[The superslow bioelectrical activity of the brain in monkeys during the development of the high-pressure nervous syndrome].

In immersions over 20 ata, symptoms occur known as the high pressure neural syndrome (HPNS). Regular changes of the infraslow electrical activity were revealed in development of the HPNS: the waves of the 20-sec period start developing, the average oscillation amplitudes becoming considerably higher. The inter-lead correlation becomes more obvious.