[Effect of antihypoxic agents on the cyclic nucleotide content in different brain structures in normo-oxia and hypoxia]. / Vliianie nekotorykh antigipoksantov na soderzhanie tsiklicheskikh nukleotidov v razlichnykh strukturakh mozga v usloviiakh normo- i gipoksii.

A study was made of the effects of isothiobarbamine and guthimine (10 and 50 mg/kg, respectively) on the content of cAMP and cGMP in the brain cortex (BC) and hippocamp under normal conditions and hypoxia. Isothiobarbamine did not change the content of both cyclic nucleotides under normoxia, whereas under hypoxia it reduced the level of the cyclic nucleotides in the BC and raised it in the hippocamp. Guthimine increased their content in the BC and did not change it in the hippocamp under normoxia, whereas under hypoxia it increased the cAMP content in the hippocamp and did not change it in the BC. The cGMP content descended in both the structures under study.

[Infraslow activity and temperature of the brain during tests with emotional tension]. / Sverkhmedlennaia aktivnost' i temperatura mozga pri testakh émotsional'nogo napriazheniia.

Infraslow electrical activity and brain temperature were recorded with implanted electrodes and differential thermocouples in rabbits. Stimulation of gyrus cinguli increased the amplitude of infraslow activity and reduced its frequency. Stimulation of the hypothalamus entailed both changes of the infraslow activity and raise of the brain temperature. The effects of stimulation were altered after administration of antihypoxants.