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That does not sound right: Sounds affect visual ERPs during a piano sight-reading task
Franco Delogu1, Riccardo Brunetti2, Alberto Inuggi3
1Department of Humanities, Social Sciences, and Communication, College of Arts and Sciences, Lawrence Technological University, Southfield, MI, USA.
Behavioural Brain Research
|March 30, 2019
Summary
Musicians’ brains show that irrelevant sounds disrupt visual processing and conflict monitoring during music preparation. This indicates that auditory-motor processes impact visual attention and strategic action monitoring.
Area of Science:
- Neuroscience
- Cognitive Science
- Music Psychology
Background:
- Prolonged musical training leads to significant audio-visuo-motor plasticity.
- Understanding how musicians' brains manage multimodal conflicts during action preparation is limited.
Purpose of the Study:
- To investigate the impact of task-irrelevant auditory stimuli on visual processing for musical action (score reading).
- To examine the neural mechanisms underlying multimodal conflict resolution in musicians.
Main Methods:
- Electroencephalography (EEG) was used to record brain activity.
- Participants viewed a musical score after a task-irrelevant piano sound.
- Event-Related Potentials (ERPs) were analyzed to assess neural responses.
Main Results:
- An incongruent sound presented before a musical score reduced Event-Related Potentials (ERPs) associated with score reading (N170) and conflict monitoring (N2).
- These ERP reductions were observed in brain regions including the right temporo-parietal junction and frontal cortex.
- Task-irrelevant auditory stimuli interfered with visual processing and frontal conflict monitoring.
Conclusions:
- The automatic translation of musical sounds into motor plans in musicians affects visually specific processing.
- Auditory action effects influence strategic and amodal action monitoring mechanisms.
- Musicians' brains exhibit complex interactions between auditory, visual, and motor systems during action preparation.
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