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Extraversion, neuroticism and strength of the nervous system.

The hypothesized identity of the dimensions of extraversion-introversion and strength of the nervous system was tested on four groups of nine subjects (neurotic extraverts, stable extraverts, neurotic introverts, stable introverts). Strength of the subjects' nervous system was estimated using the electroencephalographic (EEG) variant of extinction with reinforcement. Introverted subjects were found to have weak nervous systems, according to the EEG index, while extraverted subjects had strong nervous systems, thus confirming the hypothesis. It was also found that the dimension of strength of the nervous system was unrelated to differences in neuroticism. The results are interpreted as adding support to Eysenck's theory relating differences in extraversion-introversion to differences in cortical arousal.

Acoustic Stimulation↗

Orbitofrontal thickness, retention of fear extinction, and extraversion.

People differ in their personality traits and in their ability to modulate fear. Does our personality determine how well we extinguish conditioned fear responses? Or is the opposite true? Herein, we examine the relationships between personality traits, memory for fear extinction, and cortical thickness as a measure of brain structure. We found that in healthy humans, extinction retention and thickness of the medial orbitofrontal cortex are positively correlated with extraversion. Path analysis indicates that extinction retention mediates the relationship between the medial orbitofrontal cortex thickness and extraversion, thereby illustrating one path through which brain structure influences personality.

Conditioning, Psychological↗

Extraversion, neuroticism, immoral judgment and criminal behaviour.

The present study examines delinquent behaviour by integrating two approaches until now employed separately: Eysnck's theory linking delinquency to extraversion and neuroticism, and Kohlberg's theory of moral development and its connection to moral behaviour. The study analyzes the relations between extraversion, neuroticism and moral judgment, as well as their independent and/or interactive effect upon the development of anti-social behaviour. The relationships are tested by retrospective measurements of personality traits and moral judgment in three groups: delinquency (N = 203), control (N = 82) and comparative (N = 407) groups. Findings show that criminals are higher than control subjects in neuroticism and immoral judgment but not in extraversion. Similar relationships were found between criminals and the comparative group, with one exception: here extraversion was found to be positively related to delinquency, both independently and interactively with neuroticism. The implications of these results for differential development of anti-social behaviour are discussed.

Antisocial Personality Disorder↗

Extraversion and inhibition: a slow-potential study.

This report presents data showing that extroverts (Eysenck Personality Inventory) develop larger positive vertex slow potentials than introverts under extinction conditions ("no go" instruction in a fixed foreperiod reaction time task). The effect was clearer in subjects with low neuroticism (N) scores than in those with a middle N level. Since independent evidence indicates that cortical positivity is associated with inhibitory phenomena, results are interpreted as lending support to the notion that extroverts may develop more inhibitory potential than introverts under certain conditions.

Adult↗

Inhibitory ease--a personality type?

Measures of reactive, transmarginal and internal inhibition, inhibitory strength, extraversion (E) and neuroticism (N) were obtained from a sample of 25 Ss. A Principal Components analysis of the data disclosed factors which were identified tentatively as extinctive/reactive inhibition, transmarginal inhibition, and appetitive and aversive inhibitory strength. N loaded the transmarginal inhibition factor, and I(Introversion) the appetitive inhibitory strength factor. It is suggested that the role of E in appetitive CR extinction may be a function of the extent to which inhibitory strength is involved in inhibitory dynamism.

Adult↗

Dispositional affect and work-related stress.

Trait negative affectivity (NA) has been asserted to be a factor that spuriously inflates relationships between self-reported stressors and self-reported strain outcomes. We tested this hypothesis with conventional work stress instrument responses and physiological assessments obtained from 311 fire and police department employees. Confirmatory factor analyses indicated that NA did not measure a factor in common with measures of subjective strain. Latent-variable structural equations analyses, however, found that estimating the effects of NA on strain significantly attenuated the effects of work stressors. NA had no correlation with physiological stress outcomes. Trait positive affectivity did not attenuate relationships between work stressors and either subjective or objective stress outcomes. Implications for work stress research methodology and recommendations are discussed.

Adaptation, Psychological↗

[Coping with stress as a paradigm of the psychopathology in childhood and adolescence].

Stress coping can be valid for a paradigm of psychopathology of children and adolescents. This concept is supported by an extensive literature which shows the way of coping from a "footnote to stress theory" (Lazarus) to its central concept. Neither the "objective" stress (stimulus side) nor the specificity of stress reaction (adaptation syndrome) are the important factors, but rather the mediation between stress coping and the individual, the transaction in the sense of an exchange process. Above all, permanent personality attributes have been examined here, most intensively extraversion/introversion and neuroticism, and recently, more and more often coping processes. The research situation also confirms in its approach the concept of Lazarus (1981) in the field of child and adolescent psychiatry. According to Lazarus, stressors are less meaningful as a cause of psychiatric disturbances than cognitive-emotional reaction mediating coping processes. They should be examined preferably under natural conditions; a combination of standard research strategies with individual case analyses is recommended. Therapeutically, it is essential to help children and adolescents to achieve an adequate correlation between their own capabilities and limitations on the one hand, and of conflicts and stress situations on the other hand, whereby the adolescent (young) patient is interested in a quick solution to personal and interpersonal crises. He is not at all interested in its extension in the sense of a 'Sturm-und-Drang'-idea of adolescent age. Hence coping cannot be confined only to coping with a functional crisis; it must rather aspire to achieve a schematisation of the situation in accordance with the truth.

Adaptation, Psychological↗

Coping and personality.

146 women and 47 men were given the Eysenck Personality Questionnaire and the Coping Inventory for Stressful Situations. Neuroticism accounted for 37% of the variance in emotion-focused coping. Personality was not a substantial predictor of other coping strategies.

Adaptation, Psychological↗

The effects of persistent pain: the chronic headache sufferer.

A survey of the psychological characteristics of a large sample of chronic headache cases (n = 360), including classical and common migraine and tension headache sufferers, was carried out. Comparing groups defined in terms of the chronicity of their headache problems, it was found that those with a longer history of headache had a higher level of behavioural disruption and a stronger bond between pain experience, and both complaint levels and behavioural avoidance patterns. Despite the common somatic components (sleep disturbance, fatigue, irritability, etc.), depression was not found to be elevated in this chronic pain group. In addition, there was no evidence of depression levels being higher in the populations who had had a longer history of headache problems. Higher levels of complaint were found in those with higher depression and higher extroversion and neuroticism scores. Behavioural avoidance was significantly related to the emotional reaction component of pain. The implications of these findings with respect to the development of chronic headache are discussed.

Adaptation, Psychological↗

Family histories of breast cancer, coping styles, and psychological adjustment.

Although women with family histories of breast cancer (FHBC+) have been reported to have higher levels of cancer-specific and general distress than have women without such histories (FHBC-), there has been considerable variability in levels of distress found. This study examined individual differences in the use of coping strategies as likely moderators of the relationship between FHBC and psychological outcomes. One hundred and sixteen healthy women (47 FHBC+ and 69 FHBC-) participated. Results revealed that passive coping style was associated with higher levels of cancer-specific distress among FHBC+, but not among FHBC-. This interaction was not found for negative or positive affect. The passive coping style was associated with higher levels of negative affect across both groups. These results suggest that passive coping has negative implications for FHBC+ women and imply that individualized coping training programs targeting this coping strategy may prove useful for these women.

Adaptation, Psychological↗