We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Adaptive biasing of action-selective cortical build-up activity by stimulus history.
- Authors
Braun, Anke; Donner, Tobias H.
- Abstract
Decisions under uncertainty are often biased by the history of preceding sensory input, behavioral choices, or received outcomes. Behavioral studies of perceptual decisions suggest that such history-dependent biases affect the accumulation of evidence and can be adapted to the correlation structure of the sensory environment. Here, we systematically varied this correlation structure while human participants performed a canonical perceptual choice task. We tracked the trial-by-trial variations of history biases via behavioral modeling and of a neural signature of decision formation via magnetoencephalography (MEG). The history bias was flexibly adapted to the environment and exerted a selective effect on the build-up (not baseline level) of action-selective motor cortical activity during decision formation. This effect added to the impact of the current stimulus. We conclude that the build-up of action plans in human motor cortical circuits is shaped by dynamic prior expectations that result from an adaptive interaction with the environment.
- Subjects
HUMAN behavior models; MAGNETOENCEPHALOGRAPHY
- Publication
eLife, 2023, p1
- ISSN
2050-084X
- Publication type
Article
- DOI
10.7554/eLife.86740