[Effects of acute stress on lateralization of lipid peroxidation in the brain depend on the behavioral typology of rats].

Using the "emotional resonance test" albino mongrel male rats were separated for their preference to light or dark space during the cry of a "victim" rat receiving footshock. Rats avoiding the cry of a "victim" by moving to the light space were characterized by higher levels of lipid peroxidation (LPO) products. A short footshock resulted in a dramatic LPO decrease in both hemispheres in the brain of all rats under study, but in rats not avoiding the cry of a "victim" (preferring dark space) "left" asymmetry of LPO increased.