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Publications

2017

Time-resolved neural reinstatement and separation during memory decisions in human hippocampus

Lynn LohnasKatherine DuncanWerner K. DoyleOrrin DevinskyLila Davachi
biorxiv

Lingering Cognitive States Shape Fundamental Mnemonic Abilities
More than the sum of its parts: A role for the hippocampus in configural reinforcement learning

Anuya Patil and Katherine Duncan
Accepted to Psychological Science

Abstract

Katherine Duncan, Bradley Doll, Nathaniel Daw, and Daphna Shohamy
In Revision at Neuron

Abstract

2016

High-resolution investigation of memory-specific reinstatement in the hippocampus and perirhinal cortex
Memory states influence value-based decisions

Alexa Tompary, Katherine Duncan, and Lila Davachi
Hippocampus: 26, 995–1007, 2016

Katherine Duncan and Daphna Shohamy
Journal of Experimental Psychology: General, Accepted

2015

Consolidation of associative and item memory is related to post-encoding functional connectivity between the ventral tegmental area and different medial temporal lobe subregions during an unrelated task
Model-based choices involve prospective neural activity

Alexa Tompary*, Katherine Duncan*, and Lila Davachi
Journal of Neuroscience, 35(19):7326–7331, 2015

Bradley Doll, Katherine Duncan, Dylan Simon, Daphna Shohamy and Nathaniel Daw
Nature Neuroscience 18, 767–772 (2015)

2014

Associative encoding and retrieval are predicted by functional connectivity in distinct hippocampal area CA1 pathways

Katherine Duncan, Alexa Tompary, and Lila Davachi
Journal of Neuroscience 34(34): 11188-11198, 2014

2012

Memory’s penumbra: Episodic memory decisions induce lingering mnemonic biases
Evidence for area CA1 as a match/mismatch detector: A high- resolution fMRI study of the human hippocampus

Katherine Duncan, Arhanti Sadanand, Lila Davachi
Science 337(6093):485-7

Katherine Duncan, Nicholas Ketz, Souheil Inati and Lila Davachi
Hippocampus 22(3):389-98

2011

Perirhinal and parahippocampal cortices differentially contribute to later recollection of object- and scene-related event details
Neural and cognitive mechanisms underlying human episodic memory encoding and retrieval

Bernhard Staresina, Katherine Duncan, and Lila Davachi
Journal of Neuroscience 31(24):8739-47

Katherine Duncan
Doctoral Thesis, New York University

2009

Distinct memory signatures in the hippocampus: intentional states distinguish match and mismatch enhancement signals

Katherine Duncan, Clayton Curtis and  Lila Davachi
Journal of Neuroscience 29(1):131-9

Conferences and Talks*

2017

The lingering influence of novelty shapes fundamental memory processes

Katherine Duncan
Cognitive Neuroscience Society Annual Meeting, San Francisco

Durability of statistical learning

Helen Liu, Katherine Duncan and Amy Finn
47th Annual Ontario Psychology Undergraduate Thesis Conference, Ottawa

Learning from the unexpected to improve hindsight: Forming rich episodic memories may be particularly helpful when we don’t know what to learn

Katherine Duncan
Computational and Systems Neuroscience, Salt Lake City

Mnemonic Prediction errors modulate hippocampal connectivity patterns

Oded Bein, Katherine Duncan and Lila Davachi
Cognitive Neuroscience Society Annual Meeting, San Francisco

2016

Recent Exposure to novelty shapes fundamental memory processes

Katherine Duncan and Anuya Patil
International Conference on Memory, Budapest

Disentangling the contributions of episodic memory and incremental learning to value-based decisions

Katherine Duncan, Raphael Gerraty, Bradley Doll, Nathaniel Daw and Daphna Shohamy
Society of Neuroscience Annual Meeting, San Diego

Shifting the balance between pattern separation and completion: Recent memory retrieval increases people’s subsequent ability to recall associations

Anuya Patil, Freha Mian, Jihad El Sheikh and Katherine Duncan
Cognitive Neuroscience Society, New York

Effects of dopamine on the consolidation of learning and memory: Implications for Parkinson’s disease

Madeleine Sharp, Karin Foerde, Katherine Duncan and Daphna Shohamy
Cognitive Neuroscience Society, New York

Modulation of mnemonic processing based on task relevance

Lohans, L., Duncan, K., Thesen, T., Devinsky, O., Davachi, L.
Cognitive Neuroscience Society Annual Meeting, New York

Shifting the balance between pattern separation and completion: Recent memory retrieval increases people’s subsequent ability to recall associations

Anuya Patil, Freha Mian, Jihad El Sheikh and Katherine Duncan
Lake Ontario Visionary Establishment, Niagara Falls

Recent exposure to novelty shapes basic human memory processes

Katherine Duncan 
International Conference on Memory, Budapest, Hungary

Memory states influence value-based decision making

Katherine Duncan
University College London Affective Brain Seminar Series, London

Reading between the trials: How learning and memory relate to background measures of functional connectivity

Katherine Duncan
Toronto Western Research Institute Imaging Rounds, Toronto

Reading between the trials: How learning and memory relate to background measures of functional connectivity

Katherine Duncan
Rotman Research Institute Rounds, Toronto

The influence of ongoing cognitive and neural processing on learning and memory

Katherine Duncan
Ebbinghaus Empire Meeting, Toronto

2015

Hippocampal contributions to configural probabilistic learning

Katherine Duncan, Bradley Doll, Nathaniel Daw, Daphna Shohamy
Society for Neuroscience Annual Meeting, Chicago

