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61.
Junichi Tajino Akira Ito Momoko Nagai Xiangkai Zhang Shoki Yamaguchi Hirotaka Iijima 《Journal of motor behavior》2013,45(5):397-406
Exposure to a microgravity environment leads to adverse effects in motion and musculoskeletal properties. However, few studies have investigated the recovery of altered locomotion and muscle atrophy simultaneously. The authors investigated altered locomotion in rats submitted to simulated microgravity by hindlimb unloading for 2 weeks. Motion deficits were characterized by hyperextension of the knees and ankle joints and forward-shifted limb motion. Furthermore, these locomotor deficits did not revert to their original form after a 2-week recovery period, although muscle atrophy in the hindlimbs had recovered, implying discordance in recovery between altered locomotion and muscle atrophy, and that other factors such as neural drives might control behavioral adaptations to microgravity. 相似文献
62.
Junya Masumoto 《Journal of motor behavior》2013,45(6):483-489
The authors examined the resolution of a discrepancy between visual and proprioceptive estimates of arm position in 10 participants. The participants fixed their right shoulder at 0°, 30°, or 60° of transverse adduction while they viewed a video on a head-mounted display that showed their right arm extended in front of the trunk for 30 min. The perceived arm position more closely approached the seen arm position on the display as the difference between the actual and visually displayed arm positions increased. In the extreme case of a 90° discrepancy, the seen arm position on the display was very gradually perceived as approaching the actual arm position. The magnitude of changes in sensory estimates was larger for proprioception (20%) than for vision (< 10%). 相似文献
63.
Olivier Guedon Gabriel Gauthier Jonathan Cole Jean-Louis Vercher Jean Blouin 《Journal of motor behavior》2013,45(3):234-248
The role of arm proprioception in motor learning was investigated in experiments in which, by moving the arm, subjects followed the motion of a target displayed on a monitor screen. Adaptive capabilities were tested in visuomanual tracking tasks following alterations in the relationship between the observer's actual arm movement and visual feedback of the arm movement given by a cursor motion on the screen. Tracking performance and adaptive changes, measured in terms of spatiotemporal error, tracking trajectory curvature, and spatial gain, were compared in 7 control subjects (CSs) and in 1 deafferented subject (DS). CSs adapted appropriately to altered visuomanual relationships; those changes were present in trials immediately after restoration of normal scaling. In contrast, although the DS modified his tracking strategy from trial to trial according to the altered conditions, he did not show plastic changes in internal visuomanual scaling. Like the results of prismatic adaptation experiments, the present results suggest that arm proprioception contributes to the plastic changes that follow alterations in the scaling of visuomanual gain. 相似文献
64.
Primiparous American women (N = 140) were questioned during their third trimester concerning their choice of sex of offspring and their willingness to use sex preselection techniques (if available). Eighty-two women expressed no preference for sex of offspring; of the remaining 58, 33 chose girls and 25 chose boys. Of the 26 women who indicated they would have used preselection technology, 13 chose boys and 13 chose girls. Fifty-three percent of the sample indicated they would not have used preselection techniques; 29% were undecided. These results were at variance with earlier studies that indicated a consistent choice of male firstborns, especially in nonpregnant samples. The discrepancy is discussed in terms of a move from boy preference to no preference and a gradual weakening of societal bias against women. 相似文献
65.
Félix Neto 《The Journal of psychology》2013,147(7):667-679
Saudade is a psychological reaction to the absence of significant others and familiar places. This investigation examined differences in saudade in a sample of 227 Portuguese adults without migratory experience, and 202 Portuguese migrants living in Switzerland. Within the migrant group, the relation between saudade and acculturation and adaptation factors was also examined. Results indicate that migrants experienced higher levels of saudade than did non-migrants. Length of residence abroad influenced the level of saudade: the longer the time spent abroad the less saudade was felt. Acculturation and adaptation factors accounted for 44% of the explained variance in saudade. Among acculturation factors, higher Portuguese proficiency and separation, and lower assimilation predicted more saudade. Among the adaptation factors, higher sociocultural adaptation problems and lower migration satisfaction also predicted higher saudade. It is hoped that investigation on saudade continues, and suggestions are made for further research. 相似文献
66.
