[An analysis of the psychoemotional tension in patients before oral surgery in relation to their psychological personality traits]. / Analiz psikhoémotsional'nogo napriazheniia bol'nykh pered stomatologicheskoi operatsiei v zavisimosti ot psikhologicheskikh osobennostei lichnosti.

Psychoemotional strain caused by the anticipation of surgical intervention with premedication exhibited greater anxiety levels (detected by means of Spielberger test) in extraverts as compared to introverts. This coincided with an elevated RR interval variability and, in extraverts, more pronounced alterations in ECG T-wave amplitude.