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281.
Robert S Astur Sarah A St Germain David Tolin Julian Ford David Russell Mike Stevens 《Cyberpsychology & behavior》2006,9(2):234-240
Post-traumatic stress disorder (PTSD) is often accompanied by memory problems and abnormal brain structure, particularly within the hippocampus. We implemented a cross-species, hippocampal-dependent task--the virtual Morris Water task--to assess hippocampal function in people with PTSD and age-matched controls during functional magnetic resonance imaging (fMRI). Performance on the task was equivalent between the groups. However, when correlating fMRI-derived hippocampal activity during this task with PTSD severity, we observe a -0.84 correlation, indicating that those with reduced hippocampal activity show more severe PTSD symptoms. This correlation is not explained by differences in task performance, IQ, duration since trauma, nor time with PTSD. Hence, PTSD severity is predicted by functionally assessing the hippocampus using the virtual Morris water task, suggesting that this task may be used to identify those at risk for developing PTSD following a trauma. 相似文献
282.
Lisa A. Harrison Chiesha M. Stevens Adrienne N. Monty Christine A. Coakley 《Social Psychology of Education》2006,9(3):341-357
This research examined whether socioeconomic stereotypes produce stereotype threat among lower, middle, or upper income college
students who are either White or non-White. Before completing an academic test, participants were either told that the purpose
of the research was to understand why lower income students generally perform worse on academic tests or to examine problem-solving
processes. Results showed that lower income students exposed to stereotype threat experienced greater test anxiety and performed
worse on the academic test than their middle income and higher income counterparts. However, lower income students who experienced
stereotype threat exerted as much effort on the test as lower income students who did not experience stereotype threat. Nonetheless,
they were less likely to identify with school-related subjects. Stereotype threat and reduced performance did not influence
lower income students’ self-esteem. Participant race did not influence these findings. The research is discussed in light
of cognitive dissonance theory.
Portions of the results were presented at the 2004 American Psychological Society Conference, Chicago, IL.
Lisa A. Harrison is an assistant professor of psychology at California State University, Sacramento. Her research interests
include stereotypes and prejudice, gender role norms and female athletes, and the influence of
social identity on judgments of interpersonal violence. E-mail: lharriso@csus.edu
Chiesha M. Stevens is currently working toward her MA in industrial/organizational psychology at California State University, Long Beach
Adrienne N. Monty is currently working toward her MA in psychology at California State University, Sacramento
Christine Coakley received her BA in psychology from California State University, Sacramento where she is currently working toward her MA in
industrial/organizational psychology. Her research interests include stereotype threat, optimism, motivation and employee
burnout in special education. E-mail: Sac78629@saclink.csus.edu 相似文献
283.
Willem‐Jan Verhoeven Lonneke Stevens 《Journal of Investigative Psychology & Offender Profiling》2012,9(1):69-92
In many European countries, providing a suspect in custody with legal aid before the first police interrogation is a heavily debated issue. In this paper, we report on an exploratory study on the use of coercion by the police and the use of the right to silence by suspects in 70 Dutch homicide cases and their relation to prior consultation and presence of a lawyer. Analysis of the data indicates that there is a relation between the presence of a lawyer in the interrogation room and the way in which police interrogators use coercion. To gain insight into whether the police use coercion and how this is achieved, we looked at the extent to which the interrogators make use of certain interrogation techniques and how the interrogation techniques are used to exert coercion. We found that legal advice from a lawyer before and during the interrogation corresponds with suspects more often using their right to silence. It also appears that the police are inclined to use ‘hard coercion’ when confronted with a silent suspect. The research thus raises the question as to whether the presence of a lawyer is an adequate way to prevent false confessions. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
284.
Wong A Rodríguez M Quevedo L Fernández de Cossío L Borges A Reyes A Corral R Blanco F Alvarez M 《Assessment》2012,19(3):383-387
There is a current debate about the ecological validity of executive function (EF) tests. Consistent with the verisimilitude approach, this research proposes the ballet executive scale (BES), a self-rating questionnaire that assimilates idiosyncratic executive behaviors of classical dance community. The BES was administrated to 149 adolescents, students of the Cuban Ballet School. Results present a Cronbach's alpha coefficient of .80 and a split-half Spearman-Brown coefficient r (SB) = .81. An exploratory factor analysis describes a bifactorial pattern of EF dimensions, with a self-regulation component, which explains more than 40% of variance, and a Developmental component, which accounts for more than 20% of variance. The questionnaire's total scores fit linear regression models with two external criteria of academic records, confirming concurrent validity. These findings support the hypothesis that the internalization of specific contextual cultural meanings has a mediating influence in the development of EF. 相似文献
285.
