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[Type of pain, personality traits and effectiveness of modified acupuncture].

In 50 patients with headaches and 50 with radicular pains pain sensitivity and pain tolerance as well as personality traits (Eysenck and Cattell questionnaire) were determined and a modification of acupuncture (with additional chemical stimulation) was used for treatment. The results of treatment were compared with personality traits. Differences were found in the personality traits between patients with paroxysmal headaches and patients with radicular pains. No statistically significant correlation was found, on the other hand, between the results of treatment and personality traits. The obtained results were best in the group of patients with paroxysmal headaches (permanent analgesic effect obtained in 70% of cases). The results of treatment obtained in the group of patients with continuous headaches and with radicular pains were similar. In patients with a lower threshold of pain sensitivity a higher proportion of permanent disappearance of pain was observed after treatment, and this observation may be useful for establishing indications to this therapy. Lack of any influence of personality traits on the result of this modified acupuncture may suggest that the basic analgesic action of these procedure is at lower levels of the nervous system and that it causes blockade of inflow of pain stimuli.

Acupuncture Therapy

Associations of red blood cell fatty acids with personality traits: 10-year follow-up in the Kibbutzim Family Study (KFS).

BACKGROUND: The ability of hostility and type-A personality to predict cardiovascular outcomes makes understanding antecedents of these personality traits an important public health objective. OBJECTIVES: This study aimed to examine whether blood-measured fatty acids (the exposure) are associated with hostility and type-A personality (the outcome), while accounting for lifestyle, sociodemographic factors, and polygenic background. METHODS: Personality traits, sociodemographic, and lifestyle data were obtained in 1992-1993 from 452 family members living in kibbutz settlements in Israel (visit 1) and remeasured 8 to 10 y later in 379 individuals (visit 2). Red blood cell (RBC) fatty acid concentrations were determined in visit 1 by gas chromatography. Longitudinal associations of visit 1 fatty acids with visit 2 personality traits were examined using linear models, before and after controlling for baseline personality scores. The contribution of environmental factors to personality scores beyond heritability was estimated by variance decomposition. RESULTS: In longitudinal analysis, 1% increase in visit 1 total n-6 (ω-6) fatty acid was associated with a 0.328-unit decrease in visit 2 type-A score [95% confidence interval (CI): -0.571, -0.085]. After adjustment for baseline personality levels, the association was slightly attenuated (β= -0.204; CI: -0.399, -0.009). One percent higher total n-6 was also associated with 1.119 units lower visit 2 hostility score (CI: -2.777, 0.038; P = 0.055). Finally, independent of the genetic contribution (32%-38% of adjusted variability in hostility and type-A personality), 1% increase in total n-3 and total n-6 was associated with 2.539 (CI: -3.907, -1.171) and 0.201 (CI: -0.365, -0.037) units lower hostility and type-A scores, respectively. CONCLUSIONS: Higher RBC total n-6 fatty acid concentrations are associated with lower type-A personality scores. After adjustment for baseline personality levels, the associations between total n-6 and hostility and between total n-3 and hostility are attenuated. These findings support further investigation of the relationship between fatty acid biology and personality traits using study designs better suited to causal inference.

Humans

Heritability of personality traits in adult male twins.

Personality test data from the California Psychological Inventory were collected on 99 pairs of identical and 99 pairs of fraternal adult male twins. Heritabilities were comuted for all 18 scales and compared to the heritabilities for "pure" scales with overlapping items omitted. Two of the pure scales, Responsibility and Femininity, had zero heritabilities, whereas all of the full scales had moderate to high heritabilities. It was concluded that item overlap has contributed significantly to previous failures to find evidence for the differential heritability of personality traits as measured by the CPI. CPI items were classified into genetic or environmental categories and separate factor analyses of items in these categories revealed more differences than similarities in factor structure. The genetic personality factors included Conversational Poise, Compulsiveness, and Social Ease. Environmental factors included Confidence in Leadership, Impulse Control, Philosophical Attitudes, Intellectual Interest, and Exhibitionism. Compared to the genetic factors, each of the environmental factors accounted for only a very small percentage of the variance.

Adult

The effects of personality traits on Memory-For-Designs performance.

Examined 241 Memory-For-Designs protocols for the drawing styles of closure difficulty, figure-size expansion, and figure-size constriction. Chi squares then were employed to compare those data with the personality traits of the Ss. Personality traits were assessed through use of the Sixteen Personality Factor Questionnaire. The major conclusion drawn from the data analysis was that regardless of his or her personality trait, a S will perform like most other Ss in relation to Memory-For-Designs test behavior. The Ss were university students between the ages of 18 and 23, male or female, who were U. S. citizens attending Emporia State University. Initially, Ss were given the Sixteen Personality Factor Questionnaire in groups. Ss who met sample qualifications on the personality test were asked to return for an individual follow-up test with the Memory-For-Design.

