TY - JOUR PY - 2006// TI - Energetical bases of extraversion: effort, arousal, EEG, and performance JO - International journal of psychophysiology A1 - Beauducel, Andre A1 - Brocke, Burkhard A1 - Leue, Anja SP - 212 EP - 223 VL - 62 IS - 2 N2 - This study investigates an extension of H.J. Eysenck's [Eysenck, H.J., 1967. The Biological Basis of Personality. Charles C. Thomas, Springfield, IL] arousal theory of extraversion, incorporating an effort system as a control system for different aspects of arousal. Extraverts were expected to have lower levels of reticocortical arousal than introverts, to invest more effort, and to have lower task performance in a monotonous vigilance task. In a 40-min vigilance task, participants had to react to the shorter of two 1 kHz tones presented binaurally at an event rate of 200 per 10 min. Spontaneous EEG, event-related potential, and performance data of 40 extremely introverted and 41 extremely extraverted students were available for statistical analysis. A tendency for lower arousal levels of extraverts (alpha 2 band), the expected higher effort investment (P300) and a lower performance (hits) of extraverts were found.

Language: en

LA - en SN - 0167-8760 UR - http://dx.doi.org/10.1016/j.ijpsycho.2005.12.001 ID - ref1 ER -