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. 2017 Jan;29(1):38-42.
doi: 10.1589/jpts.29.38. Epub 2017 Jan 30.

Effects of observation of hand movements reflected in a mirror on cortical activation in patients with stroke

Moon-Young Chang  1 , Hwan-Hee Kim  2 , Kyeong-Mi Kim  1 , Jae-Seop Oh  3 , Chel Jang  4 , Tae-Hyung Yoon  5
Affiliations

Effects of observation of hand movements reflected in a mirror on cortical activation in patients with stroke

Moon-Young Chang et al. J Phys Ther Sci. 2017 Jan.

Abstract

[Purpose] The purpose of this study was to examine what changes occur in brain waves when patients with stroke receive mirror therapy intervention. [Subjects and Methods] The subjects of this study were 14 patients with stroke (6 females and 8 males). The subjects were assessed by measuring the alpha and beta waves of the EEG (QEEG-32 system CANS 3000). The mirror therapy intervention was delivered over the course of four weeks (a total of 20 sessions). [Results] Relative alpha power showed statistically significant differences in the F3, F4, O1, and O2 channels in the situation comparison and higher for hand observation than for mirror observation. Relative beta power showed statistically significant differences in the F3, F4, C3, and C4 channels. [Conclusion] This study analyzed activity of the brain in each area when patients with stroke observed movements reflected in a mirror, and future research on diverse tasks and stimuli to heighten activity of the brain should be carried out.

Keywords: Cortical activation; Mirror therapy; Stroke.

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