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Titolo:
The influence of olfaction on potentiation and inhibition of ultrasonic vocalization of rat pups
Autore:
Shair, HN; Masmela, JR; Hofer, MA;
Indirizzi:
Columbia Univ Coll Phys & Surg, Dept Psychiat, New York, NY 10032 USA Columbia Univ Coll Phys & Surg New York NY USA 10032 w York, NY 10032 USA New32ork State Psychiat Inst, Div Dev Psychobiol, Unit 40, New York, NY 100 New York State Psychiat Inst New York NY USA 10032 t 40, New York, NY 100
Titolo Testata:
PHYSIOLOGY & BEHAVIOR
fascicolo: 4-5, volume: 65, anno: 1999,
pagine: 769 - 772
SICI:
0031-9384(19990115)65:4-5<769:TIOOOP>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAT PUPS; BEHAVIORAL-INHIBITION; PREWEANLING RATS; RESPONSES; CUES; COMPANION; DISTRESS; EXPOSURE; COMFORT;
Keywords:
ultrasonic vocalization; isolation; fear; development; potentiation; behavioral inhibition; anosmia; zinc sulphate;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Shair, HN Columbia Univ Coll Phys & Surg, Dept Psychiat, 722 W 168th St, New York, NY Columbia Univ Coll Phys & Surg 722 W 168th St New York NY USA 10032
Citazione:
H.N. Shair et al., "The influence of olfaction on potentiation and inhibition of ultrasonic vocalization of rat pups", PHYSL BEHAV, 65(4-5), 1999, pp. 769-772

Abstract

Twelve-day-old isolated rat pups reduce their rates of ultrasonic vocalization (USV) when an anesthetized adult is placed into the test cage, whetherthe adult is their dam or an unfamiliar male. USV rates remain very low even after removal of the male (inhibition). However, after removal of the dam, pups greatly increase their rates of USV over their first isolation period (potentiation). USV potentiation can be induced by either an awake, normally behaving dam or by one that is anesthetized. To test the role of olfaction in inhibition and potentiation, PND12 pups were rendered anosmic via intranasal infusion of 5% zinc sulphate (ZnSO4). Control pups were infused with normal saline. After overnight separation from the dam, the USV and other behaviors of pups were recorded during a 6-min test. Each pup was testedduring an initial isolation period and a final isolation period. In the first experiment, an anesthetized adult (dam or unfamiliar male) or Ilo companion was placed in contact with the pup during the middle minute. Anosmia prevented both potentiation and inhibition of USV by passive adult contact. Thus, it seems likely that pups use olfactory discrimination as the basis for these two highly differentiated vocal responses to social stimuli. Results from two additional experiments demonstrate that anosmia does not prevent potentiation when the adult dam is active and interacting with the pup oneither postnatal day 12 or 8. (C) 1999 Elsevier Science Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/12/20 alle ore 16:00:47