Reward Dependence

Reward Dependence reflects a heritable bias in the maintenance of behaviour in response to cues of social reward. It is observed as sentimentality, social sensitivity, attachment, and dependence on approval by others. Reward Dependence corresponds with Eysenck's introversion-extraversion trait. Low Reward Dependence: independent, non-conformist, practical, tough-minded, cynical, unwilling to share their intimate feelings with others, … Continue reading Reward Dependence

Cafeine, cognitive tasks and extraversion

Moderate doses of caffeine hindered the performance of introverts and helped the performance of extraverts on a cognitive task. However, these phenomena were affected by time of day and impulsivity. Low impulsives are more aroused in the morning and less aroused in the evening than are the high impulsives. (Revelle et al., 1980)

Noise level and extraversion

Preferred stimulation levels in introverts and extraverts differ and has effect on arousal and performance. Introverts have an increased sensitivity to stimulation and choose a lower level of noise than do the extraverts, and both introverts and extraverts show no difference in arousal and performance with preferred noise level. (Geen, 1984)

Seven traits of extraversion

You can see seven traits that correlate with each other, i.e. people who are sociable, impulsive, active, risk-taking and expressive, and lacking consideration and responsibility. This combination of character traits produces a new and more general character that is called extraversion. (Eysenck & Wilson, 1977)

Introversion and extraversion

De bi-polaire termen introversie en extraversie werd ingevoerd door Carl Jung die ze gebruikt als kern van zijn persoonlijkheidsprofielen. Hans Jürgen Eysenck (1998) gebruikte deze antagonisten als meest belangrijke merker in zijn persoonlijkheidstheorie. ·- Met een extraverte ingesteldheid is de energie naar buiten gericht, op mensen, activiteiten en dingen. - Met een introverte ingesteldheid is … Continue reading Introversion and extraversion