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211.
This study investigated the differential influence of hypnotic susceptibility level on signal detection task (SDT) performance
in waking and hypnotic conditions. As assessed by the Harvard Group Scale of Hypnotic Susceptibility, Form A (HGSHS: A) and
the Stanford Hypnotic Susceptibility Scale, Form C (SHSS: C), 20 high (9–12), 20 medium (4–8), and 20 low (0–3) hypnotizables
participated. In counterbalanced conditions of waking and hypnosis, Ss (Subjects) were given 36 signal detection trials, consisting
of 12 strong signals, 12 weak signals, and 12 “no” signals. No differences were observed in the waking condition between low,
medium, and high hypnotizables on strong and weak signal trials. In hypnosis, high hypnotizables exhibited significantly superior
performance on the strong signal trials in comparison with low hypotizables, and performed significantly better on the weak
signal trials than did the low and medium hypnotizables. Low and medium hypnotizables performed similarly in waking and hypnotic
conditions, while high hypnotizables showed significant enhancements in performance for strong and weak signal trials during
hypnosis.
This research was supported, in part, by a grant from Fort Hays State University. 相似文献
212.
Hope M. Hill Ph.D. Monique Levermore M.A. James Twaite Ph.D. Lauren P. Jones Ph.D. 《Journal of child and family studies》1996,5(4):399-414
We examined the effects of exposure to violence and social support on self-reported state and trait anxiety and parental rated problem behaviors among school-aged African-American children in low and high violence areas. Ninety-seven (97) fourth through sixth graders and their parents were interviewed about exposure to community violence, social support, and state and trait anxiety. Results indicate that trait anxiety was correlated positively with exposure to violence and negatively with social support. State anxiety was correlated negatively with family social support. Problem behaviors were correlated negatively with family support and income. Hierarchial multiple regression analyses indicated that children's reports of their exposure to community violence continued to explain significant variability in trait anxiety, and problem behavior after controlling for both income and social support measures. Social support from peers, family and teachers played differential roles in predicting problem behaviors among children from high and lower violence areas. These findings suggest that in planning intervention programs for children exposed to violence, greater attention to empowering parents to support their children, to fostering peer group support, and to bolstering teacher support may be useful, but attention to the underlying socio-political causes of violence exposure is essential. 相似文献
213.
James D. Stoehr Sherri L. Mobley Daschelle Roice Rachel Brooks Lauren M. Baker Ronald G. Wiley Gary L. Wenk 《Neurobiology of learning and memory》1997,67(3):214-227
The effects of selective cholinergic cell loss within the basal forebrain (BF) were determined using a task that requires shifting of attention between two visual stimuli. Discriminability between two stimuli and response bias were determined in young and old F-344 rats given BF injections of IgG-192 saporin (100 ng). The lesion reduced ChAT activity in the frontal and parietal cortices, hippocampus, and olfactory bulbs. The lesion did not significantly alter Na+/K+-ATPase activity in cortex, hippocampus, or olfactory bulbs, or endogenous levels of neuropeptide Y and neurokinin B within the BF. The BF lesions impaired both stimulus discriminability and response bias in young and old rats. The BF lesions had a significantly greater effect upon stimulus discriminability and response bias in aged rats, compared to young rats, only when the stimulus duration was very brief, i.e., when the task was most difficult to solve. At longer stimulus durations, aging and lesions showed no interaction. The results suggest that the selective loss of cholinergic cells in the BF, but not normal aging, impairs the ability to discriminate between independent sensory stimuli. The loss of these cells confers a response bias in simple operant tasks involving motor responses to reward-related visual stimuli. 相似文献
214.
Brett Silverstein Elizabeth McKoy Joanne Clauson Lauren Perdue Jill Raben 《Journal of applied social psychology》1995,25(1):35-48
The relationship between depression and somatic symptoms such as headache has never been explained. Both depression and headache appear to become more prevalent among women than among men only for cohorts that reach adolescence during periods of great change in opportunities for a female's academic achievement. In Studies 1a and 1b, the same pattern was found to apply to the correlation between depression and headache. In Studies 2a and 2b, self-report measures of depression and headache were found to share significant variance only among female adolescents who reported concerns regarding the limited achievements of their mothers. These females may view the roles of adult women as being limited and may experience stress and low self-esteem associated with depressive and somatic symptomatology. 相似文献
215.
