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161.
The Simple Copy Task (SCT) is a figure copying test with inherent appeal due to its short administration time, graded task difficulty, varied stimuli, and potential to eliminate floor effects. Despite this, there is a lack of data regarding its construct validity and diagnostic utility. The present study compared SCT performance of schizophrenia (n = 29), dementia (n = 64), and movement disorder (n = 12) groups with that of unmatched healthy control participants (n = 49). Movement disorder patients committed a high degree of misplacement errors, whereas dementia patients tended to omit items, add extraneous detail, and perseverate. The schizophrenia group was most similar to the dementia group in their performance on the SCT, committing primarily omission and perseveration errors. The SCT was most closely related to the Rey Complex Figure Task (r = 0.68, p < .01) and the Block Design Task (r = 0.62, p < .01). Age (r = ?0.14, p < .01) and education (r = 0.35, p < .01) effects were present; however, there was no impact of gender and handedness. Taken together, these findings provide support for the utility of the task and directions for clinical interpretation. 相似文献
162.
Joan Richards 《Theology & Science》2013,11(1):53-74
In his Essay Concerning Human Understanding, John Locke created a special epistemological category for mathematical and religious knowing. This category of knowledge was quickly brushed to the side in the French Enlightenment, but the English preserved it well into the nineteenth century. This article considers the ways that the neo-Lockian joining of mathematics and theology fundamentally affected both mathematical and theological thinking in the first half of the English nineteenth century. It argues that these developments set the stage for the post-Darwinian conflicts between science—including mathematics—and religion. 相似文献
163.
Alice Ann Howard Gola Melissa N. Richards Alexis R. Lauricella Sandra L. Calvert 《Media Psychology》2013,16(4):390-411
Very young children have difficulty transferring what they view onscreen to their offscreen worlds. This study examined whether familiarizing toddlers with a character would improve toddlers' performance on a subsequent seriation task. Toddlers were randomly assigned to one of three conditions: (1) a familiarized character condition where toddlers viewed character-based videos and engaged in character-based play over a 3-month period before viewing the seriation video demonstration; (2) an unfamiliarized character condition where the toddler only saw the seriation video demonstration; and (3) a no-exposure control group where the toddler did not see the seriation video demonstration or have any involvement with the character. All toddlers were tested on the same seriation task at age 21 months, with the familiarized character group beginning the study at age 18 months and the other groups participating only at age 21 months. Toddlers in the familiarized character condition, but not the unfamiliarized character condition, completed the seriation task significantly better than the no-exposure control group. Within the familiarized character condition, toddlers who nurtured the character during play subsequently had higher seriation scores. The results suggest that meaningful relationships with media characters can help toddlers learn early mathematical skills. 相似文献
164.
Simon Dymond Michael W. Schlund Bryan Roche Robert Whelan Jennifer Richards Cara Davies 《Behaviour research and therapy》2011,49(10):614-621
Symbolic generalization of avoidance may underlie the aetiology and maintenance of anxiety disorders. The aim of the present study was to demonstrate inferred threat-avoidance and safety (non-avoidance) behaviours that occur in the presence of stimuli indirectly related to learned threat and safety cues. A laboratory experiment was conducted involving two symbolic stimulus equivalence relations consisting of three physically dissimilar stimuli (avoidance cues: AV1–AV2–AV3 and neutral cues: N1–N2–N3). During avoidance learning involving aversive images and sounds, a key-press avoidance response was trained for one member of one of the relations (AV2) and non-avoidance for another (N2). Inferred threat and safety behaviour and ratings of the likelihood of aversive events were tested with presentations of all remaining stimuli. Findings showed a significantly high percentage of avoidance to both the learned and inferred threat cues and less avoidance to both the learned and inferred safety cues. Ratings in the absence of avoidance were high during training and testing to threat cues and low to safety cues and were generally lower in the presence of avoidance. Implications for associative and behavioural accounts of avoidance, and modern therapies for anxiety disorders are discussed. 相似文献
165.
Amit Sethi Nick Stergiou Tara S. Patterson Carolynn Patten Lorie G. Richards 《Journal of motor behavior》2017,49(1):35-45
Temporal structure reveals the potential adaptive strategies employed during upper extremity movements. The authors compared the temporal structure of upper extremity joints under 3 different reaching conditions: preferred speed, fast speed, and reaching with rhythmic auditory cues in 10 individuals poststroke. They also investigated the temporal structure of these 3 reaching conditions in 8 healthy controls to aid in the interpretation of the observed patterns in the poststroke cohort. Approximate entropy (ApEn) was used to measure the temporal structure of the upper extremity joints. ApEn was similar between conditions in controls. After stroke, ApEn was significantly higher for shoulder, elbow, and wrist both at fast speed and with rhythmic cues compared with preferred speed. ApEn at index finger was significantly higher only with rhythmic cues compared with preferred speed. The authors propose that practice reaching at faster speed and with rhythmic cues as a component of rehabilitation interventions may enhance adaptability after stroke. 相似文献
166.
