CEMS 2021

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CEMS 2019

The 17th Annual Context and Episodic Memory Symposium (CEMS2021) was held at The Logan Hotel, in Philadelphia, PA, on August 16th and 17th, 2021. Every year, the symposium provides a forum for the exchange of ideas among colleagues working on theoretical and empirical approaches to the study of context and episodic memory, broadly construed. All presentations at CEMS 2021 were delivered in person. Our program committee decided to use CEMS2021 to highlight the work of younger investigators, particularly postdocs and junior faculty. These two groups were prioritized for spoken presentations. All other groups who submitted work (senior faculty, graduate students) were given poster presentations.

Location & Hotel


The venue for CEMS 2021 was The Logan, located in downtown Philadelphia, Pennsylvania.

The Logan hotel is located at 1 Logan Square, Philadelphia, PA 19103.

More information on The Logan can be found on their website. Click here to view this location on Google Maps.


Monday Tuesday
8:30 Breakfast and Registration 8:30 Breakfast and Registration
Spoken Session 1
Spoken Session 1
9:15 Michael Peer (University of Pennsylvania): The human brain uses spatial schemas to represent segmented environments. 9:15 John Sakon (University of Pennsylvania): Hippocampal ripples signal contextually mediated episodic recall.
9:35 Neal W. Morton (University of Texas at Austin): Neural Representations of temporal schemas in hippocampal and precuneus predict schema-based learning. 9:35 Yvonne Chen (University of Pennsylvania): Stability of ripple events during task engagement in human hippocampus.
9:55 Lukas Kunz (Columbia University): A Neural code for egocentric spatial maps in the human brain. 9:55 Kevin P. Darby (University of Virginia): Seeking the source of confidence in memory-guided decisions.
10:15 Break 10:15 Break
Spoken Session 2
Spoken Session 2
10:45 Salman E Qasim (University of Pennsylvania): Gamma oscillation in the human hippocampus and amygdala support arousal-mediated memory. 10:45 Martin Ho Kwan Ip (University of Pennsylvania): How A Word Is Produced Affects How It Is Remembered: Effects Of Prosodic Context On Word Learning And Memory.
11:05 Halle Dimsdale-Zucker (Columbia University): CA23DG patterns are modulated by spontaneously retrieved encoding contexts. 11:05 Sudeep Bhatia (University of Pennsylvania): A Cognitive Model of Free Association.
11:25 Sarah Solomon (University of Pennsylvania): Human and models leverage statistics across episodes to build structured category representations. 11:25 Zhifang Ye (University of Oregon): Prior Experiences bias memory decisions through global pattern similarity.
11:45 Zoran Tiganj (Indiana University Bloomington): Learning temporal relationships with artificial neural networks inspired by computational models of memory. 11:45 Emily R. Weichart (The Ohio State University): Common mechanisms support between- and within- trial learning dynamics.
12:05 Lunch and Poster Setup 12:05 Lunch and Poster Setup
1:00 Poster Session 1:00 Poster Session
Spoken Session 3
Spoken Session 3
2:30 M. Karl Healey (Michigan State University): A Post-Encodifing Pre-Production Reinstatement (PEPPR) Model of Dual-List Free Recall. 2:30 Wei Tang (Indiana University Bloomington): Autocorrelated activity in the human hippocampus encodes transition patterns during visual statistical learning.
2:50 Noa Herz (University of Pennsylvania): Hippocampal biomarkers of false recalls. 2:50 James Kragel (Northwestern University): Hippocampal theta oscillations rapidly map effective visual exploration.
3:10 Vishnu P. Murty (Temple University): Influences of reward Motivation on Episodic Memory Structure and Free Recall Dynamics. 3:10 Closing Remarks
3:30 Break
Spoken Session 4
4:00 Greg Cox (University of Albany): An integrative account of serial position effects in recognition
4:20 Rui Cao (Boston University): Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed
4:40 Cybelle M. Smith (University of Pennsylvania): Learning context-dependent temporal associations across time-scales.
5:00 - 7:00 Reception

