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261.
Forty subjects took part in a one-handed catching task in which the period for which the mechanically projected tennis ball was illuminated in flight was varied systematically. Additionally, they were tested for (a) static visual acuity and (b) dynamic visual acuity, in which angular velocity was varied. As expected, both viewing period in the catching task and angular velocity in the acuity task were significant variables in performance. Correlation and principal-components analyses confirmed the findings of a previous experiment in that the correlated static visual acuity tasks were unrelated to both dynamic visual acuity (even when angular velocity was only 75°/sec) and catching performance. Further, dynamic acuity and catching were related under the majority of the combinations, and most frequently at the highest angular velocity, a fact which suggested that the dynamic element in both tasks is the common factor. 相似文献
262.
John J. Buchanan 《Journal of motor behavior》2013,45(6):453-464
This study demonstrated that motor skill proficiency ratings are constrained by the same order parameter dynamics that constrain action production and action perception processes. Participants produced rhythmic actions simulated by an animated stick figure of the human arm. The primary finding was that participants’ proficiency ratings covaried most with relative phase (φ) variability compared to mean relative phase. In-phase (φ = 0°) was produced with the least variability and received the highest proficiency rating, whereas the patterns φ = ±150° were attempted with the most variability and received the lowest proficiency ratings. A temporal delay in attempting to produce the animated pattern had a large impact on produced relative phase, yet had little impact on the proficiency ratings. Proprioceptive processes provide individuals information on motor skill proficiency. The lead or lag motion of the hand to forearm segment of the animated arm was identified consistently through visual processes and revealed asymmetries in the mapping of visual input to motor output. The results are consistent with concepts from the dynamic pattern theory of coordination and are discussed with regard to relative phase as an informational variable that constraints the perception-action system across many levels. 相似文献
263.
E. H. Hsü 《The Journal of psychology》2013,147(2):175-179
In Experiment 1, a study by Messer was replicated with use of 18 children aged 40 to 67 months and nonsense words in which the phonemes of the consonant onsets of permissible and impermissible words were equated for frequency of occurrence. The children did not choose significantly more permissible words at any age, indicating that they did not use phonological rules as a basis for choice. In Experiment 2, similar materials were used with 14 children aged 56 to 74 months. By means of an operant conditioning procedure and a learning set paradigm, an experimental group (five children) was reinforced for choosing the permissible member of 10 permissible/impermissible pairs of nonsense words to a criterion of 80 percent correct responses. On transfer to a test task (16 problems given at a rate of 12 trials per problem) the group reached a mean performance level of 76 percent correct responses, which was significantly greater than that attained by either of two control groups (nine children). It was therefore concluded that some evidence for the existence of implicit phonological rules had been obtained, although the conclusion had to be qualified because (a) the mean level of performance of the experimental group during the test task was relatively low, and (b) because only children with high 1Qs performed at a level better than chance. 相似文献
264.
Research has shown that people with psychiatric disabilities who attend a day center rate their satisfaction with daily occupations equally in comparison with non-attendees. The current study investigates which occupations the target group performs and also differences in occupational choices between attendees and non-attendees. Reported occupations were analyzed with content analysis. Day center attendees reported more productive occupations, while non-attendees reported more recreational occupations and a greater breadth of occupations. This implies that non-attendees might compensate a lack of work-like occupations at a day center with satisfying recreational occupations. The results can guide development of psychiatric occupational-based rehabilitation. 相似文献
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266.
Amber M. Adami 《Occupational Therapy in Mental Health》2013,29(2):170-179
A single case study of the stories told by one occupational therapist about her clients in mental health settings is presented in this article. Qualitative analysis revealed key concepts of the role of the occupational therapist as defined by occupational adaptation theory, along with unique perspectives of occupational therapy in mental health settings. The outcome of this study is a demonstration of the unique insight occupational therapy brings to addressing client recovery in mental health settings, specifically from an occupational adaptation perspective. This insight should enlighten others as to the necessity of skilled occupational therapy in mental health settings. 相似文献
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The theoretical basis of occupational therapy interventions was investigated in two mental health facilities in the Midwestern United States. Using retrospective cohort and grounded theory designs, 121 medical records were reviewed and five occupational therapy practitioners were interviewed. Theoretical reasoning was not explicitly documented, but according to analysis, the behavioral/cognitive-behavioral model, client-centered models, and the model of human occupation were the most frequently used theories to guide interventions. Lack of documentation of theory use has significant implications for the value accorded to occupational therapy skills in health care. A larger study is recommended to increase external generalizability of the findings. 相似文献
270.
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