Heather T. Peters Lorie Richards Brittani A. Basobas Julie M. Faieta Stephen J. Page 《Journal of motor behavior》2017,49(1):8-19
Stroke remains a leading cause of disability, with survivors experiencing long-term decrements in independence and quality of life. Occupational therapists (OTs) employ numerous neurorehabilitative treatment approaches to remediate impairments that are impeding performance. OTs also use physical agent modalities to facilitate increased participation and success in therapy. One such modality is transcranial direct current stimulation (tDCS), a form a noninvasive brain stimulation that can be overlaid onto task practice and delivers a constant, low intensity current into the brain. tDCS is safe, portable, and efficacious in remediating a variety of deficits, yet is not consistently incorporated into clinical practice. The authors discuss the mechanisms, safety, evidence, and potential applications of tDCS to enhance outcomes for this growing population. 相似文献
167.
Catherine A. Cottrell David A.R. Richards Austin Lee Nichols 《Journal of experimental social psychology》2010,46(2):247-254
How are people’s social policy attitudes related to their affective reactions to the social groups affected by those policies? From a threat-based perspective, specific emotions toward a group—above and beyond general prejudice toward that group—should predict attitudes toward a policy affecting the group. To test this, 128 participants reported their support for four social policies, their general and specific affective reactions to each affected group, and the threats ostensibly posed by that group. Although general prejudice failed to predict each policy attitude after controlling for the specific emotions, specific emotions did indeed significantly predict each policy attitude after controlling for general prejudice. Moreover, these specific emotions tended to mediate predicted relationships between perceived threats and policy attitudes. In all, these results highlight the benefits of assessing specific intergroup emotions as they relate to political arenas. 相似文献
168.
The central purpose of this paper is to address the tension between legal and medical discourses within the coronial system. Medical expertise, based largely upon internal autopsy, becomes positioned as providing the more important information, rather than the legal model which focuses on evidence gathering at the scene. This paper will examine the aspects of the history, philosophy and consequences of the processes by which the medical model gained its current dominance and will conclude that, while autopsies are necessary, they are also over-used in the coronial system. 相似文献
169.
Joyce Fung Carol L Richards Francine Malouin Bradford J McFadyen Anouk Lamontagne 《Cyberpsychology & behavior》2006,9(2):157-162
A virtual reality (VR)-based locomotor training system has been developed for gait rehabilitation post-stroke. The system consists of a self-paced treadmill mounted onto a 6-degrees-of-freedom motion platform. Virtual environments (VEs) that are synchronized with the speed of the treadmill and the motions of the platform are rear-projected onto a screen in front of the walking subject. A feasibility study was conducted to test the capability of two stroke patients and one healthy control to be trained with the system. Three VE scenarios (corridor walking, street crossing, and park stroll) were woven into a gait-training program that provided three levels of complexity (walking speed, slopes, collision avoidances), progression criteria (number of successful trials) and knowledge of results. Results show that, with practice, patients can effectively increase their gait speed as demanded by the task and adapt their gait with respect to the change in physical terrain. However, successful completion of tasks requiring adaptation to increasing demands related to speed and physical terrains does not necessarily predict the patient's ability to anticipate and avoid collision with obstacles during walking. This feasibility study demonstrates that persons with stroke are able to adapt to this novel VR system and be immersed in the VEs for gait training. 相似文献
170.
Previous research findings concerning employees’ perceptions of fairness and positive mood as predictors of organizational citizenship behavior (OCB) have been equivocal. Explanations for this inconsistency may be related to the varying types of manipulation techniques adopted and samples tested. To address these issues, the present study adopted the mood and fairness manipulation techniques of Bachrach and Jex (2000, Journal of Applied Psychology, 30(3), 641–663) to investigate their effect on OCB amongst a sample of 138 employees from five large service organizations. The findings revealed that employees’ perceptions of fairness affected their likelihood to perform organizational citizenship behaviors. One implication of this finding is that employees’ perceptions of fairness may have a more enduring effect, in comparison to their mood, on increasing their extra role work behaviors. However, a close evaluation of the mood manipulation technique suggests that further research is needed before any firm conclusions can be made on the relative effect of empolyees’ perceived fairness and positive mood on OCB. 相似文献