Uncertainty Shapes Neural Dynamics in Motor Cortex During Reaching
Tapas J Arakeri, Jean M Dill, Katalin M. Gothard, Andrew J. Fuglevand
The paper examines how uncertainty about movement targets affects neural activity in the motor cortex during reaching tasks in rhesus macaques, finding that PMd shows reduced neural trajectory expansion with higher uncertainty.
bioRxiv · Oct 14, 2025 · PreprintNeuroscience