
Michael J. Kahana
· Ph.D.University of Pennsylvania · Neuroscience
Active 1984–2026
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About
Michael J. Kahana, Ph.D, is a faculty member in the Biomedical Graduate Studies at the Perelman School of Medicine at the University of Pennsylvania. His research focuses on human episodic memory for verbal, visual, and spatial information. He conducts experiments that measure behavioral and electrophysiological responses during memory tasks and develops computational models to explain the resulting data. His lab is one of several studying the electrophysiological responses of neurons through direct intracranial electroencephalographic (iEEG) recording from the living human brain, often involving epilepsy patients with surgically implanted electrodes. By analyzing brain activity, including responses of individual neurons, in relation to task variables, he studies the neurophysiological basis of memory with high spatial and temporal resolution. Current projects include studies of spatial navigation using a virtual taxi driver game and computational modeling of the role of temporal context in visual and verbal memory.
Research topics
- Computer Science
- Artificial Intelligence
- Psychology
- Neuroscience
- Cognitive psychology
- Sociology
- Data science
- Internet privacy
- Epistemology
- Business
Selected publications
Theta Oscillations in Human Memory
Trends in Cognitive Sciences · 2020-02-03 · 585 citations
reviewOpen accessSenior authorCorrespondingAdvances in human intracranial electroencephalography research, guidelines and good practices
NeuroImage · 2022-07-02 · 225 citations
reviewOpen accessSince the second-half of the twentieth century, intracranial electroencephalography (iEEG), including both electrocorticography (ECoG) and stereo-electroencephalography (sEEG), has provided an intimate view into the human brain. At the interface between fundamental research and the clinic, iEEG provides both high temporal resolution and high spatial specificity but comes with constraints, such as the individual's tailored sparsity of electrode sampling. Over the years, researchers in neuroscienc…
Time cells in the human hippocampus and entorhinal cortex support episodic memory
Proceedings of the National Academy of Sciences · 2020-10-27 · 213 citations
articleOpen accessThe organization of temporal information is critical for the encoding and retrieval of episodic memories. In the rodent hippocampus and entorhinal cortex, evidence accumulated over the last decade suggests that populations of "time cells" in the hippocampus encode temporal information. We identify time cells in humans using intracranial microelectrode recordings obtained from 27 human epilepsy patients who performed an episodic memory task. We show that time cell activity predicts the temporal o…
2022 · 17 citations
1st authorCorrespondingDespite the complexity of memory and its diverse manifestations in our daily lives, certain mnemonic effects appear to hold across a wide range of conditions. We identify the effects of recency, contiguity, similarity, primacy, and repetition as potential laws of memory, evaluating their explanatory scope and discussing their theoretical significance. We show that apparent violations of these laws occur when different effects come into conflict, as in the situation of opposing physical forces. W…
Neuron · 2023 · 14 citations
Recent grants
Targeted closed-loop intracranial brain-stimulation to improve episodic memory
NIH · $3.1M · 2019–2025
Associative Processes in Episodic Memory
NIH · $7.9M · 1997–2027
Using Direct Brain Stimulation to Study Cognitive Electrophysiology
NIH · $5.4M · 2019–2025
Frequent coauthors
- 99 shared
Joseph R. Madsen
Harvard University
- 66 shared
Michael R. Sperling
Jefferson University Hospitals
- 64 shared
H.–J. Heinze
University Hospital Magdeburg
- 64 shared
Paul J Bennett
- 64 shared
George R. Mangun
University of California, Davis
- 64 shared
A Goes
University of California, San Diego
- 64 shared
Jeff Jordan
University of Delaware
- 64 shared
Robert D. Melara
City College of New York
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