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Predictive error detection in pianists: a combined ERP and motion capture study.
Clemens Maidhof1, Anni Pitkäniemi, Mari Tervaniemi
1Cognitive Brain Research Unit, Cognitive Science, Institute of Behavioural Sciences, University of Helsinki Helsinki, Finland ; Department of Music, Finnish Centre of Excellence in Interdisciplinary Music Research, University of Jyväskylä Jyväskylä, Finland.
Professional pianists exhibit pre-error negativity, a brain signal preceding musical errors. This study suggests tactile feedback, not just prediction, is crucial for detecting errors during piano performance.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Music Cognition
Background:
- Music performance integrates complex cognitive and motor skills, with errors occurring even in professionals.
- Previous event-related potential (ERP) studies identified pre-error negativity before pitch errors but confounded tempo and lacked movement data.
Purpose of the Study:
- To investigate the neurophysiological and kinematic correlates of errors in piano performance.
- To clarify the role of predictive control versus sensory feedback in error detection.
Main Methods:
- Simultaneous recording of electroencephalography (EEG) for event-related potentials (ERPs) and 3D motion capture for finger movements during piano fingering exercises.
- Analysis of ERPs time-locked to both keystrokes and kinematic landmarks, specifically the onset of tactile feedback.
Main Results:
- A pre-error negativity was observed for incorrect keystrokes when tempo was controlled.
- Correct notes preceding errors also showed a similar negativity.
- ERPs time-locked to tactile feedback onset revealed differences for correct vs. incorrect notes, with negativity preceding errors.
Conclusions:
- Tactile feedback appears critical for error monitoring in piano performance.
- The comparison between predicted and actual tactile sensory information may facilitate error detection.
