of the inferior temporal cortex neurons in rhesus monkey

We performed a systematic study to check whether neurons in the area TE (the anterior part of inferotemporal cortex) in rhesus monkey, regarded as the last stage of the ventral visual pathway, could be modulated by auditory stimuli. Two fixating rhesus monkeys were presented with visual, auditory or...

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Bibliographic Details
Published inPhysiological research Vol. 60 Suppl 1; pp. S93 - S99
Main Authors Kaposvári, P, Csibri, P, Csete, G, Tompa, T, Sáry, Gy
Format Journal Article
LanguageEnglish
Published Czech Republic Institute of Physiology 01.01.2011
Subjects
Acoustic Stimulation
Animals
Auditory Cortex - cytology
Auditory Cortex - physiology
Auditory Pathways - cytology
Auditory Pathways - physiology
Brain
Electrodes
Evoked Potentials, Auditory
Evoked Potentials, Visual
Female
Laboratory animals
Macaca mulatta
Male
Neurons - physiology
Photic Stimulation
Reaction Time
Surgery
Time Factors
Visual Pathways - physiology
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Summary:We performed a systematic study to check whether neurons in the area TE (the anterior part of inferotemporal cortex) in rhesus monkey, regarded as the last stage of the ventral visual pathway, could be modulated by auditory stimuli. Two fixating rhesus monkeys were presented with visual, auditory or combined audiovisual stimuli while neuronal responses were recorded. We have found that the visually sensitive neurons are also modulated by audiovisual stimuli. This modulation is manifested as the change of response rate. Our results have shown also that the visual neurons were responsive to the sole auditory stimuli. Therefore, the concept of inferotemporal cortex unimodality in information processing should be re-evaluated.
ISSN:0862-8408
1802-9973
DOI:10.33549/physiolres.932172