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Titolo:
Tonotopic mapping of c-fos expression in the dorsal cochlear nucleus of the hamster
Autore:
Bahu, SJ; Kaltenbach, JA; Zhang, JS; Khariwala, SS; Afman, CE; Hnatiuk, M;
Indirizzi:
Wayne State Univ, Dept Otolaryngol, Detroit, MI 48201 USA Wayne State Univ Detroit MI USA 48201 Otolaryngol, Detroit, MI 48201 USA Henry Ford Hosp, Dept Otolaryngol, Detroit, MI 48202 USA Henry Ford Hosp Detroit MI USA 48202 t Otolaryngol, Detroit, MI 48202 USA Univ Penn, Sch Med, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 , Sch Med, Philadelphia, PA 19104 USA
Titolo Testata:
NEUROSCIENCE RESEARCH COMMUNICATIONS
fascicolo: 2, volume: 29, anno: 2001,
pagine: 107 - 117
SICI:
0893-6609(200109/10)29:2<107:TMOCEI>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPONTANEOUS NEURAL ACTIVITY; INTENSE SOUND EXPOSURE; INFERIOR COLLICULUS; AUDITORY PATHWAY; BRAIN-STEM; RAT; TINNITUS; IMMUNOREACTIVITY; STIMULATION; NEURONS;
Keywords:
DCN; c-fos; tonotopic; hamster;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Bahu, SJ Wayne State Univ, Dept Otolaryngol, 5E-UHC, Detroit, MI 48201 USAWayne State Univ 5E-UHC Detroit MI USA 48201 etroit, MI 48201 USA
Citazione:
S.J. Bahu et al., "Tonotopic mapping of c-fos expression in the dorsal cochlear nucleus of the hamster", NEUROSC R C, 29(2), 2001, pp. 107-117

Abstract

We used the hamster as a model for identifying frequency specific loci in the dorsal cochlear nucleus (DCN) using c-fos immunocytochemistry. Animals were divided into three groups. The animals in the first group were stimulated with tone bursts at a frequency of 5kHz, those in the second group at 10kHz, and those in the third at 17kHz The bursts were 50 msecs in duration and were presented for I hour at 67 dB; SPL (4/sec), Brain tissue was obtained and procedures for c-fos assay were performed. Following stimulation distinct clusters of immunolabeled nuclei were found within the DCN. Cluster locations varied as a function of frequency. For the 5 kHz stimulus group, clusters were found at a mean position of 33% of the distance from the lateral to the medial extremities of the DCN. For exposures of 10 kHz, the bands were positioned approximately 50% of this distance, and for 17 kHz at approximately 67% of the lateral to medial distance. These results are consistent with the pattern of tonotopic organization which has been demonstrated in the DCN using electrophysiological procedures.

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Documento generato il 22/01/20 alle ore 21:43:04