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Statements

Subject Item
n2:RIV%2F68407700%3A21460%2F11%3A00186122%21RIV12-MSM-21460___
rdf:type
n4:Vysledek skos:Concept
rdfs:seeAlso
http://www.biomed.cas.cz/physiolres/pdf/60/60_573.pdf
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21460/11:00186122!RIV12-MSM-21460___
n4:predkladatel
n16:orjk%3A21460
n5:aktivita
n18:Z
n5:aktivity
Z(MSM0021620806), Z(MSM6840770012)
n5:cisloPeriodika
3
n5:dodaniDat
n10:2012
n5:domaciTvurceVysledku
n9:1152548
n5:druhVysledku
n20:J
n5:duvernostUdaju
n13:S
n5:entitaPredkladatele
n12:predkladatel
n5:idSjednocenehoVysledku
232420
n5:idVysledku
RIV/68407700:21460/11:00186122
n5:jazykVysledku
n6:eng
n5:klicovaSlova
coincidence detection; directional hearing; interaural time delay; medial superior olive; stochastic neuronal model
n5:klicoveSlovo
n8:stochastic%20neuronal%20model n8:coincidence%20detection n8:medial%20superior%20olive n8:interaural%20time%20delay n8:directional%20hearing
n5:kodStatuVydavatele
CZ - Česká republika
n5:kontrolniKodProRIV
[6A9CEC8B9C95]
n5:nazevZdroje
Physiological Research
n5:obor
n17:JD
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
2
n5:rokUplatneniVysledku
n10:2011
n5:svazekPeriodika
60
n5:tvurceVysledku
Maršálek, Petr Drápal, M.
n5:wos
000293138600018
n5:zamer
n19:MSM0021620806 n19:MSM6840770012
s:issn
0862-8408
s:numberOfPages
11
n14:organizacniJednotka
21460