Schedule for Poster Presentations

Monday Tuesday
Susan L. Benear, Elizabeth A. Horwath, Emily Cowan, M. Catalina Camacho, Chi T. Ngo, Nora S. Newcombe, Ingrid R. Olson, Susan B. Perlman, & Vishnu P. Murty: Children show adult-like hippocampal pattern similarity for familiar but not novel events. Futing Zou, Emily J. Allen, Yihan Wu, Ian Charest, Thomas Naselaris, Kendrick Kay, J.Benjamin Hutchinson, Sarah DuBrow: Hippocampal and entorhinal pattern reinstatement mediates long-timescale temporal memory.
Savannah Born, Buddhika Bellana, Janice Chen: Written description length as an index for context dependence in naturalistic movies. Manasi Jayakumar, Chinmayi Balusu, Mariam Aly: Spontaneous attentional fluctuations and the temporal organization of recall.
Ian M. Bright, Inder Singh, Rebecca Didomenica, Aude Oliva, Marc W. Howard: Memories are stored along a compressed timeline of the past. Caleb Jerinic-Brodeur, Blake Elliott, Cole Williams, Erika Pages: Value-Directed Memory Encoding Alters Goal-Directed Attention: A Comparison of Value-directed and Memory-directed Encoding.
Ryan A. Colyer & Michael Kahana: Hippocampal phase reset as a marker of memory encoding. Camille R. Johnston, Megan Quarmley, Caleb Haynes, Brady Nelson, Chelsea Helion, Vishnu P. Murty, Johanna M. Jarcho: Social Memory Bias for Perceived Memories vs. Perceived Predictions: A Function of Schemas or Veridical Memory?
Rebecca A. Cutler, Neal W. Morton, Sean M. Polyn: Stress-testing the memory system: Varying distraction to characterize semantic and temporal interactions in free recall. Ryan P. Kirkpatrick & Per B. Sederberg: Towards a Laplace Decision Model in Support of Memory-Guided Decisions.
Nicholas B. Diamond & Michael J. Kahana: Medial temporal lobe theta oscillations during ongoing experience shape memory organization. Xian Li, Buddhika Bellana, Savannah Born, Anna Hu, Janice Chen: The Role of Agency in Memory for Narratives: A Choose-Your-Own-Adventure Paradigm.
Kathryn N. Graves, Brynn E. Sherman, David Huberdeau, Eyiyemisi Damisah, Imran H. Quraishi, Nicholas B. Turk-Browne: Remembering the pattern: a case study on statistical learning in spatial navigation and memory consolidation. Lynn J. Lohnas: A retrieved context account of memory gains and losses across multiple tests.
Tamara Gedankien, Ryan Joseph Tan, Joshua Jacobs, Bradley Lega: Cholinergic modulation of hippocampal oscillations in humans. Mason McClay & David Clewett: Selective and bidirectional effects of emotional stimuli on temporal order memory.
Ada Aka, Sudeep Bhatia, John McCoy: Semantic Determinants of Memorability. Uma Mohan, Honghui Zhang, Joshua Jacobs: The direction and timing of cortical traveling waves modulates human memory processes.
David Halpern & Michael Kahana: Directly measuring reactivation of memorized content with electrophysiology. Haley Moore, Hye Bin Yoo, Gray Umbach, Bradley Lega: Boundary cells in the representation of episodes in the human hippocampus.
Augustin C. Hennings, Jarrod A. Lewis-Peacock, Joseph E. Dunsmoor: Emotional learning retroactively enhances item memory but distorts source attribution. Abigail M. D. Mundorf, Mitchell G. Uitvlugt, M. Karl Healey: Does Depth of Processing Affect Temporal Contiguity?
Marc W. Howard & Zahra G Esfahani: A continuous attractor model for associative recall of correlated patterns. Lindsay I. Rait & Sarah DuBrow: Contextual novelty and familiarity influence the effects of switching on free recall performance.
Yuju Hong, Isabelle L. Moore, Devyn E. Smith, Nicole M. Long: Electrophysiological signatures of memory encoding and memory retrieval states. Xinxu Shen, David V. Smith, Vishnu P. Murty: Age- and anxiety-related influences of curiosity on free recall using an automated-machine learning scoring approach.
Jiawen Huang, Wei Ji Ma, Christopher Baldassano: Modelling schema development and its role in memory through 4-in-a-row, a two-player, abstract strategy board game. Matt Siegelman, Niko Kriegeskorte, Christopher Baldassano: Modeling naturalistic schema learning with computer-generated poetry.
Brandon Jacques, Aakash Sarkar, Zoran Tiganj, Marc W. Howard, Per B. Sederberg: SITHCon: How time cells help build scale invariant deep learning models. Alexandra Soares & Chris Baldassano: Manipulating Temporal Event Structure via Top-Down Script Activation.
Nimay Kulkarni & Bradley Lega: Theta and Gamma during Encoding Distinguish Primacy from Recency events in Free Recall. Hayoung Song, Won Mok Shim, Monica D. Rosenberg: Brain state dynamics reflect cognitive and attentional state dynamics.
Isabelle L. Moore & Nicole M. Long: Study-phase mechanisms of memory organization in free recall. Büsra Tanriverdi, Susan Benear, Athanasia Metoki, Vishnu P. Murty, Jason Chein, Ingrid R. Olson: Coordinated hippocampal reactivation during post-learning rest predicts poorer subsequent memory.
Joseph Rudoler, Nora Herweg, Michael Kahana: Oscillatory Biomarkers of Episodic Memory Wangjing Yu, Asieh Zadbood, Avi J.H. Chanales, Lila Davachi: Post-encoding Replay Prioritizes Strong Memory and Rescues Weak Memory.

Past Symposia

For information about past CEMS events, please click here.