Action Observation Therapy in the Subacute Phase Promotes Dexterity Recovery in Right-Hemisphere Stroke PatientsReport as inadecuate

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BioMed Research InternationalVolume 2014 2014, Article ID 457538, 7 pages

Clinical Study

Department of Neurorehabilitation, IRCCS San Raffaele Pisana, Via Della Pisana 235, 00163 Rome, Italy

Department of Experimental and Clinical Medicine, Polytechnic University of Marche, 60121 Ancona, Italy

Received 16 December 2013; Revised 28 April 2014; Accepted 28 April 2014; Published 22 May 2014

Academic Editor: Stefano Paolucci

Copyright © 2014 Patrizio Sale et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The clinical impact of action observation AO on upper limb functional recovery in subacute stroke patients is recent evidence. We sought to test the hypothesis that training everyday life activities through AO coupled with task execution might activate the left hemisphere different from the right one. Sixty-seven first-ever ischemic stroke subjects were randomly assigned to receive upper limb training coupled with AO tasks or standard rehabilitation. The groups were matched by age and gender, Bamford category, and interval from stroke and lesion side. Fugl-Meyer FM and Box and Block Test BBT were used to measure hand function recovery at the end T1 and 4-5 months after the treatment T2. At T1, FM was increased by 31% ±26%, of maximum achievable recovery, whereas BBT was increased by 17% ±18%; at T2, FM had reached 43% ±45% of maximum recovery, while BBT had reached 25% ±22%. Combining the effects of treatment to those of lesion side revealed significantly higher gains, in both FM and BBT scores, in left hemiparetic subjects when exposed to AO as compared to standard rehabilitation alone . The findings lead to recommend the use of AO in addition to motor training in left hemiparetic patients.

Author: Patrizio Sale, Maria Gabriella Ceravolo, and Marco Franceschini



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