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411.
Morton J. Mendelson Marshall M. Haith Patricia S. Goldman-rakic 《Behavior research methods》1981,13(6):709-712
This paper describes the use of an infrared corneal reflection technique to monitor visual activity in infant rhesus monkeys. To establish the validity of the method, calibration data were collected and a mathematical correction for systematic sources of error was used. 相似文献
412.
413.
Post-retrieval beta-adrenergic receptor blockade: effects on extinction and reconsolidation of cocaine-cue memories 下载免费PDF全文
Contexts and discrete cues associated with drug-taking are often responsible for relapse among addicts. Animal models have shown that interference with the reconsolidation of drug-cue memories can reduce seeking of drugs or drug-paired stimuli. One such model is conditioned place preference (CPP) in which an animal is trained to associate a particular environment with the rewarding effects of a drug. Previous work from this laboratory has shown that intra-nucleus accumbens core infusions of a MEK inhibitor can interfere with reconsolidation of these drug-cue memories. A question that remains is whether post-retrieval drug effects on subsequent memories represent an interference with reconsolidation processes or rather a facilitation of extinction. In this experiment, we explore the effect of post-retrieval injections of propranolol, a beta-adrenergic receptor antagonist, on reconsolidation and extinction of cocaine CPP. After acquisition of cocaine CPP, animals were given post-retrieval propranolol injections once or each day during a protocol of unreinforced preference tests, until the animals showed no preference for the previously cocaine-paired environment. Following a cocaine priming injection, the animals that received daily post-test propranolol injections did not reinstate their preference for the drug-paired side. In contrast, a single post-retrieval propranolol injection followed by multiple days of unreinforced preference tests failed to blunt subsequent cocaine reinstatement of the memory. These data suggest that daily post-retrieval systemic injections of propranolol decrease the conditioned preference by interfering with reconsolidation of the memory for the association between the drug-paired side and the reinforcing effects of the drug, rather than facilitating new extinction learning. 相似文献
414.
In this study, we examined the validity and clinical utility of the MMPI-2 (Butcher, Graham, Tellegen, Dahlstrom, & Kaemmer, 2001) Malingering Depression scale (Md) in relation to the MMPI-2 F scales (F, F(B), F(P)) to detect feigned depression. Overall, the F(B) scale and the F/F(P) scale combination were the best single predictors, although the Md scale did discriminate successfully cases of feigned depression from patients with bona fide depression. The Md scale added predictive capacity over the F scales, and the F(B) scale and the F/F(P) scale combination added predictive capacity over the Md scale; however, the actual increase in the number of cases predicted was minimal in each instance. In sum, although the Md scale is able to detect accurately feigned depression on the MMPI-2 (predictive validity), it does not confer a distinct advantage (incremental validity) over the existing standard validity scales-F, F(B), and F(P). 相似文献
415.
Gregor Lange Declan Sheerin Alan Carr Barbara Dooley Victoria Barton David Marshall Aisling Mulligan Maria Lawlor Mary Belton Maeve Doyle 《Journal of Family Therapy》2005,27(1):76-96
Few well-controlled studies have identified psychosocial profiles of families of boys with ADHD and boys with emotional disorders compared with normal controls. However, the clinical and theoretical literature pinpoints four domains in which distinctive profiles would be expected to occur. In this study, twenty-two mothers and thirteen fathers of twenty-two boys with ADHD; twenty mothers and fifteen fathers of twenty boys with a mood or anxiety disorder; and twenty-six mothers and sixteen fathers of twenty-seven normal controls were compared on: (1) stress, support and quality of life; (2) current family functioning; (3) parenting style and satisfaction in the family of origin and current family; and (4) current and past parental functioning. The two clinical groups showed higher levels of stress and lower levels of both social support and quality of life than did normal controls. Both clinical groups showed deficits in current family functioning, but contrary to expectations the ADHD and emotional disorder group did not show distinctly different profiles. Parents of ADHD children reported higher levels of authoritarian parenting styles, and parents from both clinical groups reported less parenting satisfaction than did normal controls in both their current families and their families of origin. Parents of children with ADHD and emotional disorders reported greater parenting satisfaction in their families of origin than in their current families. This discrepancy was greatest for parents of ADHD children. Parents of children with ADHD and emotional disorders reported greater psychological health problems and more childhood ADHD symptomatology than did normal controls. Parents of children with ADHD and emotional disorders have significant psychosocial difficulties in family and personal functioning. Family intervention is highly appropriate for families with children who are referred for help with both types of difficulties. 相似文献
416.
A growing global concern about suicide attacks has led to attempts from various disciplines to understand the psychological profiles of persons willing to commit suicide terrorist attacks. Recent reports have suggested that more powerful explanatory models might be discovered using social psychological concepts, with a shift of focus from the individual to the group within which the individual acts and by which the individual is influenced. This paper attempts to do so by presenting an analysis of the Al Qaeda ‘final instructions’ document, which sheds light on the way members of this group were mobilised towards conducting one of the most devastating assaults in modern history. We discuss the use of religious doctrine and rhetorical devices as a psychological strategy employed by this group to inspire, control and mobilise its members before and during the September 11, 2001, attacks. 相似文献
417.
418.
Posttraumatic stress disorder symptoms, physiological reactivity, alcohol problems, and aggression among military veterans 总被引:1,自引:0,他引:1
Taft CT Kaloupek DG Schumm JA Marshall AD Panuzio J King DW Keane TM 《Journal of abnormal psychology》2007,116(3):498-507
This study examined the association between posttraumatic stress disorder (PTSD) symptomatology and aggressive behavior among a sample of male Vietnam veterans (N = 1,328). Results indicated that the hyperarousal PTSD symptom cluster evidenced the strongest positive association with aggression at the bivariate level when compared with the other PTSD symptom clusters. When the PTSD symptom clusters were examined together as predictors, hyperarousal symptoms evidenced a significant positive relationship with aggression, and avoidance/numbing symptoms were negatively associated with aggression. Examination of potential mediators indicated that hyperarousal symptoms were directly associated with aggression and indirectly related to aggression via alcohol problems. Reexperiencing symptoms were associated with aggression only indirectly and through their positive association with physiological reactivity and negative association with alcohol problems. Study results highlight the complexity of the relationship between PTSD symptoms and aggression, and suggest possible mechanisms explaining this association. 相似文献
419.
The present study examined selected demographic and offense history variables and deviant sexual arousal as predictors of reoffense in a group of 35 untreated child molesters. The measure of deviant sexual arousal was based on laboratory measures of sexual preference using penile plethysmography. Factor analysis of the predictor variables yielded three factors. The measure of deviant arousal, the amount of force used in the offense, whether or not the offender had intercourse with the child victim, and the number of previous victims loaded on the first factor, called Sexual Deviance. IQ and socioeconomic status loaded on the second factor, called Social Status. Age of the offender and age of the victim loaded on the third factor, called Offender Age. Entering the sets of three factor scores as predictors in a multiple correlation, over 20% of the variance in recidivism was explained, but the factor Sexual Deviance was the only significant predictor of recidivism (p < .02). Almost 30% of the variance in number of reoffenses was explained, and both Sexual Deviance (p < .01) and Social Status (p < .10) were significant predictors. A cluster analysis identified a group of offenders characterized by low SES and low IQ who also showed higher sexual deviance scores and a high rate of reoffense. 相似文献
420.