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Two experiments were conducted in which participants (N = 12, Experiment 1; N = 12, Experiment 2) performed rapid aiming movements with and without visual feedback under blocked, random, and alternating feedback schedules. Prior knowledge of whether vision would be available had a significant impact on the strategies that participants adopted. When they knew that vision would be available, less time was spent preparing movements before movement initiation. Participants also reached peak deceleration sooner but spent more time after peak deceleration adjusting limb trajectories. Consistent with those findings, analysis of spatial variability at different points in the trajectory indicated that variability increased up to peak deceleration but then decreased from peak deceleration to the end of the movement. 相似文献
155.
We evaluated the contribution of attentional strategy to the perception of self-orientation with and without a body tilt in the median plane. Reinking et al (1974 Journal of Personality and Social Psychology 30 807-811) found that the frame dependence of females on the rod-and-frame test could be mediated by instructions prompting them to focus on internal cues (ie arising from inside of the body). Here, we measured the influence of attentional instructions on the perception of the morphological horizon. Eleven females and thirteen males estimated their morphological horizon in an upright and a 45 degrees body tilt in the median plane under three instruction conditions. All participants first performed without attentional instructions. Then, participants performed under both internal and external attentional instructions. For females, but not for males, perception of morphological horizon was more footward in the supine than in the upright orientation. Although instructions did not eliminate gender differences, internal instructions allowed females to reduce their perceptual bias in the supine orientation. 相似文献
156.
Personal goals in social roles: divergences and convergences across roles and levels of analysis 总被引:1,自引:0,他引:1
Most contemporary personal goal research aggregates across goals, perhaps masking important differences between goals. We assessed this risk by examining both similarities and differences between the goals that participants pursued in five important social roles. Previous relevant findings (Cantor, Norem, Niedenthal, Langston, & Brower, 1987) and self-determination theory (Deci & Ryan, 1985) were used to predict between-role differences in goal appraisal dimensions. Although theoretically meaningful differences were found across child, employee, romantic, friendship, and student goals, and also across within- and between-subject levels of analysis, all goals were essentially the same in one important way: Making longitudinal progress in them predicted positive change in accompanying role-circumstances and role-satisfaction (excepting friendship goals). This indicates that researchers do not necessarily lose information by aggregating, and affirms that goal-attainment is generally desirable. 相似文献
157.
Cohen ED 《The International journal of applied philosophy》2003,17(2):253-265
Confidentiality in psychological counseling is necessary if clients are to feel comfortable in revealing their darkest secrets. But this bond of trust has its moral limits. These limits are crossed in some cases in which HIV positive clients are sexually active with unsuspecting third parties. Distinguishing between Type 1 and Type 2 cases, the author shows how he has used applied ethics in drafting and defending a model rule for the American Counseling Association's Code of Ethics that permits, and sometimes morally requires disclosure in the former cases, but not in the latter. 相似文献
158.
Hirshman E Wells E Wierman ME Anderson B Butler A Senholzi M Fisher J 《Psychonomic bulletin & review》2003,10(1):125-134
In this article, the theoretical distinction between recognition memory decision and discrimination processes is used to explore the effect of dehydroepiandrosterone (DHEA) in postmenopausal women. DHEA is an adrenal steroid that diminishes with aging. It has enhanced memory in laboratory animals. An 8-week placebo-controlled, double-blind experiment in which 30 women (ages 39–70) received a 50-mg/day oral dose of DHEA for 4 weeks demonstrated that DHEA made subjects more conservative (i.e., less likely to call test items “old”) in their recognition memory decisions and enhanced recognition memory discrimination for items presented briefly. The former result may reflect an empirical regularity (Hirshman, 1995) in whichrecent strong memory experiences make participants more conservative. The latter result may reflect the effect of DHEA on visual perception, with consequent effects on memory. These results suggest the methodological importance of focusing on decision processes when examining the effects of hormones on memory. 相似文献
159.
Kelly Digby Peebles 《The Journal of medical humanities》2018,39(1):73-91
This essay examines a challenge to common literary representations of female mental illness in the Early Modern period—the hysterical woman—in a collection of French short stories contemporary to Vesalius's De Fabrica: Jeanne Flore's Tales and Trials of Love (1542). Jeanne Flore's tales depict several mentally disturbed female protagonists, young women prone to paroxysms of madness and self-mutilation. This study maintains that while Tales and Trials of Love superficially participates in the literary tradition that grew out of those accepted social and medical beliefs, it also questions the long-accepted paradigm of female hysteria and points to a shift in the socio-medical climate. Jeanne Flore's fictional narratives suggest that mental illness no longer consists in the realignment of a uterine imbalance, but rather in the telling of personal stories, a precursor to psychoanalysis and narrative medicine. 相似文献
160.
Maureen D. Satyshur Elliot A. Layden Jennifer R. Gowins Angel Buchanan Jacqueline K. Gollan 《Cognitive, affective & behavioral neuroscience》2018,18(5):884-901
Ruminative thinking is related to an increased risk for major depressive disorder (MDD) and perpetuates negative mood states. Rumination, uncontrollable negative thoughts about the self, may comprise both reflective and brooding components. However, only brooding rumination is consistently associated with increased negativity bias and negative coping styles, while reflective rumination has a less clear relationship with negative outcomes in healthy and depressed participants. The current study examined seed-to-voxel (S2.V) resting-state functional connectivity (FC) in a sample of healthy (HC) and depressed (MDD) adult women (HC: n=50, MDD: n=33). The S2V FC of six key brain regions, including the left and right amygdala, anterior and posterior cingulate cortex (ACC, PCC), and medial and dorsolateral prefrontal cortices (mPFC, dlPFC), was correlated with self-reported reflective and brooding rumination. Results indicate that HC and MDD participants had increased brooding rumination associated with decreased FC between the left amygdala and the right temporal pole. Moreover, reflective rumination was associated with distinct FC of the mPFC, PCC, and ACC with parietal, occipital, and cingulate regions. Depressed participants, compared with HC, exhibited decreased FC between the PCC and a region in the right middle frontal gyrus. The results of the current study add to the understanding of the neural underpinnings of different forms of self-related cognition—brooding and reflective rumination—in healthy and depressed women. 相似文献