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- Title
Reversed Mirror Therapy (REMIT) after Stroke—A Proof-of-Concept Study.
- Authors
Tesio, Luigi; Caronni, Antonio; Russo, Cristina; Felisari, Giorgio; Banco, Elisabetta; Simone, Anna; Scarano, Stefano; Bolognini, Nadia
- Abstract
In mirror training (MIT), stroke patients strive to move their hands while looking at the reflected image of the unaffected one. The recruitment of the mirror neurons and visual-proprioceptive conflict are expected to facilitate the paretic voluntary movement. Here, a reversed MIT (REMIT) is presented, which requires moving hands while looking at the reflected image of the paretic one, giving the illusion of being unable to move the unimpaired hand. This study compares MIT and REMIT on post-stroke upper-limb recovery to gain clues on the mechanism of action of mirror therapies. Eight chronic stroke patients underwent two weeks of MIT and REMIT (five sessions each) in a crossover design. Upper-limb Fugl-Meyer, Box and Block and handgrip strength tests were administered at baseline and treatments end. The strength of the mirror illusion was evaluated after each session. MIT induced a larger illusory effect. The Fugl-Meyer score improved to the same extent after both treatments. No changes occurred in the Box and Block and the handgrip tests. REMIT and MIT were equally effective on upper-limb dexterity, challenging the exclusive role of mirror neurons. Contrasting learned nonuse through an intersensory conflict might provide the rationale for both forms of mirror-based rehabilitation after stroke.
- Subjects
MASSACHUSETTS Institute of Technology; STROKE; MIRROR neurons; PROOF of concept; MIRRORS; STROKE rehabilitation
- Publication
Brain Sciences (2076-3425), 2023, Vol 13, Issue 6, p847
- ISSN
2076-3425
- Publication type
Article
- DOI
10.3390/brainsci13060847