Search Results - "Kahana, Michael J"

Slow-Theta-to-Gamma Phase-Amplitude Coupling in Human Hippocampus Supports the Formation of New Episodic Memories by Lega, Bradley, Burke, John, Jacobs, Joshua, Kahana, Michael J

“…Phase-amplitude coupling (PAC) has been proposed as a neural mechanism for coordinating information processing across brain regions. Here we sought to…”
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Hippocampal theta codes for distances in semantic and temporal spaces by Solomon, Ethan A., Lega, Bradley C., Sperling, Michael R., Kahana, Michael J.

“…The medial temporal lobe (MTL) is known to support episodic memory and spatial navigation, raising the possibility that its true function is to form “cognitive…”
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Expanding the Scope of Memory Search: Modeling Intralist and Interlist Effects in Free Recall by Lohnas, Lynn J, Polyn, Sean M, Kahana, Michael J

“…The human memory system is remarkable in its capacity to focus its search on items learned in a given context. This capacity can be so precise that many…”
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A Context Maintenance and Retrieval Model of Organizational Processes in Free Recall by Polyn, Sean M, Norman, Kenneth A, Kahana, Michael J

“…The authors present the context maintenance and retrieval (CMR) model of memory search, a generalized version of the temporal context model of M. W. Howard and…”
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Direct brain recordings fuel advances in cognitive electrophysiology by Jacobs, Joshua, Kahana, Michael J

“…Electrocorticographic brain recordings in patients with surgically implanted electrodes have recently emerged as a powerful tool for examining the neural basis…”
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EEG decoders track memory dynamics by Li, Yuxuan, Pazdera, Jesse K., Kahana, Michael J.

“…Encoding- and retrieval-related neural activity jointly determine mnemonic success. We ask whether electroencephalographic activity can reliably predict…”
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Neural Activity in Human Hippocampal Formation Reveals the Spatial Context of Retrieved Memories by Miller, Jonathan F., Neufang, Markus, Solway, Alec, Brandt, Armin, Trippel, Michael, Mader, Irina, Hefft, Stefan, Merkow, Max, Polyn, Sean M., Jacobs, Joshua, Kahana, Michael J., Schulze-Bonhage, Andreas

“…In many species, spatial navigation is supported by a network of place cells that exhibit increased firing whenever an animal is in a certain region of an…”
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Spatial Representations in the Human Brain by Herweg, Nora A, Kahana, Michael J

“…While extensive research on the neurophysiology of spatial memory has been carried out in rodents, memory research in humans had traditionally focused on more…”
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Successful memory formation is driven by contextual encoding in the core memory network by Long, Nicole M., Kahana, Michael J.

“…To understand how memories are successfully formed, scientists have compared neural activity during the encoding of subsequently remembered and forgotten…”
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Direct recordings of grid-like neuronal activity in human spatial navigation by Jacobs, Joshua, Weidemann, Christoph T, Miller, Jonathan F, Solway, Alec, Burke, John F, Wei, Xue-Xin, Suthana, Nanthia, Sperling, Michael R, Sharan, Ashwini D, Fried, Itzhak, Kahana, Michael J

“…Grid cell activity in the rodent and non-human primate entorhinal cortex is thought to provide spatial location information to the hippocampus for navigation…”
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Decreases in theta and increases in high frequency activity underlie associative memory encoding by Greenberg, Jeffrey A., Burke, John F., Haque, Rafi, Kahana, Michael J., Zaghloul, Kareem A.

“…Episodic memory encoding refers to the cognitive process by which items and their associated contexts are stored in memory. To investigate changes directly…”
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The cognitive correlates of human brain oscillations by Kahana, Michael J

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Human intracranial high-frequency activity during memory processing: neural oscillations or stochastic volatility? by Burke, John F, Ramayya, Ashwin G, Kahana, Michael J

“…Highlights • Increases in intracranial high frequency activity (HFA) mark memory processing. • Interpreted as gamma oscillations, HFA is assumed to…”
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A Context-Based Theory of Recency and Contiguity in Free Recall by Sederberg, Per B, Howard, Marc W, Kahana, Michael J

“…The authors present a new model of free recall on the basis of M. W. Howard and M. J. Kahana's (2002a) temporal context model and M. Usher and J. L…”
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Closed-loop stimulation of temporal cortex rescues functional networks and improves memory by Ezzyat, Youssef, Wanda, Paul A., Levy, Deborah F., Kadel, Allison, Aka, Ada, Pedisich, Isaac, Sperling, Michael R., Sharan, Ashwini D., Lega, Bradley C., Burks, Alexis, Gross, Robert E., Inman, Cory S., Jobst, Barbara C., Gorenstein, Mark A., Davis, Kathryn A., Worrell, Gregory A., Kucewicz, Michal T., Stein, Joel M., Gorniak, Richard, Das, Sandhitsu R., Rizzuto, Daniel S., Kahana, Michael J.

“…Memory failures are frustrating and often the result of ineffective encoding. One approach to improving memory outcomes is through direct modulation of brain…”
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Synchronous and asynchronous theta and gamma activity during episodic memory formation by Burke, John F, Zaghloul, Kareem A, Jacobs, Joshua, Williams, Ryan B, Sperling, Michael R, Sharan, Ashwini D, Kahana, Michael J

“…To test the hypothesis that neural oscillations synchronize to mediate memory encoding, we analyzed electrocorticographic recordings taken as 68 human…”
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Theta band power increases in the posterior hippocampus predict successful episodic memory encoding in humans by Lin, Jui‐Jui, Rugg, Michael D., Das, Sandhitsu, Stein, Joel, Rizzuto, Daniel S., Kahana, Michael J., Lega, Bradley C.

“…Functional differences in the anterior and posterior hippocampus during episodic memory processing have not been examined in human electrophysiological data…”
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The human hippocampus contributes to both the recollection and familiarity components of recognition memory by Merkow, Maxwell B., Burke, John F., Kahana, Michael J.

“…Despite a substantial body of work comprising theoretical modeling, the effects of medial temporal lobe lesions, and electrophysiological signal analysis, the…”
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Direct Electrical Stimulation of the Human Entorhinal Region and Hippocampus Impairs Memory by Jacobs, Joshua, Miller, Jonathan, Lee, Sang Ah, Coffey, Tom, Watrous, Andrew J., Sperling, Michael R., Sharan, Ashwini, Worrell, Gregory, Berry, Brent, Lega, Bradley, Jobst, Barbara C., Davis, Kathryn, Gross, Robert E., Sheth, Sameer A., Ezzyat, Youssef, Das, Sandhitsu R., Stein, Joel, Gorniak, Richard, Kahana, Michael J., Rizzuto, Daniel S.

“…Deep brain stimulation (DBS) has shown promise for treating a range of brain disorders and neurological conditions. One recent study showed that DBS in the…”
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Dynamic Theta Networks in the Human Medial Temporal Lobe Support Episodic Memory by Solomon, Ethan A., Stein, Joel M., Das, Sandhitsu, Gorniak, Richard, Sperling, Michael R., Worrell, Gregory, Inman, Cory S., Tan, Ryan J., Jobst, Barbara C., Rizzuto, Daniel S., Kahana, Michael J.

“…The medial temporal lobe (MTL) is a locus of episodic memory in the human brain. It is comprised of cytologically distinct subregions that, in concert, give…”
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