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Princeton Computational Memory Lab

Princeton Computational Memory Lab

Author: Neggin Keshavarzian

Associative memory retrieval modulates upcoming perceptual decisions

Posted onJune 21, 2023June 21, 2023AuthorNeggin Keshavarzian

Bornstein, A.M., Aly, M., Feng, S.F., Turk-Browne, N.B., Norman, K.A., & Cohen, J.D. (2023). Cognitive, Affective, & Behavioral Neuroscience.
* fMRI data

CategoriesArticlesTags2023, Research papers

Come see us at SfN 2019!

Posted onOctober 16, 2019October 16, 2019AuthorNeggin Keshavarzian

CategoriesNewsTags2019

Attentional bias in depression: understanding mechanisms to improve training and treatment

Posted onSeptember 12, 2019September 12, 2019AuthorNeggin Keshavarzian

Mennen, A.C., Norman, K.A., & Turk-Browne, N.B. (2019). Current Opinion in Psychology.

CategoriesArticlesTags2019, Review papers

A generalization becomes suppressed over time in the context of exceptions

Posted onAugust 26, 2019November 25, 2020AuthorNeggin Keshavarzian

Tachihara, K., Norman, K.A., Turk-Browne, N., & Goldberg, A.E. (2019). Proceedings of the 41st Annual Conference of the Cognitive Science Society.

CategoriesArticlesTags2019, Research papers

Targeted memory reactivation during sleep elicits neural signals related to learning content

Posted onAugust 20, 2019November 25, 2020AuthorNeggin Keshavarzian

Wang, B., Antony, J., Lurie, S., Brooks, P.P., Paller, K., & Norman, K.A. (2019). Journal of Neuroscience.

CategoriesArticlesTags2019, Research papers

Nonmonotonic plasticity: How memory retrieval drives learning

Posted onJuly 29, 2019November 25, 2020AuthorNeggin Keshavarzian

Ritvo, V.J.H., Turk-Browne, N.B., & Norman, K.A. (2019). Trends in Cognitive Sciences.

CategoriesArticlesTags2019, Review papers

BrainIAK tutorials: user-friendly learning materials for advanced fMRI analysis

Posted onMay 23, 2019January 16, 2020AuthorNeggin Keshavarzian

Kumar, M., Ellis, C.T., Lu, Q., Zhang, H., Capota, M., Willke, T.L., Ramadge, P.J., Turk-Browne, N.B., & Norman, K.A. (2020). PLoS Computational Biology.

CategoriesArticlesTags2020, Research papers

Structured event memory: a neuro-symbolic model of event cognition

Posted onFebruary 6, 2019April 1, 2020AuthorNeggin Keshavarzian

Franklin, N.T., Norman, K.A., Ranganath, C., Zacks, J.M. & Gershman, S.J. (2020). Psychological Review.

CategoriesArticlesTags2020, Research papers

Offline replay supports planning in human reinforcement learning

Posted onDecember 17, 2018November 25, 2020AuthorNeggin Keshavarzian

Momennejad, I., Otto, A.R., Daw, N., & Norman, K.A. (2018). ELife.
* fMRI data

CategoriesArticlesTags2018, Research papers

Refresh my memory: Episodic memory reinstatements intrude on working memory maintenance

Posted onDecember 4, 2018November 25, 2020AuthorNeggin Keshavarzian

Hoskin, A.N., Bornstein, A.M., Norman, K.A., & Cohen, J.D. (2018). Cognitive, Affective, & Behavioral Neuroscience.
* fMRI data

CategoriesArticlesTags2018, Research papers

Shared representational geometry across neural networks

Posted onNovember 29, 2018November 29, 2018AuthorNeggin Keshavarzian

Lu, Q., Chen, P.H., Pillow, J.W., Ramadge, P., Norman, K.A., & Hasson, U. (2018). arXiv.

CategoriesArticlesTagsPreprints

Decoding mental walkthroughs of spatial memories in an immersive virtual reality environment

Posted onNovember 28, 2018AuthorNeggin Keshavarzian

Masis-Obando, R., Norman, K.A., & Baldassano, C. (2018). Poster presented at the Society for Neuroscience Annual Meeting, San Diego, CA.

