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861.
Genetic and environmental factors underlying relationships between personality traits and disordered eating were examined in 256 female adolescent twin pairs (166 monozygotic, 90 dizygotic). Eating behaviors were assessed with the Total Score, Body Dissatisfaction, Weight Preoccupation, Binge Eating, and Compensatory Behavior subscales from the Minnesota Eating Disorders Inventory (M-EDI; K. L. Klump, M. McGue, & W. G. Iacono, 2000). Personality characteristics were assessed with the Negative Emotionality, Positive Emotionality, and Constraint scales from the Multidimensional Personality Questionnaire (MPQ; A. Tellegen, 1982). Model-fitting analyses indicated that although genetic factors were more likely to contribute to MPQ and M-EDI phenotypic associations than environmental factors, shared genetic variance between the 2 phenotypes was limited. MPQ personality characteristics may represent only some of several genetic risk factors for eating pathology. 相似文献
862.
Schellenberg EG Adachi M Purdy KT McKinnon MC 《Journal of experimental psychology. General》2002,131(4):511-537
Melodic expectancies among children and adults were examined. In Experiment 1, adults, 11-year-olds, and 8-year-olds rated how well individual test tones continued fragments of melodies. In Experiment 2, 11-, 8-, and 5-year-olds sang continuations to 2-tone stimuli. Response patterns were analyzed using 2 models of melodic expectancy. Despite having fewer predictor variables, the 2-factor model (E. G. Schellenberg, 1997) equaled or surpassed the implication-realization model (E. Narmour, 1990) in predictive accuracy. Listeners of all ages expected the next tone in a melody to be proximate in pitch to the tone heard most recently. Older listeners also expected reversals of pitch direction, specifically for tones that changed direction after a disruption of proximity and for tones that formed symmetric patterns. 相似文献
863.
Chanen AM Jackson HJ McGorry PD Allot KA Clarkson V Yuen HP 《Journal of personality disorders》2004,18(6):526-541
The 2-year stability of categorical and dimensional personality disorder (PD) in an older adolescent psychiatric outpatient sample was examined. One hundred and one 15-18-year-old participants were assessed using the Structured Clinical Interview for DSM Axis II Disorders (SCID-II) at baseline and 97 were re-interviewed, face-to-face, at 2 years. Of those with a categorical PD diagnosis at baseline, 74% still met criteria for a PD at follow-up, with marked gender differences (83% of females and 56% of males). Kappa for specific PDs was low for all except antisocial. Rank order and mean level dimensional stability ranged from high (antisocial, schizoid) to moderate (borderline, histrionic, schizotypal) to low (other PDs), with no decline in PD scores over the 2 years. There was no substantial influence upon stability of dimensional PD from the presence of Axis I disorder at baseline or from outpatient or inpatient treatment. However, categorical PD endured in 100% of those receiving inpatient care. The study supports that, in late teenage outpatients, the 2-year stability of the global category of PD is high and the stability of dimensionally rated PD appears to be similar to that found in young adults in a variety of settings, especially for some cluster A and B PDs. Diagnosis and early intervention appears to be justified in this age group. 相似文献
864.
Roberts NA Beer JS Werner KH Scabini D Levens SM Knight RT Levenson RW 《Cognitive, affective & behavioral neuroscience》2004,4(3):307-316
Damage to the orbital prefrontal cortex has been implicated in selectively diminishing electrodermal autonomic nervous system
responses to anticipated punishing stimuli (e.g., losing money; Bechara, Damasio, & Damasio, 2000), but not to unanticipated
punishing stimuli (e.g., loud noises; Damasio, Tranel, & Damasio, 1990). We extended this research by examining the effects
of orbitofrontal damage on emotional responses to unanticipated and anticipated acoustic startles and collecting a more extensive
set of physiological measures, emotional facial behavior, and self-reported emotional experience. Consistent with previous
research, patients showed intact physiology to an unanticipated startle but failed to show appropriate anticipatory cardiovascular
responses (patients’ heart rates decreased, controls’ increased). In addition, patients displayed more surprise facial behavior
and reported marginally more fear than did controls in response to the unanticipated startle. Thus, orbitofrontal damage may
compromise the ability to anticipate physiologically the onset of aversive stimuli, despite intact or enhanced emotional responses
when such stimuli occur unexpectedly. 相似文献
865.
