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Titolo:
THE ONTOGENY OF MATERNAL POTENTIATION OF THE INFANT RATS ISOLATION CALL
Autore:
HOFER MA; MASMELA JR; BRUNELLI SA; SHAIR HN;
Indirizzi:
COLUMBIA UNIV COLL PHYS & SURG,NEW YORK STATE PSYCHIAT INST,DEPT DEV PSYCHOBIOL,722 W 168TH ST NEW YORK NY 10032 COLUMBIA UNIV COLL PHYS & SURG,DEPT PSYCHIAT NEW YORK NY 10032
Titolo Testata:
Developmental psychobiology
fascicolo: 3, volume: 33, anno: 1998,
pagine: 189 - 201
SICI:
0012-1630(1998)33:3<189:TOOMPO>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
ULTRASONIC VOCALIZATION; RATTUS-NORVEGICUS; PREWEANLING RATS; 2-WEEK-OLD RATS; NORWAY RATS; PUPS; RESPONSES; CUES; SEPARATION; BEHAVIOR;
Keywords:
ULTRASONIC VOCALIZATION; RAT PUPS; DEVELOPMENT; POTENTIATION; MATERNAL SEPARATION; ISOLATION DISTRESS; ATTACHMENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
M.A. Hofer et al., "THE ONTOGENY OF MATERNAL POTENTIATION OF THE INFANT RATS ISOLATION CALL", Developmental psychobiology, 33(3), 1998, pp. 189-201

Abstract

Previous studies have shown that preweanling I-at pups double or triple their rates of ultrasonic vocalization (USV) when isolated immediately after brief periods of maternal interaction (potentiation). We studied the ontogenetic pattern of USV and other behavioral responses of pups to 3-min periods of isolation in a novel test chamber, fi om 5 to25 days postnatal age, before, during, and after I min or 5 min of interaction with an anesthetized or an active dam. USV potentiation did not develop until 7-9 days postnatal, a week after the initial isolation and maternal contact quieting responses were well established. Potentiation reached a peak at 13 days, and then declined until all USV responses ceased after 21 days. Other behavioral responses to isolation were not enhanced by maternal interaction at any age. The distinct ontogenetic pattern of this unusual response to maternal separation has implications for understanding its mode of development and possible adaptive value. (C) 1998 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 06:04:54