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Published on: July 24, 2019
Partial information transmission can be found in music attributes
Jing Lu1, Gujing Li, Diankun Gong
1Key Laboratory for NeuroInformation of Ministry of Education, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, People's Republic of China.
Partial information transmission occurs between musical attributes like timbre and pitch. This study found timbre information reached response preparation before intensity, supporting asynchronous processing models.
Area of Science:
- Cognitive Psychology
- Auditory Perception
- Music Cognition
Background:
- Previous research established partial information transmission between stimulus intensity and pitch.
- Our prior work demonstrated partial information transmission between timbre and intensity.
- The current study investigates information transmission between timbre and pitch.
Purpose of the Study:
- To determine if partial information transmission exists between the musical attributes of timbre and pitch.
- To explore the temporal dynamics of processing these attributes.
- To test support for the asynchronous discrete coding model of information processing.
Main Methods:
- Utilizing a two-choice go/no-go paradigm.
- Manipulating stimulus attributes: timbre (piano vs. violin) and pitch (high vs. low).
- Analyzing electrophysiological data, specifically lateralized readiness potentials (LRPs).
Main Results:
- Lateralized readiness potentials were observed in 'no-go' trials.
- Timbre information was transmitted to the response preparation stage before intensity processing.
- This suggests timbre is processed earlier than intensity in certain contexts.
Conclusions:
- Partial information transmission is evident among multiple music attributes, including timbre, intensity, and pitch.
- The findings support the asynchronous discrete coding model.
- This indicates a sequential processing of musical features.
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