The present study investigated the learning of a culturally unfamiliar musical rhythm, leading to the development of temporal
expectations, and it explored the potential for generalization across tempi and tasks. With that aim, we adapted the serial
reaction time task to examine the learning of temporal structures by an indirect method. The temporal pattern employed was
based on a complex interval ratio (2:3) and compared to one based on a simple interval ratio (1:2). In the exposure phase,
non-musician participants performed a two-choice speeded discrimination task that required responding by key press to each
event of the simple or complex auditory pattern. Participants were not informed about the temporal regularities; their task
solely concerned the discrimination task. During exposure (Experiments 1–3), response times decreased over time for both temporal
patterns, but particularly for the events following the longer interval of the more complex 2:3 pattern. Exposure further
influenced performance in subsequent testing phases, notably the precision of tap timing in a production task (Experiment
2) and temporal expectations in a perception task (Experiment 3). Our findings promote the new paradigm introduced here as
a method to investigate the learning of temporal structures. 相似文献
286.
Detoxified alcoholic men (n = 76) and women (n = 72) and nonalcoholic control men (n = 50) and women (n = 51) were given a structured interview that assessed five categories of physical health: medical history, alcohol-related disorders, trauma history, drug use history, and, for females, female-related disorders. Approximately half the subjects in each group were family history positive for alcoholism. Significant differences between alcoholics and controls were found for all five categories; family history effects were significant for four of the five categories, and sex differences were present in two categories. The results indicate that (a) alcoholics suffer pervasive physical health difficulties, (b) a family history of alcoholism is predictive of health problems in both alcoholics and controls, (c) the effects of alcohol abuse and family history of alcoholism on health appear to be independent and additive, and (d) women may be more "illness prone" than men and exhibit an increased vulnerability to the adverse effects of alcoholism. 相似文献
287.
Olfactory adaptation and recovery in old age 总被引:3,自引:0,他引:3
Four experiments are reported in which it is shown that elderly adults are more prone than young adults to olfactory adaptation and are slower to recover threshold sensitivity. The first three experiments differed in detail, but had in common an initial threshold determination for 1-butanol, a 30 s exposure to a concentration twenty-seven times threshold, followed by repeated presentation of the initial threshold level at various intervals after adaptation. In three experiments accuracy of forced-choice discrimination was poor immediately after adaptation but tended to improve with time, and considerably faster in the young than in the elderly. In the fourth experiment, groups of twenty-three elderly and twenty-five young subjects threshold-matched for pyridine were compared. The subjects participated in three sessions in which pyridine was infused into a test chamber at either 2.5, 1.25, or 0 L min-1 (sham session). At 2.5 L min-1 both groups were able to track the buildup of odor intensity during infusion and its decline after infusion. In contrast, at 1.25 L min-1 only the young were able to track odor intensity, even though the concentration rose above initial threshold levels. 相似文献
288.
This study examined contributions of the following variables to postpartum depressive symptomatology: level of antepartum depression, loss of social reinforcement, assertiveness, sex-role orientation, and work plans. The Beck Depression Inventory (BDI), Pleasant Events Schedule (PES), Assertion Inventory, and Bem Sex Role Inventory (BSRI) were administered to 69 women during the eighth month of pregnancy. One month after delivery, subjects were administered the PES, postdelivery questionnaire, and BDI. A hierarchical regression analysis revealed that antepartum BDI scores predicted postpartum depressive symptomatology, and BSRI Femininity scores and work plans were significant negative predictors. A one-way analysis of variance of sex role orientation on postpartum BDI scores showed that undifferentiated women reported more depression than other sex role groups. 相似文献
289.
Cynthia Kay Stevens Terence R. Mitchell Thomas M. Tripp 《Journal of applied social psychology》1990,20(13):1076-1092
This study examined the relative effectiveness of three different verbal recruitment strategies (opinion conformity, other enhancement, and self-enhancement) presented in different orders. Sixty undergraduates viewed three recruiters, each of whom used a different recruitment strategy to describe a hypothetical graduate program. Participants rated their impressions of each recruiter and then decided which program to attend. Results indicated that presentation order significantly affected participants' ratings of the opinion conforming and self-enhancing recruiters. Furthermore, although participants generally preferred the other enhancing and opinion conforming recruiters, this preference did not translate into a decision to attend the other enhancer's university. Implications for both the recruitment and impression management literatures are discussed. 相似文献
290.