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  Integration of touch and sound in auditory cortex

Kayser, C., Petkov, C., Augath, M., & Logothetis, N. (2005). Integration of touch and sound in auditory cortex. Neuron, 48(2), 373-384. doi:10.1016/j.neuron.2005.09.018.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D3F7-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-D77D-E
Genre: Journal Article

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Kayser, C1, 2, 3, Author              
Petkov, CI2, 3, Author              
Augath, M2, 3, Author              
Logothetis, NK2, 3, Author              
Affiliations:
1Research Group Physiology of Sensory Integration, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497808              
2Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
3Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: To form a coherent percept of the environment, our brain combines information from different senses. Such multisensory integration occurs in higher association cortices; but supposedly it also occurs in early sensory areas. Confirming the latter hypothesis, we unequivocally demonstrate supra-additive integration of touch and sound stimulation at the second stage of the auditory cortex. Using high-resolution fMRI of the macaque monkey, we quantified the integration of auditory broad-band noise and tactile stimulation of hand and foot in anaesthetized animals. Integration was found posterior to and along the lateral side of the primary auditory cortex in the caudal auditory belt. Integration was stronger for temporally coincident stimuli and obeyed the principle of inverse effectiveness: greater enhancement for less effective stimuli. These findings demonstrates that multisensory integration occurs early and close to primary sensory areas, and amp;amp;amp;amp;8211; as it occurs in anaesthet ized ani mals //! --MFG_und--//amp;8211; suggests that this integration is mediated by pre-attentive bottom-up mechanisms.

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 Dates: 2005-10
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1016/j.neuron.2005.09.018
BibTex Citekey: 3533
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Title: Neuron
Source Genre: Journal
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Publ. Info: Cambridge, Mass. : Cell Press
Pages: - Volume / Issue: 48 (2) Sequence Number: - Start / End Page: 373 - 384 Identifier: ISSN: 0896-6273
CoNE: https://pure.mpg.de/cone/journals/resource/954925560565