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Syntax in Action Has Priority over Movement Selection in Piano Playing: An ERP Study
Roberta Bianco1, Giacomo Novembre2, Peter E Keller2
1Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.
Journal of Cognitive Neuroscience
|September 10, 2015
Summary
This study reveals that musical syntax influences action planning in pianists. Syntactic errors in music lead to delays, indicating syntax planning occurs before movement execution.
Area of Science:
- Cognitive Neuroscience
- Music Cognition
- Motor Control
Background:
- Complex human behaviors exhibit hierarchical organization.
- The role of syntax in action planning is debated.
- Investigating syntax in music provides a model for understanding action planning.
Purpose of the Study:
- To determine if syntactic operations influence action planning in piano performance.
- To demonstrate the priority of syntactic processing over movement selection.
- To investigate the neural correlates of syntax-based motor planning.
Main Methods:
- Expert pianists performed chord progressions on a mute keyboard.
- Sequences of model hand postures were presented.
- Syntax (key congruence) and manner (fingering) were manipulated.
- Response times and electroencephalography (ERP) were recorded.
Main Results:
- Syntactically incongruent chords caused response delays, especially in longer contexts.
- Longer contexts with syntactic incongruence elicited centroparietal negativity, suggesting predictive planning.
- Unconventional fingering (manner) did not show context-dependent delays and produced posterior positivity.
Conclusions:
- Motor plans are organized at the level of musical syntax.
- Syntactic information is processed hierarchically and ahead of lower-level movement execution.
- This hierarchical processing supports syntax-based action planning in complex behaviors.
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