Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
SOUND LOCALIZATION IN CHINCHILLAS-III - EFFECT OF PINNA REMOVAL
Autore:
HEFFNER RS; KOAY G; HEFFNER HE;
Indirizzi:
UNIV TOLEDO,DEPT PSYCHOL TOLEDO OH 43606
Titolo Testata:
Hearing research
fascicolo: 1-2, volume: 99, anno: 1996,
pagine: 13 - 21
SICI:
0378-5955(1996)99:1-2<13:SLIC-E>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPECTRAL CUES; EXTERNAL EAR; PRESSURE TRANSFORMATION; AUDITORY PERIPHERY; CATS PINNA; PLANE; FERRET; FREQUENCY; LEVEL; SPACE;
Keywords:
BINAURAL; MONAURAL; SPECTRUM; LATERAL FIELD; ELEVATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
R.S. Heffner et al., "SOUND LOCALIZATION IN CHINCHILLAS-III - EFFECT OF PINNA REMOVAL", Hearing research, 99(1-2), 1996, pp. 13-21

Abstract

The ability of chinchillas to make left/right, front/back, and vertical locus discriminations was determined before and after surgical removal of the pinnae. The animals were tested behaviorally using a conditioned avoidance procedure. In the left/right localization tests, removal of both pinnae had no effect on localization acuity for broadband noise but did result in a small decrement in performance when localizing low-pass filtered noise. In the front/back localization tests, removal of a single pinna resulted in a small but consistent decrement in performance when the sound sources were located in the hemifield on thesame side as the intact pinna, and a greater decrement when the soundsources were located in the hemifield on the side of the missing pinna; removal of both pinnae resulted in the largest decrement in performance. Finally, vertical localization acuity and performance when localizing low-pass filtered noise were greatly impaired following removal of both pinnae. These results demonstrate the importance of the pinnaein performing front/back and vertical localization tasks in which binaural cues are not available.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/12/20 alle ore 22:27:33