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Titolo:
DELAY-LINE MODELS OF SOUND LOCALIZATION IN THE BARN OWL
Autore:
CARR CE;
Indirizzi:
UNIV MARYLAND,DEPT ZOOL COLL PK MD 20742
Titolo Testata:
American zoologist
fascicolo: 1, volume: 33, anno: 1993,
pagine: 79 - 85
SICI:
0003-1569(1993)33:1<79:DMOSLI>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
BRAIN-STEM; DIFFERENCE; NEURONS; FIBERS; SYSTEM; PHASE; CUES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
C.E. Carr, "DELAY-LINE MODELS OF SOUND LOCALIZATION IN THE BARN OWL", American zoologist, 33(1), 1993, pp. 79-85

Abstract

The detection of interaural time differences underlies azimuthal sound localization in the barn owl. Sensitivity to these time differences arises in the brainstem nucleus laminaris. Auditory information reaches the nucleus laminaris via bilateral projections from the cochlear nucleus magnocellularis. The magnocellular inputs to the nucleus laminaris act as delay lines to create maps of interaural time differences. These delay lines are tapped by postsynaptic coincidence detectors thatencode interaural time differences. The entire circuit, from the auditory nerve to the nucleus magnocellularis to the nucleus laminaris, isspecialized for the encoding and preservation of temporal information. A mathematical model of this circuit (Grun et al., 1990) provides useful predictions.

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Documento generato il 23/09/20 alle ore 23:41:40