The value of action observation in speech and language rehabilitation: A systematic review and meta-analysis - Mobilité Vieillissement et Exercice
Article Dans Une Revue Neuroscience and Biobehavioral Reviews Année : 2024

The value of action observation in speech and language rehabilitation: A systematic review and meta-analysis

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In this systematic review and meta-analysis, our aim was to identify and quantify evidence of action observation therapy (AOT) efficacy in managing language deficits in patients with aphasia. This study conducts two quantitative investigations: firstly, comparing the effects of AOT and conventional control therapy in different groups, and secondly, analyzing within AOT group to explore potential moderators of AOT effectiveness. Four databases were searched up until August 2023 to find studies utilizing AOT for aphasia management. Seven eligible studies were included. The main analyses revealed moderate evidence of improvement in naming tasks, with a large effect size (Hedge’s g = 1.27, 95 %CI [0.44; 2.09], p = 0.003, I2 < 25) following AOT compared to control interventions. Furthermore, to be efficient, AOT should focus on human actions (e.g., running, jumping) rather than non-human actions (e.g., meowing or barking). These findings indicate that AOT is a promising alternative complementary approach for patients with aphasia. Future research should confirm the potential benefits of AOT with more randomized controlled studies and aim to clarify the minimal dose necessary and the possibility of transfer to various language tasks.
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hal-04663584 , version 1 (29-07-2024)

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Victor Francisco, Frédéric Louis, Maxime Billot, Morgane Le Bourvellec, Arnaud Decatoire, et al.. The value of action observation in speech and language rehabilitation: A systematic review and meta-analysis. Neuroscience and Biobehavioral Reviews, 2024, 164, pp.105826. ⟨10.1016/j.neubiorev.2024.105826⟩. ⟨hal-04663584⟩
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