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191.
Perceived order of two consecutive stimuli may not correspond to the order of their physical onsets. Such a disagreement presumably results from a difference in the speed of stimulus processing toward central decision mechanisms. Since previous evidence suggests that the right posterior parietal cortex (PPC) plays a role in modulating the processing speed of a visual target, we applied single-pulse TMS over the region in 14 normal subjects, while they judged the temporal order of two consecutive visual stimuli. Stimulus-onset-asynchrony (SOA) randomly varied between -100 and 100 ms in 20-ms steps (with a positive SOA when a target appeared on the right hemi-field before the other on the left), and a point of subjective simultaneity was measured for individual subjects. TMS stimulation was time-locked at 50, 100, 150, and 200 ms after the onset of the first stimulus, and results in trials with TMS on right PPC were compared with those in trials without TMS. TMS over the right PPC delayed the detection of a visual target in the contralateral, i.e., left hemi-field by 24 (+/-7 SE) ms and 16 (+/-4 SE) ms, when the stimulation was given at 50 and 100 ms after the first target onset. In contrast, TMS on the left PPC was not effective. These results show that the right PPC is important in a timely detection of a target appearing on the left visual field, especially in competition with another target simultaneously appearing in the opposite field. 相似文献
192.
193.
We review several instances where cognitive research has identified distinct psychological mechanisms for moral judgment that
yield conflicting answers to moral dilemmas. In each of these cases, the conflict between psychological mechanisms is paralleled
by prominent philosophical debates between different moral theories. A parsimonious account of this data is that key claims
supporting different moral theories ultimately derive from the psychological mechanisms that give rise to moral judgments.
If this view is correct, it has some important implications for the practice of philosophy. We suggest several ways that moral
philosophy and practical reasoning can proceed in the face of discordant theories grounded in diverse psychological mechanisms.
相似文献
Fiery CushmanEmail: |
194.
Craig S. Cashwell Amy Skinner Jennifer C. Lewis J. Scott Young Tammy H. Cashwell 《Journal of Contemporary Psychotherapy》2001,31(3):141-149
An analog design was used to investigate the mediating effects of client locus of control (i.e., an internal focus or external focus) on perceptions of counselor style of interpreting events (i.e., absolute or tentative interpretations) on measures of perceived session depth and smoothness, and perceived counselor expertness, attractiveness, and trustworthiness. One hundred and thirty-four undergraduate college students, crossed on level of locus of control, were randomly assigned to one of two treatment conditions, and then completed measures of perceived session depth and smoothness, as well as perceived counselor expertness, attractiveness, and trustworthiness. Results indicated a significant interaction effect on perceived counselor trustworthiness. Implications for college counselors are provided. 相似文献
195.
Joan Rosenbaum Asarnow Martha Tompson Stephanie Woo Dennis P. Cantwell 《Journal of abnormal child psychology》2001,29(6):573-583
Five Minute Speech Sample Expressed Emotion (FMSS-EE) was examined in families of youth with depressive disorders, nondepressed youth with attention deficit/hyperactivity disorder (ADHD), and community controls screened for the absence of depression and ADHD. Consistent with the hypothesis that FMSS-EE shows some specificity as a risk factor for depression, rates of critical EE were significantly higher among mothers of youth with depression as compared to mothers of nondepressed youth with ADHD, or mothers of controls. When both mothers' and fathers' scores were used to generate family EE ratings, rates of overall EE and critical EE were significantly higher for the depressed group than the control group, but the nondepressed ADHD group did not differ significantly from the other groups. Results support the hypothesis that critical EE in mothers shows some specificity as a risk factor or correlate of depression in youth. 相似文献
196.
Although women comprise an important part of the labor force in Hong Kong and the People's Republic of China (PRC), they remain underrepresented and underutilized in managerial positions. This study investigates the applicability of role motivation theory in the Chinese culture and examines if lack of motivation to manage is a potential explanation for this underrepresentation. Data were collected from 127 Hong Kong (68 men and 59 women) and 175 mainland Chinese (128 men and 47 women) managers. As expected, Hong Kong managers possess significantly higher levels of motivation to manage than do their PRC counterparts. There are, however, no significant gender-based differences in levels of motivation to manage in either Hong Kong or the PRC. Lack of motivation to manage does not appear to contribute to the underutilization of Chinese women in management in Hong Kong and mainland China. 相似文献
197.
This study examined the work experiences of men, a traditional workplace majority, as minority members of a female-dominated occupation. We used tokenism and social categorization theories to propose and test a set of hypotheses that link token status (a less than 15% minority) with male flight attendants' work attitudes through intervening psychological and job factors. Survey data from a sample of 236 male and female flight attendants supported a model in which a negative relationship between token status and the work attitudes of job satisfaction and organizational attachment was mediated by low self-esteem, increased role ambiguity, and poor job fit. The uncovering of these previously unmeasured intervening variables strengthens theoretical connections between demography and work outcomes and suggests leverage points for improving the work attitudes of individuals in the minority. 相似文献
198.
Hong Woo Kim 《Human Studies》2001,24(1-2):69-85
This paper explores the question of embodiment/disembodiment discussed by Hwa Yol Jung mainly in his recent work, Rethinking Political Theory (1993a) in tandem with an examination of some recent developments in Korean scholarship on the same subject. To sum up, the following three points are emphasized. First, this living body does not exist except in specific modalities. In this sense, Gabriel Marcel's paradigmatic affirmation that I am my body requires an elaboration of the specific modalities of the living body as a being in the world. Second, the way a living body exists is not exclusively mental or physical, but both. In short, it is phenomenal. Third, the point of the whole argument can be summed up as follows: to conceal one's own body is natural, but to forget it is dangerous. The primary task of phenomenology is not to denude human beings, but to reawaken ourselves to the idea that we are beings who live with and through bodies. 相似文献
199.
200.
Fabrice Perch Jacques Young Paul Robel Neal G. Simon Marc Haug 《Aggressive behavior》2001,27(2):130-138
The neurosteroid dehydroepiandrosterone (DHEA) is a powerful inhibitor of aggression in murine models when given for 15 days and potentially may be useful in the management of inappropriate human aggression. Although the biosynthesis and metabolism of DHEA have been described, little is known about the potential effect of the steroidal environment during sexual differentiation on the subsequent response to DHEA. Whether prenatal androgen exposure influences the subsequent response to DHEA was assessed by comparing the effect of DHEA (80 μg/d) on aggression in female offspring where dams were treated with 1, 10, or 100 μg of testosterone (T) on days 15 to 18 of gestation (Experiment I) or that developed in different uterine positions (Experiment II). The results showed that DHEA decreased attack behavior in general and that the 100‐μg prenatal T treatments enhanced the antiaggressive effect of this neurosteroid. Neither the lower doses of exogenously administered T nor the uterine position led to an enhanced response to DHEA. In addition, whether DHEA produced changes in social and nonsocial activities was examined. In the 100‐μg T females, DHEA increased the duration of the former and decreased the frequency and duration of the latter, indicating that it was not a general decrement in behavioral expression that mediated the enhanced response to the antiaggressive effect of DHEA. In the second experiment, DHEA treatment led to increased frequencies of social nonaggressive and nonsocial activities. However, the uterine positions × treatment interactions were not significant, demonstrating that contiguity to male fetuses did not differentially affect the response to DHEA. Aggr. Behav. 27:130–138, 2001. © 2001 Wiley‐Liss, Inc. 相似文献