Responses of auditory neurons in the forebrain of a songbird to stimulation with species specific sounds

H. J. Leppelsack, M. Vogt

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

43 Zitate (Scopus)

Abstract

Auditory stimuli consisting of tape recorded natural sounds were used in a study of 129 neurons in Field L of the caudal neostriatum in the forebrain of curarized starlings (Sturnus vulgaris). An extensive program of stimuli comprising many different signals (109 sound elements) was devised in order to permit identification of even very highly specialized neurons. As a rule, the time courses of the neuronal responses parallel those of certain parameters or parameter combinations of the sound stimuli. The responses of a few very specialized neurons, however, did not reflect any distinguishable temporal substructure within the effective sounds. 64 neurons were examined with respect to the number of stimuli, out of a sample of 80 sound elements, eliciting a response. 24 of these neurons responded to less than 10 of the 80 natural sounds. These include neurons responding only to a single sound or to sounds of a single type. 30 of the 64 neurons responded most strongly, or exclusively, to sounds of a single type. The criterion determining whether a neuron responds to a given sound may be a single parameter, a combination of parameters, or the entire complex of parameters describing the sound.

OriginalspracheEnglisch
Seiten (von - bis)263-274
Seitenumfang12
FachzeitschriftJournal of Comparative Physiology A
Jahrgang107
Ausgabenummer3
DOIs
PublikationsstatusVeröffentlicht - 1976
Extern publiziertJa

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