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141.
The present review is dedicated to the work of B.S. Mc Ewen on the regulatory effects of steroid hormones on peptidergic neurotransmission in the brain and pituitary. The focus is on the discoveries encompassing almost two decades of work on the central and neuroendocrine regulation of vasoactive intestinal peptide (VIP) by both corticosteroids and estrogens. 相似文献
142.
In the total population of 75 subjects, the skin albedo correlated significantly with skin resistance, a relationship which was not maintained when the total population was separated into its component subgroups of whites, blacks and Indians. The Indians, “anthropologically Caucasians” but skin color more akin to the blacks, exhibited mean skin reflectance and skin resistance intermediate to that obtained in the black and white groups respectively. Other differences and significant correlations between the autonomic functions in the three groups indicated a higher level of sympathetic tone in the Indians, although this could be attributed to the older age of this group. It was suggested from the results that skin color rather than race has a greater influence on skin resistance. 相似文献
143.
Recent research has recognized that many people simultaneously hold positive and negative attitudes about important political issues. This paper reviews the concept of attitudinal ambivalence and introduces a survey measure of ambivalence adapted from the experimental literature. An analysis of two statewide telephone surveys of Florida voters reveals that (1) a number of voters have ambivalent attitudes about abortion rights; (2) the amount of ambivalence varies according to the circumstances (elective versus traumatic) under which an abortion is obtained; (3) ambivalence about elective abortions is essentially unrelated to ambivalence about traumatic abortions; (4) voters who support abortion rights are more ambivalent about elective abortions than about traumatic abortions, whereas the pattern is reversed for abortion rights opponents; and (5) extreme views in support of or opposition to abortion rights can sometimes mitigate the amount of ambivalence felt by voters. 相似文献
144.
Michael N. Kane 《Pastoral Psychology》2008,57(3-4):183-198
This study used structured interviews to investigate (1) priest-respondents’ perceptions and attitudes toward bishops since 2002, (2) priest-respondents’ perceptions and attitudes toward their diocese, ministry, and vocation, (3) priest-respondents’ changes in ministerial activities as a result of codes of pastoral conduct, (4) priest-respondents’ personal feelings of competence regarding the codes of pastoral conduct, and (5) priest-respondents’ feelings of support since 2002. Using snowball sampling techniques, 22 Catholic priests were interviewed in 2006 and 2007. These respondent-priests perceived a significant barrier between themselves and bishops. While respondents’ attitudes toward the priesthood and their vocations had not changed, they were less trusting of their bishops. Finally, most had made significant accommodation to the manner in which they minister to parishioners, especially to young people. Respondents indicated that they were less likely to become involved in pastoral counseling, developing social relationships with parishioners, and other non-liturgical activities. Respondents indicated that they were far less likely to engage in pastoral activities that might compromise their future ministry or result in suspicion or an allegation. 相似文献
145.
146.
Although a developing body of literature suggests that depressive symptoms in fathers are related to child psychopathology,
little evidence suggests that paternal depression plays a unique role in children’s symptoms. We used a high-risk design involving
children of mothers with and without histories of depression to test the unique mediating role of father–child conflict in
the relations between fathers’ depressive symptoms and child externalizing and internalizing symptoms. In all regression analyses,
mothers’ history of depression and current depressive symptoms were controlled. Depressive symptoms in fathers were associated
with child externalizing and internalizing symptoms, and father–child conflict. Father–child conflict mediated relations between
fathers’ depressive symptoms and child externalizing symptoms above and beyond the effects of maternal depression history
and depressive symptoms. The results suggest that negative interpersonal consequences of parental depression on child psychopathology
may not be limited to mothers. 相似文献
147.
Jennifer C. McVay Michael J. Kane Thomas R. Kwapil 《Psychonomic bulletin & review》2009,16(5):857-863
In an experience-sampling study that bridged laboratory, ecological, and individual-differences approaches to mind-wandering
research, 72 subjects completed an executive-control task with periodic thought probes (reported by McVay & Kane, 2009) and
then carried PDAs for a week that signaled them eight times daily to report immediately whether their thoughts were off task.
Subjects who reported more mind wandering during the laboratory task endorsed more mind-wandering experiences during everyday
life (and were more likely to report worries as off-task thought content). We also conceptually replicated laboratory findings
that mind wandering predicts task performance: Subjects rated their daily-life performance to be impaired when they reported
off-task thoughts, with greatest impairment when subjects’ mind wandering lacked metaconsciousness. The propensity to mind
wander appears to be a stable cognitive characteristic and seems to predict performance difficulties in daily life, just as
it does in the laboratory 相似文献
148.
Kane MJ Conway AR Miura TK Colflesh GJ 《Journal of experimental psychology. Learning, memory, and cognition》2007,33(3):615-622
The N-back task requires participants to decide whether each stimulus in a sequence matches the one that appeared n items ago. Although N-back has become a standard "executive" working memory (WM) measure in cognitive neuroscience, it has been subjected to few behavioral tests of construct validity. A combined experimental- correlational study tested the attention-control demands of verbal 2- and 3-back tasks by presenting n = 1 "lure" foils. Lures elicited more false alarms than control foils in both 2- and 3-back tasks, and lures caused more misses to targets that immediately followed them compared with control targets, but only in 3-back tasks. N-back thus challenges control over familiarity-based responding. Participants also completed a verbal WM span task (operation span task) and a marker test of general fluid intelligence (Gf; Ravens Advanced Progressive Matrices Test; J. C. Raven, J. E. Raven, & J. H. Court, 1998). N-back and WM span correlated weakly, suggesting they do not reflect primarily a single construct; moreover, both accounted for independent variance in Gf. N-back has face validity as a WM task, but it does not demonstrate convergent validity with at least 1 established WM measure. 相似文献
149.
For whom the mind wanders, and when: an experience-sampling study of working memory and executive control in daily life 总被引:3,自引:0,他引:3
Kane MJ Brown LH McVay JC Silvia PJ Myin-Germeys I Kwapil TR 《Psychological science》2007,18(7):614-621
An experience-sampling study of 124 undergraduates, pretested on complex memory-span tasks, examined the relation between working memory capacity (WMC) and the experience of mind wandering in daily life. Over 7 days, personal digital assistants signaled subjects eight times daily to report immediately whether their thoughts had wandered from their current activity, and to describe their psychological and physical context. WMC moderated the relation between mind wandering and activities' cognitive demand. During challenging activities requiring concentration and effort, higher-WMC subjects maintained on-task thoughts better, and mind-wandered less, than did lower-WMC subjects. The results were therefore consistent with theories of WMC emphasizing the role of executive attention and control processes in determining individual differences and their cognitive consequences. 相似文献
150.
In two experiments, we tested whether individual differences in strategy production account for individual differences in performance on a working memory span task. We measured the strategies used during a standard experimenter-paced operation span (OSPAN) task by having participants make both set-by-set reports of strategy use for individual item sets and global reports of strategy use. In Experiment 1, although normatively effective strategies were self-reported on only a small proportion of OSPAN sets, individual differences in effective strategy use correlated with span performance. Experiment 2 replicated this outcome using a sample of 100 participants but, as important, it demonstrated that individual differences in effective strategy use did not mediate the relationship between OSPAN and measures of verbal ability. Discussion focuses on the interpretation of strategy-span relationships and the relative utility of general reports of strategy use versus the set-by-set reports introduced here for the OSPAN task. 相似文献