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1.
Helge Sletvold Geirr Molde Jensen K. Gunnar Götestam M.D. Ph.D. 《Integrative psychological & behavioral science》1986,21(1):32-35
Forty normotensive subjects participated on a voluntary basis in a study designed to compare the effect of suggestions on blood pressure (BP). Two experimental groups received suggestions presumed to be specific in lowering or raising BP after simple relaxation (relaxation group) or hypnotic induction (hypnotic group). A control group was used to record the BP changes over time. The time variable was significant for both systolic (SBP) and diastolic blood pressure (DBP). Induction procedures (hypnosis or relaxation) resulted in significant decreases in DBP in both experimental groups. In the control group there was a significant decrease in SBP. A specific suggestion to increase the BP resulted only in DBP increase in the hypnotic group. This group also gave an increase of both SBP and DBP over the entire experiment, whereas the relaxation group resulted in a significant decrease in SBP. There was no significant group variable, indicating no differences between the groups. Further research is needed to enable firm conclusions of the effect of suggestions on BP. 相似文献
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Derdikman-Eiron R Indredavik MS Bratberg GH Taraldsen G Bakken IJ Colton M 《Scandinavian journal of psychology》2011,52(3):261-267
Derdikman‐Eiron, R., Indredavik, M. S., Bratberg, G. H., Taraldsen, G., Bakken, I. J. & Colton, M. (2011). Gender differences in subjective well‐being, self‐esteem and psychosocial functioning in adolescents with symptoms of anxiety and depression: Findings from the Nord‐Trøndelag health study. Scandinavian Journal of Psychology52, 261–267. Gender differences in the prevalence of symptoms of anxiety and depression during adolescence are well documented. However, little attention has been given to differences in subjective well‐being, self‐esteem and psychosocial functioning between boys and girls with symptoms of anxiety and depression. The aim of this study was to investigate gender differences in the associations between such symptoms and subjective well‐being, self‐esteem, school functioning and social relations in adolescents. Data were taken from a major population‐based Norwegian study, the Nord‐Trøndelag Health study (HUNT), in which 8984 (91% of all invited) adolescents, aged 13–19 years, completed an extensive self‐report questionnaire. Although prevalence rates of symptoms of anxiety and depression were higher in girls than in boys, a significant interaction between gender and symptoms of anxiety and depression was found in respect of each of the following outcome variables: subjective well‐being, self‐esteem, academic problems, frequency of meeting friends and the feeling of not having enough friends. These interactions indicate that the associations between symptoms of anxiety and depression and lower subjective well‐being and self‐esteem, more academic problems in school and lower social functioning were stronger for boys than for girls. Our findings may contribute to an earlier assessment and more efficient treatment of male adolescent anxiety and depression. 相似文献
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Bernt Ivar Olsen Bruno Laeng Kari‐Ann Kristiansen Gunnar Hartvigsen 《Scandinavian journal of psychology》2013,54(3):196-204
Performance in a computerized “mental rotation” task was measured in groups of males and females while they rotated Shepard‐Metzler‐like cube assemblies on either a standard laptop screen (size = 36 cm) or on a large display wall (584 cm) where the stimuli appeared at considerably larger sizes and within a much wider field of view than that typically used in most spatial tasks. Males and females did not differ significantly in performance in the standard size condition with regards to response time but females performed faster than males in the large display condition. Males were also found to be significantly more accurate than females, regardless of display. We found no sign of trading accuracy for speed for either of the sexes or screen size conditions. We surmise that such an effect may be due to differences in task‐solving strategies between the sexes, where a holistic strategy – which may be preferred by males is negatively affected by large object sizes, whereas a piecemeal approach, that may be preferred by females, is virtually unaffected by display size. 相似文献
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Peter Nordstrm Petter Gustavsson Gunnar Edman Marie sberg 《Suicide & life-threatening behavior》1996,26(4):380-394
The aim was to extend recent findings of suggested temperamental features in attempted suicide and to explore possible domains of vulnerability to suicide risk after attempted suicide. Fifty-four psychiatric inpatients hospitalized after a suicide attempt underwent lumbar puncture for analysis of CSF 5-HIAA concentration and also completed the Karolinska Scales of Personality (KSP) before discharge from the hospital. Suicide attempters scored high on Somatic Anxiety, Psychic Anxiety, and Muscular Tension, and low on Socialization, findings that support recent findings in suicide attempters followed up after an emergency room visit. Five patients committed early suicide, i.e., within 3 years, and the overall long-term suicide mortality after attempted suicide was 13%. There were significant correlations between survival time among early suicides and CSF 5-HIAA (r = .87;p = .054), and the following KSP scale t scores: Somatic Anxiety (r = ?.96;p < .05), Impulsivity (r = ?.88; p < .05), and Socialization (r = .90; p < .05). KSP Socialization showed correlations with CSF 5-HIAA (r = .89; p = .046) among the early suicides. Features of temperamental vulnerability to suicide risk after attempted suicide might involve anxiety proneness, impulsivity, low socialization, and low CSF 5-HIAA. 相似文献
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The problem dealth with was how perception of a three-dimensional space is related to the corresponding two-dimensional retinal image. The stimulation used was a straight line changing length and direction. For this stimulation a geometrical model was developed. The basic decoding principle in this model is that the changes in the two-dimensional figure will be perceived as three-dimensional motions of an object with constant shape and size. This principle was approximately verified for the majority of the data. The main deviation from the model was that there was generally less perceived depth than predicted. Also a second decoding principle was generally verified: rotary, but not translator motion is perceived from this kind of stimulation. A third unexpected decoding principle was found in the data: the line is perceived in a frontal-parallel direction when it has its maximal extention. 相似文献
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Preliminary experiments suggest that the changes in adaptation level due to glaring light in a night traffic meeting situation give no practically important deterioration of visibility. To obtain a more complete answer, one experiment was done in a 'real' night driving situation, and two experiments were carried out using a glare simulator, aimed at quantifying the change in the level of adaptation in terms of redetection time of a target made invisible due to glare. The effect of three factors were studied: duration of glare, maximum illuminance of glare, and contrast ratio between background and target. The preliminary suggestions were fully confirmed. 相似文献