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Stimulation of the human medial temporal lobe between learning and recall selectively enhances forgetting. Brain stimulation Merkow, M. B., Burke, J. F., Ramayya, A. G., Sharan, A. D., Sperling, M. R., Kahana, M. J. 2017; 10 (3): 645-650

Abstract

Direct electrical stimulation applied to the human medial temporal lobe (MTL) typically disrupts performance on memory tasks, however, the mechanism underlying this effect is not known.To study the effects of MTL stimulation on memory performance.We studied the effects of MTL stimulation on memory in five patients undergoing invasive electrocorticographic monitoring during various phases of a memory task (encoding, distractor, recall).We found that MTL stimulation disrupted memory performance in a timing-dependent manner; we observed greater forgetting when applying stimulation during the delay between encoding and recall, compared to when it was applied during encoding or recall.The results suggest that recall is most dependent on the MTL between learning and retrieval.

View details for DOI 10.1016/j.brs.2016.12.011

View details for PubMedID 28073638

View details for PubMedCentralID PMC5410394