Journal
DISABILITY AND REHABILITATION-ASSISTIVE TECHNOLOGY
Volume 12, Issue 5, Pages 504-511Publisher
TAYLOR & FRANCIS INC
DOI: 10.3109/17483107.2016.1158326
Keywords
Amputation; cognition; neuropsychology; prosthesis; rehabilitation; upper limb
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Funding
- VA RRD, VA RRD [A6780, A6780I, A9226-R]
- Defense Advanced Research Projects Agency
- U.S. Army Research Office
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Purpose The objectives were to 1) identify major cognitive domains involved in learning to use the DEKA Arm; 2) specify cognitive domain-specific skills associated with basic versus advanced users; and 3) examine whether baseline memory and executive function predicted learning. Method Sample included 35 persons with upper limb amputation. Subjects were administered a brief neuropsychological test battery prior to start of DEKA Arm training, as well as physical performance measures at the onset of, and following training. Multiple regression models controlling for age and including neuropsychological tests were developed to predict physical performance scores. Prosthetic performance scores were divided into quartiles and independent samples t-tests compared neuropsychological test scores of advanced scorers and basic scorers. Baseline neuropsychological test scores were used to predict change in scores on physical performance measures across time. Results Cognitive domains of attention and processing speed were statistically significantly related to proficiency of DEKA Arm use and predicted level of proficiency. Conclusions Results support use of neuropsychological tests to predict learning and use of a multifunctional prosthesis. Assessment of cognitive status at the outset of training may help set expectations for the duration and outcomes of treatment.
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