Cholinergic blockade reveals a role for human hippocampal theta in memory encoding but not retrieval
Tamara Gedankien, Jennifer Kriegel, Erfan Zabeh, David L. McDonagh, Bradley Charles Lega, Joshua Jacobs
This study shows that cholinergic blockade disrupts hippocampal theta oscillations during memory encoding but not retrieval, suggesting theta reflects an encoding state rather than being required for retrieval.
bioRxiv · May 12, 2025 · PreprintNeuroscience