CategoriesConference PresentationsTags2018

BrainIAK education: user-friendly tutorials for advanced, computationally-intensive fMRI analysis

Posted onNovember 19, 2018AuthorNeggin Keshavarzian

Kumar, M., Ellis, C.T., Lu, Q., Zhang, H., Ramadge, P.J., Norman, K.A., Turk-Browne, N.B. (2018). Poster presented at the Society for Neuroscience Annual Meeting, San Diego, CA.

CategoriesConference PresentationsTags2018

Neural representations of music in higher-order cortical regions

Posted onNovember 12, 2018AuthorNeggin Keshavarzian

Williams, J.A., Baldassano, C., Chen, J., Hasson, U., & Norman, K.A. (2018). Poster presented at the Society for Neuroscience Annual Meeting, San Diego, CA.

CategoriesConference PresentationsTags2018

Using closed-loop real-time fMRI neurofeedback to induce neural plasticity and influence perceptual similarity

Posted onNovember 9, 2018AuthorNeggin Keshavarzian

 Iordan, M.C., Ritvo, V.J.H., Norman, K.A., Turk-Browne, N.B., & Cohen, J.D. (2018). Poster presented at the Society for Neuroscience Annual Meeting, San Diego, CA.

CategoriesConference PresentationsTags2018

Representation of real-world event schemas during narrative perception

Posted onNovember 7, 2018March 15, 2019AuthorNeggin Keshavarzian

Baldassano, C., Hasson, U., & Norman, K.A. (2018). Journal of Neuroscience.
* Analysis Code
* fMRI data (intact)
* fMRI data (scrambled)

CategoriesArticlesTags2018, Research papers

Come see us at SfN 2018!

Posted onNovember 2, 2018AuthorNeggin Keshavarzian

CategoriesNewsTags2018

Human hippocampal replay during rest prioritizes weakly-learned information and predicts memory performance

Posted onSeptember 24, 2018March 13, 2019AuthorNeggin Keshavarzian

Schapiro, A.C., McDevitt, E.A., Rogers, T.T., Mednick, S.C., & Norman, K.A. (2018). Nature Communications.
* fMRI data

CategoriesArticlesTags2018, Research papers

Competitive learning modulates memory consolidation during sleep

Posted onAugust 12, 2018May 15, 2019AuthorNeggin Keshavarzian

Antony, J., Cheng, L.Y., Brooks, P.P., Paller, K., & Norman, K.A. (2018). Neurobiology of Learning and Memory.
* Data and code

CategoriesArticlesTags2018, Research papers

Reductions in retrieval competition predict the benefit of repeated testing

Posted onAugust 5, 2018April 17, 2019AuthorNeggin Keshavarzian

Rafidi, N.S., Hulbert, J.C., Brooks, P.P., & Norman, K.A. (2018). Scientific Reports.
* Data
* Analysis Code

CategoriesArticlesTags2018, Research papers

Neurofeedback helps to reveal a relationship between context reinstatement and memory retrieval

Posted onJuly 2, 2018June 18, 2019AuthorNeggin Keshavarzian

deBettencourt, M.T., Turk-Browne, N.B., & Norman, K.A. (2019). Neuroimage.

CategoriesArticlesTags2019, Research papers

Sleep spindle refractoriness segregates periods of memory reactivation

Posted onMay 23, 2018May 15, 2019AuthorNeggin Keshavarzian

Antony, J., Piloto, L., Wang, M., Pacheco, P., Norman, K.A., & Paller, K. (2018). Current Biology.
* Data and code

CategoriesArticlesTags2018, Research papers

Inducing neural plasticity and perceptual similarity via real-time fMRI neurofeedback

Posted onNovember 13, 2017November 13, 2017AuthorNeggin Keshavarzian

 Iordan, M.C., Ritvo, V.J.H., Norman, K.A., Turk-Browne, N.B., & Cohen, J.D. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Measuring a covert influence of episodic memory on working memory

Posted onNovember 12, 2017November 27, 2017AuthorNeggin Keshavarzian

Hoskin, A.N., Bornstein, A.M., Norman, K.A., & Cohen, J.D. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Rational use of long-term and working memory: A normative account of prospective memory

Posted onNovember 12, 2017AuthorNeggin Keshavarzian

Momennejad, I., Norman, K.A., Cohen, J.D., Singh, S., & Lewis, R. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Neural Representation of Musical Contexts in High-Level Cortical Regions

Posted onNovember 12, 2017AuthorNeggin Keshavarzian

Williams, J.A., Baldassano, C., Chen, J., Hasson, U., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Inhibiting scene memories through closed-loop modulation of retrieval strength

Posted onNovember 12, 2017AuthorNeggin Keshavarzian

Mennen, A.C., Poppenk, J., deBettencourt, M.T., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Hold that thought! When mental contexts survive interruptions to bind memories

Posted onNovember 12, 2017AuthorNeggin Keshavarzian

DuBrow, S., Niv, Y., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Come see us at SfN 2017!

