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Titolo:
POSTNATAL HANDLING REDUCES EMOTIONALITY RATINGS AND ACCELERATES 2-WAYACTIVE-AVOIDANCE IN FEMALE RATS
Autore:
NUNEZ JF; FERRE P; GARCIA E; ESCORIHUELA RM; FERNANDEZTERUEL A; TOBENA A;
Indirizzi:
AUTONOMOUS UNIV BARCELONA,SCH MED,DEPT PHARMACOL & PSYCHIAT,MED PSYCHOL UNIT E-08193 BARCELONA SPAIN
Titolo Testata:
Physiology & behavior
fascicolo: 5, volume: 57, anno: 1995,
pagine: 831 - 835
SICI:
0031-9384(1995)57:5<831:PHRERA>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
EARLY STIMULATION; BENZODIAZEPINE RECEPTORS; INFANTILE STIMULATION; PERINATAL FLUMAZENIL; SHUTTLE-BOX; BEHAVIOR; STRESS; ACQUISITION; RESPONSES; ANXIETY;
Keywords:
POSTNATAL HANDLING; ANXIETY; EMOTIONALITY RATING; ELEVATED PLUS-MAZE; 2-WAY ACTIVE AVOIDANCE; CONFLICT; PARAMETRIC CONDITIONS; BETWEEN-TEST CORRELATIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
J.F. Nunez et al., "POSTNATAL HANDLING REDUCES EMOTIONALITY RATINGS AND ACCELERATES 2-WAYACTIVE-AVOIDANCE IN FEMALE RATS", Physiology & behavior, 57(5), 1995, pp. 831-835

Abstract

The present study evaluated whether postnatal handling (PH; administered daily during the first 21 days of life) could reduce anxiety or emotional reactivity in tasks of either spontaneous or conditioned fear-related behavior. To this purpose control nonhandled and postnatally handled female rats were submitted to three different behavioral tests:an emotionality rating (ER) followed by an elevated plus-maze test ofanxiety in one experiment, and an acquisition of two-way active (shuttlebox) avoidance under two different training conditions in a separate experiment. Significant effects of PH treatment appeared in the three testing situations, clearly indicating an important and enduring reduction of emotionality/anxiety in PH-treated rats. Of especial interest were the results of shuttlebox training: by shortening the conditioned stimulus (CS) and the intertrial interval (ITI) duration, avoidanceacquisition was impaired as expected but the improving effects of PH were even more marked. The results are discussed in relation to previous studies reporting controversial results in the same (or similar) testing situations.

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Documento generato il 04/06/20 alle ore 01:48:23