Effects of dopamine on the consolidation of incremental learning: Implications for Parkinson’s disease

Madeleine Sharp, Karin Foerde, Katherine Duncan, Daphna Shohamy
Society for Neuroscience Annual Meeting, Chicago

Hippocampal contributions to configural probabilistic learning*

Katherine Duncan
Manhattan Area Memory Meeting, Princeton

The penumbra of memory: How lingering biases in mnemonic processing influence memory

Katherine Duncan
Everything Neuroscience Conference, Toronto

2014

Contributions of episodic memory to value-based decisions*

Katherine Duncan
Society for Neuroeconomics, Miami

Contributions of episodic memory to value-based decisions*

Katherine Duncan
Manhattan Area Memory Meeting, New York

2013

High-resolution investigation of trial-level and state-level similarity in the hippocampal subfields and MTL cortex

Alexa Tompary, Katherine Duncan, and Lila Davachi
Society for Neuroscience Annual Meeting, San Diego

Interaction between the medial temporal lobe and the striatum during configural and elemental probabilistic classification learning

Katherine Duncan, Bradley Doll. Nathaniel Daw, and Daphna Shohamy
Society for Neuroscience Annual Meeting, San Diego

Neural correlates of model-based and model-free reinforcement learning strategies

Bradley Doll, Katherine Duncan, Dylan Simon, Daphny Shohamy, Nathaniel Daw
Society for Neuroscience Annual Meeting, San Diego

Recent exposure to novelty influences how memory guides decisions

Katherine Duncan & Daphna Shohamy
Multidisciplinary Conference on Reinforcement Learning and Decision Making, Princeton

Neural correlates of forward planning in model-based reinforcement learning

Bradley Doll, Katherine Duncan, Dylan Simon, Daphny Shohamy, and Nathaniel Doll
Multidisciplinary Conference on Reinforcement Learning and Decision Making, Princeton

Value-based decisions are modulated by exposure to familiar vs. novel cues

Katherine Duncan & Daphna Shohamy
Cognitive Neuroscience Society Annual Meeting, San Francisco

What counts as ‘rest’?: low–frequency correlations within the medial temporal lobe during an unrelated task predict memory

Alexa Tompary, Katherine Duncan, & Daphna Shohamy
Cognitive Neuroscience Society Annual Meting, San Francisco

The penumbra of memory: How lingering biases in mnemonic processing influence memories and decisions*

Katherine Duncan
University of Toronto

Recent exposure to novelty influences how memory guides decisions*

Katherine Duncan
Manhattan Area Memory Meeting, New York University

The penumbra of memory: How our memories and decisions are influenced by recent mnemonic processing*

Katherine Duncan
Cognitive Lunch Talk Series, Columbia University

2012

The distinct processing demands of episodic encoding and retrieval: behavioural consequences and hippocampal mechanisms*

Katherine Duncan
The Rotman Research Institute, Toronto

2011

High-resolution fMRI measurements of hippocampal and medial temporal lobe subregion interactions during episodic memory formation and retrieval

Katherine Duncan & Lila Davachi
Cognitive Neuroscience Society Annual Meeting, San Francisco

High-resolution fMRI reveals distinct encoding and retrieval states within the hippocampal and midbrain network*

Katherine Duncan
Society for Neuroscience, Washington DC

2010

Carry-over effects provide evidence for pattern separation and completion biases

Katherine Duncan & Lila Davachi
Society for Neuroscience Annual Meeting, San Diego

Temporal Dynamics of blood-oxygen-level dependent (BOLD) responses in the medial temporal lobe during associative encoding

Katherine Duncan, Bernhard Staresina , and Lila Davachi
Cognitive Neuroscience Society Annual Meeting, Montreal

Domain specificity in medial temporal lobe cortex during episodic memory formation

Bernhard Staresina, Katherine Duncan, and Lila Davachi
Cognitive Neuroscience Society Annual Meeting, Montreal

The tension between encoding and retrieval: An investigation of behavioral consequences and hippocampal mechanisms*

Katherine Duncan
Motivated Memory Group Meeting, Duke University

The tension between encoding and retrieval: An investigation of behavioral consequences and hippocampal mechanisms*

Katherine Duncan
Learning Lab Group Meeting, Columbia University, New York

Characterizing the variability of hemodynamic responses in the medial temporal lobe: Functional significance and implications for modeling*

Katherine Duncan
Center for Brain Imaging Users Group Meeting, New York

2009

Match’ and ‘mismatch’ signals: A high-resolution fMRI study of the human hippocampus

Katherine Duncan, Nicholas Ketz, and Lila Davachi
Cognitive Neuroscience Society Annual Meeting, San Francisco

Match/mismatch calculations in the human hippocampus: A high-resolution fMRI study*

Katherine Duncan
Society for Neuroscience, Chicago

2008

Match’ and ‘mismatch’ signals: A high-resolution fMRI study of the human hippocampus

Katherine Duncan, Nicholas Ketz, and Lila Davachi
Society for Neuroscience Annual Meeting, Washington DC.

Relational ‘match’ and ‘mismatch’ signals in the human hippocampus are differentially modulated by active maintenance and perceptual novelty

Katherine Duncan & Lila Davachi
Cognitive Neuroscience Society Annual Meeting, San Francisco

Relational ‘match’ and ‘mismatch’ signals in the human hippocampus are differentially modulated by active maintenance and perceptual novelty*

Katherine Duncan
Brown Bag Series, New York University

2007

Relational ‘match’ and ‘mismatch’ signals in the human hippocampus

Katherine Duncan & Lila Davachi
Society for Neuroscience Annual Meeting, San Diego