Related Experiment Video
Updated: Jul 27, 2025

05:04
Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
Published on: September 21, 2017
6.0K
Hebbian learning with elasticity explains how the spontaneous motor tempo affects music performance synchronization
Iran R Roman1, Adrian S Roman2, Ji Chul Kim3
1Center for Computer Research in Music and Acoustics, Department of Music, Stanford University, Stanford, California, United States of America.
Plos Computational Biology
|June 7, 2023
Summary
Musicians' spontaneous motor tempo (SMT) influences their musical synchronization. A new dynamical model shows SMT acts as a pulling force, accurately predicting performance across various musical settings.
Area of Science:
- Cognitive Science
- Music Psychology
- Dynamical Systems Theory
Background:
- Spontaneous motor tempo (SMT) is a musician's intrinsic movement speed.
- SMT is known to influence musical tempo and synchronization.
- Previous studies show SMT affects performance in solo and duet settings.
Conclusions:
- The developed dynamical model provides a systems-based explanation for SMT's role in musical synchronization.
- The model accurately predicts performance in realistic musical settings.
- The model can be used to make predictions for untested performance scenarios.
Related Concept Videos
Muscle Stimulation Frequency
2.3K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.3K
Problem-Solving: Tuning of a Guitar String
478
In the case of stringed instruments like the guitar, the elastic property that determines the speed of the sound produced is its linear mass density or the mass per unit length. This is simply called the linear density. If the string's linear density is constant along the string, then the linear density is simply the total mass divided by the total length.
The string's wave speed can be regulated by varying the linear density. Tension is the other property that determines the speed of...
The string's wave speed can be regulated by varying the linear density. Tension is the other property that determines the speed of...
478
Elasticity
3.5K
Elasticity is the ability of an object to withstand the effects of distortion and to return to its original size and shape once the forces causing deformation are removed. When an elastic material deforms under the action of an external force, it experiences internal resistance to the deformation. However, if no external force is applied, it returns to its original state.
The elasticity of an object can be described by a stress-strain curve, which represents the relationship between stress...
The elasticity of an object can be described by a stress-strain curve, which represents the relationship between stress...
3.5K
Perceiving Loudness, Pitch, and Location
277
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
277
Effects of feedback
613
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
613
Beats
582
The study of music provides many examples of the superposition of waves and the constructive and destructive interference that occurs. Very few examples of music being performed consist of a single source playing a single frequency for an extended period of time. A single frequency of sound for an extended period might be monotonous to the point of irritation, similar to the unwanted drone of an aircraft engine or a loud fan. Music is pleasant and exciting due to mixing the changing frequencies...
582

