About: Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals

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About: Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.biomed.cas.cz/physiolres/pdf/60/60_573.pdf
Description	Interaural time differences, the differences of arrival time of the sound at the two ears, provide a major cue for low-frequency sound localization in the horizontal plane. This is done in the medial superior olive using a stochastic spike timing. The inputs to the circuit are stochastic spike trains with a spike timing distribution described by a beta density. The outputs of the circuit reproduce the empirical firing rates found in experiment in response to the varying ITD. The outputs of the computational model are calculated numerically and these numerical simulations are also supported by analytical calculations. We formulate a simple hypothesis concerning how sound localization works in mammals. In conclusion, there is no array of delay lines as in the Jeffress's model, but instead the inhibitory input is shifted in time as a whole. This is consistent with experimental observations in mammals. Interaural time differences, the differences of arrival time of the sound at the two ears, provide a major cue for low-frequency sound localization in the horizontal plane. This is done in the medial superior olive using a stochastic spike timing. The inputs to the circuit are stochastic spike trains with a spike timing distribution described by a beta density. The outputs of the circuit reproduce the empirical firing rates found in experiment in response to the varying ITD. The outputs of the computational model are calculated numerically and these numerical simulations are also supported by analytical calculations. We formulate a simple hypothesis concerning how sound localization works in mammals. In conclusion, there is no array of delay lines as in the Jeffress's model, but instead the inhibitory input is shifted in time as a whole. This is consistent with experimental observations in mammals. (en)
Title	Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals (en)
skos:prefLabel	Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals Stochastic Model Explains Role of Excitation and Inhibition in Binaural Sound Localization in Mammals (en)
skos:notation	RIV/68407700:21460/11:00186122!RIV12-MSM-21460___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021620806), Z(MSM6840770012)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Maršálek, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta biomedicínského inženýrství
http://linked.open...dnocenehoVysledku	232420
http://linked.open...ai/riv/idVysledku	RIV/68407700:21460/11:00186122
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coincidence detection; directional hearing; interaural time delay; medial superior olive; stochastic neuronal model (en)
http://linked.open.../riv/klicoveSlovo	coincidence detection directional hearing interaural time delay medial superior olive stochastic neuronal model
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[6A9CEC8B9C95]
http://linked.open...i/riv/nazevZdroje	Physiological Research
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Maršálek, Petr Drápal, M.
http://linked.open...ain/vavai/riv/wos	000293138600018
http://linked.open...n/vavai/riv/zamer	Molekulární biologie a patologie buňky za normy a u vybraných klinicky závažných patologických procesů Transdisciplinární výzkum v oblasti biomedicínského inženýrství II
issn	0862-8408
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	21460

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