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Transposing musical skill: sonification of movement as concurrent augmented feedback enhances learning in a bimanual task.

ABSTRACT: Concurrent feedback provided during acquisition can enhance performance of novel tasks. The 'guidance hypothesis' predicts that feedback provision leads to dependence and poor performance in its absence. However, appropriately structured feedback information provided through sound ('sonification') may not be subject to this effect. We test this directly using a rhythmic bimanual shape-tracing task in which participants learned to move at a 4:3 timing ratio. Sonification of movement and demonstration was compared to two other learning conditions: (1) Sonification of task demonstration alone and (2) completely silent practice (control). Sonification of movement emerged as the most effective form of practice, reaching significantly lower error scores than control. Sonification of solely the demonstration, which was expected to benefit participants by perceptually unifying task requirements, did not lead to better performance than control. Good performance was maintained by participants in the Sonification condition in an immediate retention test without feedback, indicating that the use of this feedback can overcome the guidance effect. On a 24-h retention test, performance had declined and was equal between groups. We argue that this and similar findings in the feedback literature are best explained by an ecological approach to motor skill learning which places available perceptual information at the highest level of importance.

SUBMITTER: Dyer J

PROVIDER: S-EPMC5486555 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Transposing musical skill: sonification of movement as concurrent augmented feedback enhances learning in a bimanual task.

Dyer John J Stapleton Paul P Rodger Matthew M

Psychological research 20160527 4

Concurrent feedback provided during acquisition can enhance performance of novel tasks. The 'guidance hypothesis' predicts that feedback provision leads to dependence and poor performance in its absence. However, appropriately structured feedback information provided through sound ('sonification') may not be subject to this effect. We test this directly using a rhythmic bimanual shape-tracing task in which participants learned to move at a 4:3 timing ratio. Sonification of movement and demonstra ...[more]

PMID: 27233646

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Project description:Neurologic music therapy in rehabilitation of stroke patients has been shown to be a promising supplement to the often strenuous conventional rehabilitation strategies. The aim of this study was threefold: (i) replicate results from a previous study with a sample from one clinic (henceforth called Site 1; N = 12) using an already established recording system, and (ii) conceptually replicate previous findings with a less costly hand-tracking system in Site 2 (N = 30), and (iii) compare both sub-studies' outcomes to estimate the efficiency of neurologic music therapy. Stroke patients in both sites were randomly assigned to treatment or control groups and received daily training of guided sequential upper limb movements additional to their standard stroke rehabilitation protocol. Treatment groups received sonification (i.e., changes in musical pitch) of their movements when they moved their affected hand up and down to reproduce a sequence of the first six notes of a C major scale. Controls received the same movement protocol, however, without auditory feedback. Sensors at the upper arm and the forearm (Xsens) or an optic sensor device (Leapmotion) allowed to measure kinematics of movements and movement smoothness. Behavioral measures pre and post intervention included the Fugl-Meyer assessment (FMA) and the Stroke Impact Scale (SIS) and movement data. Bayesian regression did not show evidence supporting an additional effect of sonification on clinical mobility assessments. However, combined movement data from both sites showed slight improvements in movement smoothness for the treatment group, and an advantage for one of the two motion capturing systems. Exploratory analyses of EEG-EMG phase coherence during movement of the paretic arm in a subset of patients suggested increases in cortico-muscular phase coherence specifically in the ipsilesional hemisphere after sonification therapy, but not after standard rehabilitation therapy. Our findings show that musical sonification is a viable treatment supplement to current neurorehabilitation methods, with limited clinical benefits. However, given patients' enthusiasm during training and the low hardware price of one of the systems it may be considered as an add-on home-based neurorehabilitation therapy.

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Dataset Information

Transposing musical skill: sonification of movement as concurrent augmented feedback enhances learning in a bimanual task.

Publications

Transposing musical skill: sonification of movement as concurrent augmented feedback enhances learning in a bimanual task.

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