THE DYNAMICS OF PAIN PERCEPTION UNDER CON DITIONS OF PURPOSIVE ACTIVITY

The dynamics of nociception was studied in young male volonteer studen ts with different indices of extraversion and neurotism under conditio ns of their relative psychoemotional rests and psychoemotional tension induced by academic exams and blood-donation procedures. The averaged somatosensory potentials evoked by threshold electrodermal pain stimu li were recorded in the state df rest and during performance of comput er-adapted proof-reading test. In ambivalent, sanguine, choleric, and phlegmatic persons the mean values of nociception thresholds differed between testing situations and rest. Processual motivation diminished pain perception. Characteristics of the evoked responses changed depen ding on the individual typological properties and motivation-determine states, The dynamics of pain subjective evaluation was different in s ubjects with different individual typological characteristics.