Evaluating the Effect of Cognitive Dysfunction on Mental Imagery in Patients with Stroke Using Temporal Congruence and the Imagined ‘Timed Up and Go’ Test iTUGReportar como inadecuado




Evaluating the Effect of Cognitive Dysfunction on Mental Imagery in Patients with Stroke Using Temporal Congruence and the Imagined ‘Timed Up and Go’ Test iTUG - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Background

Motor imagery MI capacity may be altered following stroke. MI is evaluated by measuring temporal congruence between the timed performance of an imagined and an executed task. Temporal congruence between imagined and physical gait-related activities has not been evaluated following stroke. Moreover, the effect of cognitive dysfunction on temporal congruence is not known.

Objective

To assess temporal congruence between the Timed Up and Go test TUG and the imagined TUG iTUG tests in patients with stroke and to investigate the role played by cognitive dysfunctions in changes in temporal congruence.

Methods

TUG and iTUG performance were recorded and compared in twenty patients with chronic stroke and 20 controls. Cognitive function was measured using the Montreal Cognitive Assessment MOCA, the Frontal Assessment Battery at Bedside FAB and the Bells Test.

Results

The temporal congruence of the patients with stroke was significantly altered compared to the controls, indicating a loss of MI capacity respectively 45.11 ±35.11 vs 24.36 ±17.91, p = 0.02. Furthermore, iTUG test results were positively correlated with pathological scores on the Bells Test r = 0.085, p = 0.013, likely suggesting that impairment of attention was a contributing factor.

Conclusion

These results highlight the importance of evaluating potential attention disorder in patients with stroke to optimise the use of MI for rehabilitation and recovery. However further study is needed to determine how MI should be used in the case of cognitive dysfunction.



Autor: Maxime Geiger , Céline Bonnyaud, Yves-André Fery, Bernard Bussel, Nicolas Roche

Fuente: http://plos.srce.hr/



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