1508-Context-Dependent Action Encoding in Human Cortex
This research study investigates how the human brain processes intended and observed actions using single-neuron recordings from participants with tetraplegia. The findings reveal a hierarchical organization where the motor cortex (MC) primarily focuses on internal intentions, while the superior parietal lobule (SPL) maintains a stable, shared code for both viewing and planning movements. Unlike a fixed mirror mechanism, the SPL flexibly gates information, representing observed actions only when they are behaviorally relevant to the task at hand. Through population-level analysis and…
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