In the studies reported here, females were more likely than males to report high levels of depression accompanied by anxiety and somatic symptomatology such as disordered eating and headache, but not more likely to report depression unaccompanied by these symptoms. This gender difference in depression prevalence and the symptomatology associated with depression was due to a subgroup of females who scored high on scales comprised of items measuring concerns about the limitations placed on their achievement (sample item: “More people would pay attention to my ideas if I were male”) or on their mothers (sample: “When you were growing up, how much did your mother feel limited by being female?”) due to responses to their gender. 相似文献
216.
Lauren S. Kim Irwin N. Sandler Jenn-Yun Tein 《Journal of abnormal child psychology》1997,25(2):145-155
This paper examined the stress moderator and mediator effects of four dimensions of perceived control in children of divorce. The dimensions of locus of control included internal control for positive events, internal control for negative events, unknown control for positive events, and unknown control for negative events. The sample consisted of 222 children between the ages of 8 and 12 whose parents had divorced in the previous 2 years. Moderational analyses showed that unknown control for positive events interacted with negative events to predict total symptoms. Plots of the simple slopes indicated a stress buffering effect whereby the slope of negative events on symptoms was higher for high than for low levels of unknown control for positive events. Mediational analysis showed that the relations between negative events and symptoms were mediated by both unknown control for positive events and unknown control for negative events. In contrast, evidence was not found for either a stress mediational or a moderational model for perceived internal control for positive or negative events. These results suggest that unknown control beliefs may be a particularly important dimension of control for children of divorce. 相似文献
217.
Lauren Braswell Gerald J. August Michael L. Bloomquist George M. Realmuto Stacy S. Skare Ross D. Crosby 《Journal of abnormal child psychology》1997,25(3):197-208
First through fourth graders from 22 suburban elementary schools were screened for cross-setting disruptive behavior as eligibility criteria for participation in a longitudinal secondary prevention study aimed at reducing the risk for serious externalizing behavioral disorders. Three hundred nine subjects participated in either a multicomponent competence enhancement intervention (MCEI) or an information/attention control (IAC) condition over a 2-year period. Following baseline measurements, initial intervention effects were assessed at the end of intervention Year 1, at the beginning of intervention Year 2 (fall of the next school year), and at the end of intervention Year 2. Multisource assessments were not supportive of the efficacy of the MCEI over the IAC condition. Children in both groups rated themselves as improved over time in terms of increased adaptive skills and decreased school problems and internalizing symptoms. Teacher and parent ratings of externalizing behavior did not yield evidence of positive change, but teachers noted improved problem solving and observers noted a decrease in behavioral interference in both groups over time, possibly as a result of maturation. 相似文献
218.
219.
This study attempts to replicate an experiment reported by Seamon (1972). In the present investigation, as in the study by Seamon, the scanning of short-term memory was compared when its contents were rehearsed words vs. a mental image. Memory sets were composed of either one, two, or three words. In the relational imagery group, subjects were required to form a single interactive mental scene of the entities which the memory set words represent. Nonimagery subjects were given instructions to covertly rehearse the memory set. In both groups, the usual memory set size (m) effect was obtained, i.e., reaction time (RT) increased linearly with m. Moreover, the set size effect was the same for both groups. This latter finding stands in marked contrast to the result obtained by Seamon; he found no effect of set size when subjects were given interactive imagery instructions. Because of the failure to replicate Seamon, an additional group of subjects were given imagery instructions. For this latter group, some of the procedural discrepancies between the relational imagery group of the present study and the corresponding group in Seamon’s study were resolved. Also, in this additional group, the set size effect was examined as a function of the subjects’ ratings of the quality of the images which they had formed. The same set size effect was found for this additional group, and the effect was independent of image quality. 相似文献
220.
Eight specific list scanning models are developed and relationships between predictions of contrasting models (serial versus parallel search, self-terminating versus exhaustive processing) are investigated. All models assume that items contained in a list are uniquely defined by specific features, and that the only process by which two items may be tested for equality is to compare corresponding features. All models predict RT to be linearly related with list length when no subject errors occur. With errors, some models predict theoretical nonlinearity but sample calculations indicate that deviation from linearity is slight in many cases. The importance of coding strategy is also discussed. 相似文献