Twelve hours is sufficient for social buffering of conditioned hyperthermia

被引:26
作者
Kodama, Yuka [1 ]
Kiyokawa, Yasushi [1 ,2 ,3 ]
Takeuchi, Yukari [1 ]
Mori, Yuji [1 ]
机构
[1] Univ Tokyo, Lab Vet Ethol, Bunkyo Ku, Tokyo 1138657, Japan
[2] Univ Tokyo, Vet Physiol Lab, Tokyo 1138657, Japan
[3] Japan Soc Promot Sci, Tokyo, Japan
基金
日本学术振兴会;
关键词
Social buffering; Social housing; Fear conditioning; Conditioned hyperthermia; Freezing; STRESS-INDUCED HYPERTHERMIA; MALE-RATS; ALARM PHEROMONE; MEMORY CONSOLIDATION; PROTEIN-SYNTHESIS; BODY-TEMPERATURE; FEAR RESPONSES; AMYGDALA; CORTISOL; REQUIRES;
D O I
10.1016/j.physbeh.2010.10.025
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
We previously reported that in male rats, 24 h of social housing with an associate male rat immediately following fear conditioning attenuated conditioned hyperthermia in response to an auditory conditioned stimulus. In this study, we investigated the time window and threshold of social housing where "social buffering" mitigates conditioned hyperthermia. When 6 h of social housing immediately followed the conditioning procedure, attenuation of conditioned hyperthermia did not occur. However, an 18-h social housing period that started 6 h after the conditioning procedure successfully blocked the subsequent hyperthermia, as was observed in our previous study. We also shortened the duration of social housing and found that a 12-h, but not a 6-h, period of social housing mitigated the subsequent hyperthermia. In addition, a 24-h social housing period that started 24 h after the conditioning procedure mitigated the hyperthermia. These results suggest that 12 h is sufficient for social buffering of conditioned hyperthermia. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码:188 / 192
页数:5
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