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Are We in Time? How Predictive Coding and Dynamical Systems Explain Musical Synchrony.

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Humans anticipate events with sound by synchronizing actions, a phenomenon explained by predictive coding and dynamical systems theories. These models offer distinct neural perspectives on auditory-motor synchronization.

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Area of Science:

  • Cognitive Neuroscience
  • Auditory Perception
  • Motor Control

Background:

  • Humans exhibit a tendency to anticipate events when synchronizing actions with auditory stimuli, such as clapping to music.
  • This anticipatory synchronization has long puzzled scientists, prompting investigation into its underlying mechanisms.

Purpose of the Study:

  • To review and contrast two primary theoretical mechanisms for anticipatory synchronization: predictive coding and dynamical systems.
  • To explore the neural underpinnings, assumptions, computations, and musical applications of these theories.

Main Methods:

  • Literature review of theoretical frameworks for auditory-motor synchronization.
  • Comparative analysis of predictive coding and dynamical systems theories.
  • Examination of neural activation patterns associated with synchronization.

Main Results:

  • Both predictive coding and dynamical systems offer explanations for anticipatory synchronization grounded in neural activity.
  • Key distinctions exist between the theories regarding their assumptions and computational approaches.
  • Both frameworks have relevant applications in understanding music perception and performance.

Conclusions:

  • Predictive coding and dynamical systems provide complementary, yet distinct, theoretical lenses for understanding how humans anticipate events through sound synchronization.
  • Further research can elucidate the specific neural computations underlying these processes in auditory-motor tasks.