Posted onNovember 10, 2017AuthorNeggin Keshavarzian

CategoriesNewsTags2017

Targeted memory reactivation during sleep elicits neural signals related to learning content

Posted onNovember 9, 2017AuthorNeggin Keshavarzian

Wang, B., Antony, J., Lurie, S., Pacheco, P., Paller, K., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Competitive learning modulates memory consolidation during sleep

Posted onNovember 9, 2017November 9, 2017AuthorNeggin Keshavarzian

Antony, J., Cheng, L.Y., Pacheco, P., Paller, K., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Perception and recall of narrative event schemas

Posted onNovember 8, 2017AuthorNeggin Keshavarzian

Baldassano, C., Masis-Obando, R., Hasson, U., & Norman, K.A. (2017). Poster presented at the Society for Neuroscience Annual Meeting, Washington, DC.

CategoriesConference PresentationsTags2017

Sleep benefits memory for semantic category structure while preserving exemplar-specific information

Posted onNovember 3, 2017November 4, 2017AuthorNeggin Keshavarzian

Schapiro, A.C., McDevitt, E.A., Chen, L., Norman, K.A., Mednick, S.C., & Rogers, T.T. (2017). Scientific Reports.

CategoriesArticlesTags2017, Research papers

Does mental context drift or shift?

Posted onSeptember 1, 2017AuthorNeggin Keshavarzian

DuBrow, S., Rouhani, N., Niv, Y., & Norman, K.A. (2017). Current Opinion in Behavioral Sciences.

CategoriesArticlesTags2017, Review papers

How we transmit memories to other brains: Constructing shared neural representations via communication

Posted onAugust 11, 2017March 13, 2019AuthorNeggin Keshavarzian

Zadbood, A., Chen, J., Leong, Y.C., Norman, K.A., & Hasson, U. (2017). Cerebral Cortex.
* fMRI data

CategoriesArticlesTags2017, Research papers

Princeton researchers show how the brain breaks down events

Posted onAugust 2, 2017AuthorNeggin Keshavarzian

Research by Princeton University neuroscientists provides a new framework for understanding how the experience of life is accumulated, stored and recalled by the human brain.
– News at Princeton
August 2, 2017

CategoriesNewsTags2017

Discovering event structure in continuous narrative perception and memory

Posted onAugust 2, 2017August 2, 2017AuthorNeggin Keshavarzian

Baldassano, C., Chen, J., Zadbood, A., Pillow, J.W., Hasson, U., & Norman, K.A. (2017). Neuron.

CategoriesArticlesTags2017, Research papers

Mapping between fMRI responses to movies and their natural language annotations

Posted onJuly 25, 2017July 25, 2017AuthorNeggin Keshavarzian

Vodrahalli, K., Chen, P.H., Liang, Y., Baldassano, C., Chen, J., Yong, E., Honey, C.,  Hasson, U., Ramadge, P., Norman, K.A., & Arora, S. (2017). Neuroimage.

CategoriesArticlesTags2017, Research papers

Shared memories reveal shared structure in neural activity across individuals

Posted onMarch 7, 2017March 13, 2019AuthorNeggin Keshavarzian

Chen, J., Leong, Y.C., Honey, C.J., Yong, C. H., Norman, K.A., & Hasson, U. (2017). Nature Neuroscience.
* fMRI data

CategoriesArticlesTags2017, Research papers

Princeton Computational Memory Lab
Department of Psychology
Princeton Neuroscience Institute
Princeton University



Research Image Credits:
Godzilla vs. Mechagodzilla II/TriStar Pictures
American Telephone and Telegraph Company
Sal the Colour Geek/Flickr
Dee Ashley/Flickr
Nitish Meena
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