Beĭer E V, Popov A V, Arushanian E B
State Medical Academy, Stavropol, Russia.
Ross Fiziol Zh Im I M Sechenova. 1999 Mar;85(3):372-8.
Destruction of the circadian pacemaker: suprachiasmatic nuclei of the hypothalamus, enhances the anxiety, sympathetic tone, and induced a reorganising of the time course of forced swimming. In rats under acute stress, these shifts were more obvious. Primary disorganisation of rhythmical processes seems to augment animals' sensitivity to stress.