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Full-Text Articles in Medicine and Health Sciences
Human Verbal Memory Encoding Is Hierarchically Distributed In A Continuous Processing Stream., Michal T. Kucewicz, Krishnakant Saboo, Brent M. Berry, Vaclav Kremen, Laura R. Miller, Fatemeh Khadjevand, Cory S. Inman, Paul Wanda, Michael R. Sperling, Richard Gorniak, Kathryn A. Davis, Barbara C. Jobst, Bradley Lega, Sameer A. Sheth, Daniel S. Rizzuto, Ravishankar K. Iyer, Michael J. Kahana, Gregory A. Worrell
Human Verbal Memory Encoding Is Hierarchically Distributed In A Continuous Processing Stream., Michal T. Kucewicz, Krishnakant Saboo, Brent M. Berry, Vaclav Kremen, Laura R. Miller, Fatemeh Khadjevand, Cory S. Inman, Paul Wanda, Michael R. Sperling, Richard Gorniak, Kathryn A. Davis, Barbara C. Jobst, Bradley Lega, Sameer A. Sheth, Daniel S. Rizzuto, Ravishankar K. Iyer, Michael J. Kahana, Gregory A. Worrell
Department of Neurology Faculty Papers
Processing of memory is supported by coordinated activity in a network of sensory, association, and motor brain regions. It remains a major challenge to determine where memory is encoded for later retrieval. Here, we used direct intracranial brain recordings from epilepsy patients performing free recall tasks to determine the temporal pattern and anatomical distribution of verbal memory encoding across the entire human cortex. High γ frequency activity (65-115 Hz) showed consistent power responses during encoding of subsequently recalled and forgotten words on a subset of electrodes localized in 16 distinct cortical areas activated in the tasks. More of the high …