ULTRASONIC CRIES FROM INFANT RATS STIMULATE PROLACTIN-RELEASE IN LACTATING MOTHERS

被引:61
作者
TERKEL, J [1 ]
DAMASSA, DA [1 ]
SAWYER, CH [1 ]
机构
[1] UNIV CALIF LOS ANGELES, SCH MED, INST BRAIN RES, LOS ANGELES, CA 90024 USA
基金
美国国家卫生研究院;
关键词
D O I
10.1016/0018-506X(79)90029-1
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
Lactating female rats, separated from their litters for 6 hr, showed a dramatic elevation in plasma prolactin following a 15-min playback of ultrasonic vocalizations recorded from 7-day-old pups. Virgin females exhibited a smaller but still significant prolactin response to recorded pup calls. Control recordings of either background noise or adult ultrasonic vocalizations (22-26 kHz) had no effect on prolactin secretion even in lactating females. These results demonstrate that infant vocalizations can act as a stimulus for prolactin release and suggest that such communications may play a role in the maintenance of normal lactation. © 1979.
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页码:95 / 102
页数:8
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