Patterns of interference in sequence learning and prism adaptation inconsistent with the consolidation hypothesis 总被引:8,自引:1,他引:7 下载免费PDF全文
The studies reported here used an interference paradigm to determine whether a long-term consolidation process (i.e., one lasting from several hours to days) occurs in the learning of two implicit motor skills, learning of a movement sequence and learning of a visuo-motor mapping. Subjects learned one skill and were tested on that skill 48 h later. Between the learning session and test session, some subjects trained on a second skill. The amount of time between the learning of the two skills varied for different subjects. In both the learning of a movement sequence and the learning of a visuo-motor mapping, we found that remote memories were susceptible to interference, but the passage of time did not afford protection from interference. These results are inconsistent with the long-term consolidation of these motor skills. A possible difference between these tasks and those that do show long-term consolidation is that the present tasks are not dynamic motor skills. 相似文献
866.
The Minnesota Multiphasic Personal Inventory-Adolescent Structural Summary factor scores for 655 male juvenile delinquents were determined. These Structural Summary scores were compared to the Structural Summary scores in the normative sample of boys. Elevations on Factor 2 (Immaturity) were most characteristic, with half of delinquents' scores being elevated by at least one standard deviation. Discriminant analyses suggested that linear combinations of the Structural Summary scores are as capable of distinguishing between the normative and delinquent samples as were linear combinations of the clinical scales. Furthermore, use of Structural Summary scores provided incremental validity in distinguishing between the two samples, increasing positive predictive power by 20% to 40% as compared to use of only the clinical, content, and supplementary scales. 相似文献
867.
Utsey SO Chae MH Brown CF Kelly D 《Cultural diversity & ethnic minority psychology》2002,8(4):366-377
This study examined the effect of ethnic group membership on ethnic identity, race-related stress, and quality of life (QOL). The Multigroup Ethnic Identity Measure, the Index of Race Related Stress--Brief Version, and the World Health Organization Quality of Life--Brief Version were administered to 160 male and female participants from 3 ethnic groups (African American, Asian American, and Latino American). Results indicated that African American participants had significantly higher race-related stress, ethnic identity, and psychological QOL scores than did Asian and Latino American participants. A stepwise multiple regression analysis revealed that ethnic identity and cultural racism were significant predictors of QOL and accounted for 16% of the total variance for the entire sample. 相似文献
868.
869.
This report presents outcome data collected for a three-year period from a maximum-security forensic psychiatric program. Admission and discharge variables, restraint/seclusion, and client abuse/neglect data are presented from a one-year period that preceded the advent of the Behavior Management Treatment Program's (BMTP's) Social Learning Diagnostic Program to two years after implementing the Social Learning Diagnostic Program. Significant overall progress and improvement was observed in all variables analyzed after instituting a social learning program paradigm. This report provides a brief summary of the BMTP's Social Learning Diagnostic Program along with a discussion of the role played by Dangerousness Management Plans in the treatment of patients within the social learning milieu. Additionally the patient population served, and the rationale for implementation of a program based in social learning theory, are discussed. 相似文献
870.
Coping, Conflictual Social Interactions, Social Support, and Mood Among HIV-Infected Persons 总被引:7,自引:0,他引:7
Fleishman JA Sherbourne CD Crystal S Collins RL Marshall GN Kelly M Bozzette SA Shapiro MF Hays RD 《American journal of community psychology》2000,28(4):421-453
This study considers the interrelationships among coping, conflictual social interactions, and social support, as well as their combined associations with positive and negative mood. Research has shown that each of these variables affects adjustment to stressful circumstances. Few studies, however, examine this full set of variables simultaneously. One hundred forty HIV-infected persons completed a questionnaire containing measures of coping, social support, conflictual social interactions, and positive and negative mood. Factor analyses showed that perceived social support and conflictual social interactions formed separate factors and were not strongly related. Compared to perceived social support, social conflict was more strongly related to coping behaviors, especially to social isolation, anger, and wishful thinking. Conflictual social interactions were more strongly related to negative mood than was perceived social support. Coping by withdrawing socially was significantly related to less positive and greater negative mood. The findings point to the importance of simultaneously considering coping, supportive relationships, and conflictual relationships in studies of adjustment to chronic illness. In particular, a dynamic may occur in which conflictual social interactions and social isolation aggravate each other and result in escalating psychological distress. 相似文献