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Behav Neurosci

Title:		Odors released by stressed rats produce opioid analgesia in unstressed rats
Author(s):		Fanselow MS;
Address:
Journal Title:		Behav Neurosci
Year:		1985
Volume:		99
Issue:		3
Page Number:		589 - 592
DOI:		10.1037//0735-7044.99.3.589
ISSN/ISBN:		0735-7044 (Print) 0735-7044 (Linking)
Abstract:		"When unstressed rats were placed in a chamber containing the odor of a conspecific that had received electric shock, they became analgesic as assessed by the formalin test. The odors of nonstressed conspecifics and novel odors produced no such effect. This analgesia was reversed by naltrexone. The data suggest that naturalistic stimuli innately associated with aversive environmental events can activate endogenous pain control mechanisms"
Keywords:		"Animals Female Naltrexone Pain/*physiopathology Pheromones/*physiology Rats Rats, Inbred Strains Reaction Time/physiology Stress, Physiological/*physiopathology;"
Notes:		"MedlineFanselow, M S eng 1985/06/01 Behav Neurosci. 1985 Jun; 99(3):589-92. doi: 10.1037//0735-7044.99.3.589"