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231.
Examinations of goal-directed movements reveal a process of control that operates to make adjustments on the basis of the expected visual afference associated with the limb's movement. This experiment examined the impact of perturbations to the perceived and actual velocity of aiming movements when each was presented alone or in tandem with the other. Perturbations to perceived velocity were achieved by translating the background over which aiming movements were performed. An aiming stylus that discharged air either in the direction of the movement or in the direction opposite the movement generated the actual velocity perturbations. Kinematic analyses of the aiming movements revealed that only the actual perturbation influenced the control of early movement trajectories. The results are discussed with respect to the influence that visual information has on the control exerted against physical perturbations. Speculations are raised regarding how potential for perturbations influences the strategies adopted for minimizing their impact. 相似文献
232.
We integrated theories of social exchange and emotion to explain the receipt of interpersonal citizenship (help) and counterproductive behaviors (harm). Using social network methodology, data on a total of 534 relationships were obtained from three samples of employees working for a food services organization. Results were consistent across all three samples. Employees received help and harm from coworkers toward whom they engaged in those behaviors, as well as from coworkers in whom they elicited positive and negative affective states, respectively. Additionally, affective states predicted the receipt of help and harm controlling for engagement, suggesting a means by which social exchanges may become imbalanced. Overall, findings demonstrate the validity of social exchange and affective explanations for the receipt of help and harm in the workplace. 相似文献
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This study, consists of a retrospective analysis made from the case notes of 10 thunderstorm phobics who were treated between 1963 and 1977.A wide range of data was abstracted from the histories in order to formulate some generalizations concerning the aetiology of this type of phobia. All the patients studied were female, generally they had experienced the problem in childhood usually in a severe form and its further exacerbation was often attributed to aversive life events. While many reported related sensitivities such as overreaction to sudden and loud noises, other psychiatric problems were rarely presented for treatment. 相似文献
235.
Lisa Lyons 《Psychoanalytic Dialogues》2020,30(3):365-372
This discussion elaborates on the complexity that electronically mediated treatment adds to Psychoanalytic work. The author explores the fate of the body in a Skype relationship, with particular attention to dilemmas posed by work with erotic transference when the transgressive excitement of possibility – actual erotic contact between analyst and patient – is absent. Additionally using Goldberg’s understanding of the frame as contact barrier, the author considers Skype as both frame and process and elaborates on limitations posed by Skype in adjusting to the phenomenology of the clinical moment. Ways to vitalize the frame over Skype are suggested. The author’s concerns about Skype treatment with dissociated and traumatized patients are also explored, and unrecognized enactments in Ringel’s work with D are considered, as is the possibility that work over Skype with D may have reified disconnection rather than promoted is intimacy. 相似文献
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Jack Lyons 《Philosophical Studies》2013,166(3):609-616
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AbstractThe continuous pointing task uses target-directed pointing responses to determine how perceived distance traveled is estimated during forward linear walking movements. To more precisely examine the regulation of this online process, the current study measured upper extremity joint angles and step-cycle kinematics in full vision and no-vision continuous pointing movements. Results show perceptual under-estimation of traveled distance in no-vision trials compared to full vision trials. Additionally, parsing of the shoulder plane of elevation trajectories revealed discontinuities that reflected this perceptual under-estimation and that were most frequently coupled with the early portion of the right foot swing phase of the step-cycle. This suggests that spatial updating may be composed of discrete iterations that are associated with gait parameters. 相似文献