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Is conceptual processing in music automatic? An electrophysiological approach.
Jérôme Daltrozzo1, Daniele Schön
1Mediterranean Institute of Cognitive Neurosciences, CNRS and University of the Mediterranean, 31 Chemin Joseph Aiguier, 13402 Marseille cedex 20, France. jerome.daltrozzo@inserm.fr
Brain Research
|March 25, 2009
Summary
Music perception involves conceptual processing, similar to language. A lexical decision task revealed a smaller N400 effect compared to a relatedness judgment task, indicating task-dependent cognitive mechanisms.
Area of Science:
- Cognitive Neuroscience
- Psychology of Music
Background:
- Music perception, like language, involves cognitive processing of abstract concepts.
- Previous research demonstrated a N400 effect in music-related conceptual processing using a relatedness judgment task.
Purpose of the Study:
- To investigate the influence of task type on the N400 effect in music perception.
- To compare the N400 effect between a relatedness judgment task and a lexical decision task.
Main Methods:
- Participants performed a lexical decision task with music excerpts and word targets.
- Behavioral data and Event-Related Potentials (ERPs) were recorded.
- Stimuli included 50 related and 50 unrelated music-word pairs.
Main Results:
- An N400 effect was observed during the lexical decision task.
- The N400 effect was significantly smaller (more than two times) and occurred later (500-650 ms) compared to a relatedness judgment task (300-550 ms).
Conclusions:
- The N400 effect in music perception is modulated by the task demands.
- Explicit, strategic mechanisms influence the N400 effect, as shown by the differences between tasks.
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