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Titolo:
Brief vs. long maternal separations in infancy: contrasting relationships with adult maternal behavior and lactation levels of aggression and anxiety
Autore:
Boccia, ML; Pedersen, CA;
Indirizzi:
Univ N Carolina, Dept Psychiat, Chapel Hill, NC 27599 USA Univ N CarolinaChapel Hill NC USA 27599 chiat, Chapel Hill, NC 27599 USA Univ N Carolina, Frank Porter Graham Child Dev Ctr, Chapel Hill, NC 27599 USA Univ N Carolina Chapel Hill NC USA 27599 v Ctr, Chapel Hill, NC 27599 USA
Titolo Testata:
PSYCHONEUROENDOCRINOLOGY
fascicolo: 7, volume: 26, anno: 2001,
pagine: 657 - 672
SICI:
0306-4530(200110)26:7<657:BVLMSI>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORTICOTROPIN-RELEASING FACTOR; PITUITARY-ADRENAL RESPONSES; OXYTOCIN RECEPTORS; RAT-BRAIN; STRESS; MOTHER; ALTERS; FEARFULNESS; DEPRIVATION; EXPRESSION;
Keywords:
maternal separation; maternal behavior; aggression; grooming; anxiety;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Pedersen, CA Univ N Carolina, Dept Psychiat, CB 7160, Chapel Hill, NC 27599 USA Univ N Carolina CB 7160 Chapel Hill NC USA 27599 NC 27599 USA
Citazione:
M.L. Boccia e C.A. Pedersen, "Brief vs. long maternal separations in infancy: contrasting relationships with adult maternal behavior and lactation levels of aggression and anxiety", PSYCHONEURO, 26(7), 2001, pp. 657-672

Abstract

We compared the effects of daily long (3 h), brief (15 min) or no maternalseparation (LMS, BMS, NMS) on postnatal days 2-14 on maternal behavior, aggression and anxiety levels during lactation in adulthood. Animals subjected to LMS received less maternal grooming than animals subjected to BMS. Maternal behaviors, including nursing, pup-grooming (PG) frequency and proportion of total grooming (PG+self-grooming) and nest-building during the immediate postpartum period and on postpartum days 2 and 5 were lower in dams with LMS experience compared to dams with BMS experience. LMS dams attacked male rats placed in their home cages less quickly and less often than did BMS or NMS dams. LMS dams also exhibited more anxiety than BMS dams in the elevated plus maze test. Thus, maternal separation during the postnatal period (or associated changes in the amount of maternal grooming received) affected subsequent adult maternal behavior, aggression and anxiety: The mechanism for this remains to be discovered, however, it seems likely to involve alteration of the development of oxytocin receptors in the brain. 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 05:59:31