Adolescent

[Premorbid personality traits and features of the onset of schizophrenia in families with a hereditary predisposition].

The report covers a group of schizophrenic parents and their children (219 patients from 101 families); the author studied variants of premorbid personality traits, the patient's age at the onset of the disease, the duration of the initial period, its syndromes in the descending generation. Comparing signs in the pairs of parents-children the author detected the most stable signs in transmission to the descending generations. The following signs were attributed to such stable traits: schizoid personality traits, a short initial period, a psychopathlike syndrome in the initial period. Special tables were formed permitting to prognosticate the appearance of some signs in children when some signs were known in parents.

Adult

[Proskinetic symptoms in motor psychosis as accentuating personality traits].

Proskenetic symptoms have been observed by the authors in a study of motility psychosis. However, these proskinetic symptoms appeared to be a character trait of an infantile personality rather than a condition following as a consequence of psychosis. The question is raised as to whether proskinetic symptoms (and catatonic symptoms) may be considered accentuating personality traits.

Adult

Measurement of personality traits and their relation to patient satisfaction with complete dentures.

1. There was a high incidence of the personality traits of hypochondriasis, depression, hysteria, and manifest anxiety in the 70 complete denture patients of this study. 2. Most patients in this study were satisfied with the complete dentures received. 3. There was no significant relationship between the personality traits of hypochondriasis, depression, hysteria, and manifest anxiety and the degree of patient satisfaction with dentures. 4. There was no significant relationship between the personality traits of hypochondriasis, depression, hysteria, and manifest anxiety and the techinical quality of dentures. 5. There was no significant relationship between the technical quality of complete dentures and the degree of patient satisfaction with the same dentures.

Consumer Behavior

Overt and covert personality traits associated with coronary heart disease.

Some authors suggested the existence of contradictory traits in the personality pattern associated with coronary heart disease: while presenting overt, active, adult-like traits, coronary subjects would be, at a more covert or repressed level, characterized by passive and infantile tendencies. To test this hypothesis, coronary and control subjects were submitted to three types of personality questionnaire, each of them measuring the same four personality traits (seclusion, impulsiveness, dependence and passivity) which, in the adult individual, are considered by Murray's (1938) theory of personality as persisting from infancy. No difference appeared between the two groups on type 1 questionnaires, describing behavioural features of individuals outwardly displaying the four traits. On type 2 questionnaires, describing tastes and similar areas less subject to social norms, coronary subjects revealed themselves higher than control subjects for passivity (P less than 0.05). and dependence (P less than 0.05). Similarly, they were higher for passivity (P less than 0.05), dependence (P less than 0.001) and impulsiveness (P less than 0.05) on type 3 questionnaires describing symptoms expected to occur occasionally among adults having such traits. Supplementary scales also showed coronary subjects to be more ego-defensive (P less than 0.001) and more self-assertive (P less than 0.05) than controls. These data were considered as supporting the hypothesis.

Coronary Disease

An examination of the relationship between personality traits and motivational dynamics.

The relationship between personality traits and motivational dynamics was investigated with focus on issues concerning their independence. Matched 16 Personality Factor (PF) and Motivational Analysis Test (MAT) questionnaires were obtained on 691 male and female undergraduates and Air Force personnel, and the scales were factor analyzed. Thirteen factors were indicated of which five were purely personality and four motivational, thus pointing to the independence of the two domains.

Aspirations, Psychological

Speech clinicians' attribution of personality traits as a function of stuttering severity.

Thirty-six speech-language pathologists participated in a study to evaluate clinicians' preconceptions of persons who stutter. Each rated a designated construct (the normally fluent individual, the mild stutterer, the moderate stutterer, the severe stutterer) using a personality trait scale. Results indicated that clinicians stereotypically assign negative personality traits to all levels of stuttering severity relative to normal. Their ratings further demonstrated that stutterers are generally considered to be a homogenous group. Differentiation amongst stutterers was made only between the polar ends of the stuttering severity continuum (that is, mild vs. severe). Clinicians' sterotypical trait assignment was not related to their professional experience. Results are discussed with reference to their clinical implications.

Humans

Resemblance in appearance and the equal environments assumption in twin studies of personality traits.

