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41.
Stephen A. Coombes Christophe Tandonnet Hakuei Fujiyama Christopher M. Janelle James H. Cauraugh Jeffery J. Summers 《Cognitive, affective & behavioral neuroscience》2009,9(4):380-388
In the present study, we examined whether preparing motor responses under different emotional conditions alters motor evoked potentials (MEPs) elicited by transcranial magnetic stimulation delivered to the motor cortex. Analyses revealed three findings: (1) Reaction times were expedited during exposure to unpleasant images, as compared with pleasant and neutral images; (2) force amplitude was greater during exposure to unpleasant images, as compared with pleasant and neutral images; and (3) MEPs were larger while participants viewed unpleasant images, as compared with neutral images. Hence, coupling the preparation of motor responses with the viewing of emotional images led to arousal-driven changes in corticospinal motor tract excitability, whereas movement speed and force production varied as a function of emotional valence. These findings demonstrate that the effects of emotion on the motor system manifest at varying sensitivity levels across behavioral and neurophysiological measures. Moreover, they validate the action readiness component of emotional experience by demonstrating that emotional states influence the execution of future movements but, alone, do not lead to overt movement. 相似文献
42.
A Beckman Type RM Dynograph was used to record the eye movements of 26 professional college men, once without spectacle corrections and then with plano lenses on a trial frame, during reading equivalent print at a distance of 33 cm. Amplitudes of the return-sweep velocity on these two trials were used to calculate an equivalent form reliability coefficient. A Pearson r of 0.88 indicates that their reliability is moderately high, meaning that both the desirable as well as the undesirable reading habits are probably deeply rooted by college, and imply that any reading remediation or improvement training should be performed at some much earlier stages to be efficiently effective. 相似文献
43.
Angelo S. DeNisi Tina L. Robbins Timothy P. Summers 《Journal of applied social psychology》1997,27(21):1884-1905
There is a history of interest in appraisal instruments as a means of improving the accuracy of ratings. But cognitive models have suggested an alternative role for instrumentation. The present study involved 125 subjects in an attempt to examine whether the format of the instrument, and the timing of its introduction, might influence cognitive processing of performance information and, in turn, recall and rating accuracy. Subjects received either a task- or trait-based instrument, either before observing performance, before a recall task, or before ratings. Both the type of scale and the timing of its introduction affected the organization of information in memory which, in turn, was related to recall accuracy. Rater judgment processes were affected as well. Implications for future research, and especially practice, are discussed. 相似文献
44.
45.
Studies investigating whether simultaneous bilateral movements can facilitate performance of the impaired limb(s) of stroke patients have returned mixed results. In the present study we compared unilateral limb performance (amplitude, cycle duration) with performance during an interlimb coordination task involving both homologous (both arms, both legs) and non-homologous (one arm, one leg) limbs in stroke participants (n=7) and healthy age-matched controls (n=7). In addition, the effect of on-line augmented visual feedback on interlimb coordination was investigated. Participants performed cyclical flexion-extension movements of the arms and legs in the sagittal plane paced by an auditory metronome (1 Hz). Movement amplitudes were larger and cycle durations shorter during homologous limb coordination than non-homologous coordination. Compared with unilateral movements both groups had reduced movement amplitudes and the stroke group increased cycle duration when interlimb coordination tasks were performed. These effects were most evident during non-homologous (arm and leg) coordination. No evidence of facilitation of the impaired limb(s) was found in any of the interlimb coordination conditions. Augmented visual feedback had minimal effect on the movements of control participants but lead to an increase of cycle duration for stroke participants. 相似文献
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47.
Kristi E. Pruiksma Brooke Fina Jessica R. Dietch Katherine A. Dondanville Jacob Williams Edward C. Wright Alma Molino Brittany Hall-Clark Karin L. Nicholson Alan L. Peterson Daniel J. Taylor 《Cognitive and behavioral practice》2018,25(4):515-530
Insomnia is highly prevalent among active-duty military service members. Cognitive Behavioral Therapy for Insomnia (CBT-I) is a well-established and effective treatment; however, research and treatment recommendations have primarily focused on civilian or veteran populations. A multitude of military-specific factors directly impact service members’ sleep and the subsequent treatment recommendations. This article provides treatment considerations for the use of CBT-I with active-duty U.S. Army personnel. First, an overview of the theoretical model of insomnia, including military-specific predisposing, precipitating, and perpetuating factors, is presented, followed by a review of common comorbid conditions among service members with insomnia. Finally, discussion focuses on considerations and strategies for implementing components of CBT-I with service members, managing sleep during deployments, and adjusting sleep to accommodate overnight duties. Additional training resources and supplemental video examples (with actors) are provided. 相似文献
48.
Kelly Jonathan W. Costabile Kristi A. Cherep Lucia A. 《Psychonomic bulletin & review》2018,25(6):2339-2345
Psychonomic Bulletin & Review - The presence of another person in a spatial scene has been shown to induce spontaneous perspective taking. This investigation presents two experiments exploring... 相似文献
49.
Graves KD Christopher J Harrison TM Peshkin BN Isaacs C Sheppard VB 《Journal of genetic counseling》2011,20(6):674-689
We examined healthcare providers’ perceptions of genetic counseling and testing in African American women at moderate to high-risk
of carrying a BRCA1/2 mutation. We conducted 20 in-depth interviews with genetic counselors (n = 5), medical oncologists (n = 8), obstetrician/gynecologists (n = 2) and surgeons (n = 5). Interviews were audiotaped, transcribed and independently coded by two individuals using a content analysis approach.
Seven themes emerged relevant to providers’ perceptions of African American women’s use of BRCA1/2 genetic services: access factors, cultural beliefs and preferences, effects of testing, patient motivators for genetic counseling
and testing, patient-provider communication, reasons for provider referral, and reasons for patient refusal. Providers identified
individual- and system-level barriers to African American women’s use of genetic services, including lack of follow-up after
referrals to genetic specialists and challenges to obtaining financial coverage for under- and uninsured high-risk women.
Results have implications for physician and patient education regarding appropriate referrals to and uptake of genetic services
in at-risk African American women. 相似文献
50.
Gerhard Blickle Katharina Oerder James K. Summers 《Journal of Vocational Behavior》2010,77(3):383-390
Works councillors are elected representatives of employees in German companies. It is their job to protect and bargain the interests of the employees with the company. We investigated the impact of 558 works councillors' individual political skill on their career success, where career ascendancy is based on success in upward elections and not on appointments by supervisors. The participants were from core German industries mostly working in large companies. We found that the stronger works councillors' political skill the more successful they were in their career still after controlling for sex, age, and union membership. Implications and limitations of the study and consequences for future research are discussed. 相似文献