Data files for virtual pole balancing (10 subjects, 4 added delays)
Year: 2026
Type: dataset
Abstract: Time delays are an intrinsic component of the neural feedback control of balance. Consequently, control actions must be applied carefully otherwise instabilities can arise because feedback controllers overreact to outdated data. Here we use a computerized virtual pole balancing task to demonstrate that human subjects overcome this problem by making corrective actions intermittently at time intervals longer than the neural delay. When the duration of the open-loop waiting period is longer than the delay, past effects in the feedback loop are reduced to the history generated by the open-loop dynamics. Thus, the effects of the time delay on balance control are eliminated and control temporarily relies on the free dynamics of the inverted pendulum. This ``wait-and-act'' mechanism draws attention to the possible roles played by the passive mechanical properties of the body for maintaining balance such as joint stiffness and muscle tone in order to reduce falling risk.
Source: Figshare
Authors: Tamas Insperger, John G. Milton
Language: English
Topic: Motor Control and Adaptation
Subfield: Cognitive Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7172418564