The equal environments hypothesis of twin methodology was examined for the variable of similarity of appearance as it affects the personality ratings of young twins. There were two separate samples, the first with 95 pairs of same-sex twins and the second with 111 pairs. The average age of the twins in both samples was 3-1/2 years. Mothers rated their twins on four personality traits and on confusability of appearance. Not surprisingly, identical twins were markedly more similar in appearance than fraternal twins. The effect of this inequality on the personality ratings of the two types of twins was examined by correlating ratings of similarity of appearance with the absolute difference on the four personality traits for each pair of twins. None of the correlations was significant for the identical twins, suggesting that greater resemblance in appearance in identical twins does not make them more similar in personality. Indeed, the data suggested a contrast effect in which identical twins who were easily mistaken in appearance tended to be rated as less similar in personality. Thus, although similarity of appearance may create unequal environments for the two types of twins, it does not appear to bias twin studies in the direction of inflated heritabilities, at least for rating studies of the personality of young twins.

Child, Preschool

Volunteer bias and personality traits in sexual standards research.

The effects of personality traits and volunteer bias in sexual standards research were studied. Two hundred and fifty-four subjects completed Jackson's Personality Research Form (PRF) and were subsequently sent either a sex or a control questionnaire. Return rates for the two groups were comparable. Also, the analyses of the PRF scores failed to show sex volunteers as having unique personality characteristics. These results are interpreted as grounds for rejecting the widely held stereotype that volunteers for sexual standards surveys are inevitably an atypical, deviant group. The possible limiting effects of age and method of soliciting information are discussed.

Adult

The relationship of aerobic physical fitness to selected personality traits.

The relationships between aerobic physical fitness and selected personality traits measured by the MMPI were investigated for college males engaged in an aerobic conditioning class. Results indicated that physical fitness scores and selected scales on the MMPI are related in college males and that changes in aerobic physical fitness are related to score changes on selected scales of the MMPI for college males who participated in an aerobic exercise program.

Adolescent

Psychosexual personality traits, fixation and neuroticism.

Three tests of oral and anal psychosexual personality traits, OOQ, OPQ and ai3Q, together with the EPI were administered to 128 subjects, to test the hypothesis that psychosexual fixation was related to neuroticism. This hypothesis was supported by the results.

Adult

Stability of adult personality traits: fact or fable?

Theoretical positions for and against a stability model for adult personality traits are examined. Results of a sequential study of 19 personality factors over a 7-year period and with participants ranging in age from 22 to 84 years suggest that stability within generations appears to be the rule, albeit combined with many differences between successive population cohorts and subject to transient secular trends. A typology of 13 possible models is offered to account for the different developmental trends observed for the various personality factors.

Adult

Comparing personality traits of male and female dental students: a study of two freshman classes.

The marked increase in women enrolled in dental school warrants a reassessment of dental student personality profiles. The purpose of this study was threefold: (1) to compare personality profiles of two first-year dental classes, (2) to compare male and female dental student profiles to their respective norm populations, and (3) to compare male and female dental student personality traits with each other. The Comrey Personality Scales were administered to two first-year dental classes at the University of California at Los Angeles. Between sex and within sex comparisons were made over ten inventory scales. Results indicated that the collective personality profiles of male and female dental students were markedly similar to each other for both classes. These results do not reflect the differences encountered between the sexes in the norm population. It was also noted that the "average" male dental student differed from the male norms on Orderliness versus Lack of Compulsion, Social Conformity versus Rebelliousness, and Emotional Stability versus Neuroticism. In addition, "average" female dental student differed from the female norms on Masculinity versus Femininity.

Dentists, Women

A biological survey of a Cambridge suburb: assortative marriage for IQ and personality traits.

An account is given of a study, carried out in a Cambridge suburb, which measured the similarity in IQ and some personality traits between spouses. In both sexes mean IQ scores tended to diminish from social class I to V. Lower IQ scores were associated with higher levels of extraversion, neuroticism and inconsistency. Assortative marriage was found for IQ components, Total IQ, extraversion-introversion and inconsistency scores. Both geographical and social stratification were shown to affect the degree of assortative marriage.

England

The significance of personality traits in EEG evaluation of drug effects.

The relatively clear and compact picture of an electroencephalographic classification of psychotropic substances becomes extremely more complex if the influence of personality traits and topographic differentiations in the EEG are taken into account. Using the example of EEG alterations under diazepam, amitriptyline, pyritinol, EMD 21-657 and caffeine, the complex structure of substance effects, personality factors, topographical differentiations, placebo reactivity and spontaneous circadian variability of the EEG is demonstrated.

Amitriptyline