[Mechanisms of disorders in the assessment of external signals in psychopathies].

The author discusses some results of studies in evoked brain potentials of excitative and inhibitive psychopathic personalities. The evoked brain potentials to signal significant stimula in psychopaties are changed these changes being different in the groups of excitative and inhibitive psychopaths. In psychopathic personalities the amplitude changes to a significant stimula, not so much of the late but of the early components of response. The changes of early waves in the excitative and inhibited groups are differently directed. It can be supposed that these changes reflect the disturbances in the informational brain processes in psychopathic personalities which can be most distinctly seen in emotionally significant situation.