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  • Title: Visual evoked potentials in the formation of a temporal connection.
    Author: Kostandov E, Gavrilenko TT.
    Journal: Acta Physiol Pharmacol Bulg; 1981; 7(4):20-8. PubMed ID: 7345889.
    Abstract:
    With a view to estimating the character of the visual evoked potentials (EP) in the process of the formation of a temporal connection and its extinguishing in human subjects, temporal connection was created between two visual stimuli--non-verbal and verbal with neutral or emotional significance--in ten subjects with psychopathic traits of the character. Cerebral EP are recorded in the occipital, associative areas and on the vertex. In establishing the temporal relation, it was found that the non-verbal stimulus signalizing emotionally significant verbal stimulus causes a late positive component with shorter latency and higher amplitude in the occipital regions compared with EP of the non-verbal stimulus signalizing a neutral stimulus. Analogous differences are also found for the parameters of EP of the neutral and emotional verbal stimuli, i. e. the second stimulus in the pair. The established differences in the EP parameters of the two non-verbal signal stimuli during the functioning of the temporal connection are stable in character upon its extinguishing.U
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