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- Title
The capacity of action observation to drag the trainees' motor pattern toward the observed model.
- Authors
Bazzini, Maria Chiara; Nuara, Arturo; Branchini, Giulio; De Marco, Doriana; Ferrari, Laura; Lanini, Maria Chiara; Paolini, Simone; Scalona, Emilia; Avanzini, Pietro; Fabbri-Destro, Maddalena
- Abstract
Action Observation Training (AOT) promotes the acquisition of motor abilities. However, while the cortical modulations associated with the AOT efficacy are well known, few studies investigated the AOT peripheral neural correlates and whether their dynamics move towards the observed model during the training. We administered seventy-two participants (randomized into AOT and Control groups) with training for learning to grasp marbles with chopsticks. Execution practice was preceded by an observation session, in which AOT participants observed an expert performing the task, whereas controls observed landscape videos. Behavioral indices were measured, and three hand muscles' electromyographic (EMG) activity was recorded and compared with the expert. Behaviorally, both groups improved during the training, with AOT outperforming controls. The EMG trainee-model similarity also increased during the training, but only for the AOT group. When combining behavioral and EMG similarity findings, no global relationship emerged; however, behavioral improvements were "locally" predicted by the similarity gain in muscles and action phases more related to the specific motor act. These findings reveal that AOT plays a magnetic role in motor learning, attracting the trainee's motor pattern toward the observed model and paving the way for developing online monitoring tools and neurofeedback protocols.
- Subjects
MOTOR learning; MOTOR ability; BIOFEEDBACK training; MOTORS; FUNCTIONAL magnetic resonance imaging; CONTROL groups; MUSCLES
- Publication
Scientific Reports, 2023, Vol 13, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-023-35664-w