Eva Ruth Balken 《The Journal of psychology》2013,147(2):153-176
Seventy-two five- to seven-year-old boys were exposed to televised adult models and were then administered tests of resistance to deviation (moral behavior), moral choice, and moral judgment level. Boys exposed to a model who said he would resist deviating from a prohibition and who supported his statement with a morally realistic justification were subsequently more likely to use that model's statements to guide their own moral behavior and moral choice than were boys exposed to a model advocating resistance to deviation with a morally autonomous justification. Realistic models expressing a deviating moral choice led to more deviating moral choices in observers than did autonomous deviating models. The moral judgment levels of the boys were not significantly affected by the models. The boys' moral behavior was predictive of their moral choice while moral judgment level was not significantly related to the other two indices of morality. 相似文献
67.
Sharan L. Schwartzberg Scott A. Trudeau Vanessa Vega 《Occupational Therapy in Mental Health》2013,29(2):134-148
In today's penurious health care climate, occupational therapists must scrutinize their practice and substantiate their interventions in order to remain viable service providers. This article proposes a method of occupational therapy outcomes assessment in mental health care that is rooted in client-centered functional outcomes. Since little consensus exists on which instruments are most effective, this article begins with an outline of broadly accepted principles for assessment of patient outcomes in mental health. Next, we describe a practical method for selecting outcomes measures in interdisciplinary settings. Finally, we offer pragmatic solutions to address barriers to outcome assessment. 相似文献
68.
Xinguang Chen Fang Li Liesl Nydegger Jie Gong Yuanjing Ren Veronica Dinaj-Koci Huiling Sun Bonita Stanton 《Personality and individual differences》2013
International behavioral research requires instruments that are not culturally-biased to assess sensation seeking. In this study we described a culturally adapted version of the Brief Sensation Seeking Scale for Chinese (BSSS-C) and its psychometric characteristics. The adapted scale was assessed using an adult sample (n = 238) with diverse educational and residential backgrounds. The BSSS-C (Cronbach alpha = 0.90) was correlated with the original Brief Sensation Seeking Scale (r = 0.85, p < 0.01) and fitted the four-factor model well (CFI = 0.98, SRMR = 0.03). The scale scores significantly predicted intention to and actual engagement in a number of health risk behaviors, including alcohol consumption, cigarette smoking, and sexual risk behaviors. In conclusion, the BSSS-C has adequate reliability and validity, supporting its utility in China and potential in other developing countries. 相似文献
69.
AbstractThere is limited research on the application of systemic family therapy in developing countries. This qualitative study explored the perceptions and experiences of 12 educational psychologists and a family therapy trainer, who have worked within a systemic reflecting team using Tom Andersen’s method of training and supervision. The semi-structured interview findings suggested positive perceptions of systemic intervention, despite various challenges experienced in its implementation within the South African context. The educational psychologists identified their reflecting team experiences as being beneficial for both their professional development and current practices. Future research which investigates the reflecting team process in action is recommended. 相似文献
70.
Robert M. Kenny 《World Futures: Journal of General Evolution》2013,69(8):590-630
Because Western experiments assume creativity is an individual phenomenon and rarely investigate how trust and openness might build collective resonance, flow, and creativity, the creative whole typically amounts to less than the sum of the parts. The author argues, however, that group creativity increases as members develop, especially through Wilber's (in press) transpersonal stages. He illustrates how organizational leaders have facilitated creativity through reflective practice. Presenting evidence regarding the field effects of collective consciousness, he suggests that our minds and hearts interact in subtle yet powerful ways, which leaders can intuit, to support the emergence of collaborative creativity. 相似文献