7/12/2023 0 Comments Pavlov effectAntonov, “Characteristics of EEG signs of anxiety in humans,” Zh. Isurina, Alexithymia and Methods for Its Assessment in Marginal and Psychosomatic Disorders. Makhnev, “Neurophysiological correlates of evoked discrete emotions in humans: individually orientated analysis,” Ros. Pavlov, “Effects of alexithymia on evoked synchronization of human EEG theta rhythms in the perception of emotional visual stimuli,” Ros. This phenomenon may provide evidence of the need for recruiting additional cognitive resources for identifying emotional feelings in relation to the impairments of the symbolic perception of emotional information seen in alexithymics observed here. The similarity of the responses of alexithymics in conditions of positive and negative emotional activation identifies the increase in emotional reactivity, independent of the sign of the incoming emotional information, as non-specific. Alexithymia was found to influence EEG activity in the theta-2, alpha-1, and alpha-2 ranges alexithymics showed greater reactivity in the anterior and/or posterior areas of the cortex of the right hemisphere in all frequency ranges during watching of both positive and negative clips. EEG (62-channel) recordings were made during presentation of special emotional video clips to alexithymics (17 subjects) and controls (27 subjects). The aim of the present work was to assess the effects of alexithymia (a psychoemotional disorder associated with difficulties in identifying and describing personal feelings) on regional activity in the cerebral cortex during positive and negative emotional activation in a non-clinical set of subjects.
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