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Items (21-40) out of 176 results

Bottom-Up and Top-Down Processes Underlying LC-NA System Activity Revealed by Simultaneous Pupillometry and EEG

Description:
This combined EEG/pupillometry study examined whether activity within the locus coeruleus-noradrenergic (LC-NA) system can be elicited by infrequent stimuli under both bottom-up (stimulus driven) and …
Year:
2023
Contributor:
Desmond, Grace M (creator)
Festa, Elena (thesis advisor)
Heindel, William (thesis advisor)
Badre, David (reader)
Brown University. Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Electroencephalography
Alzheimer's disease
Pupillometry
Locus coeruleus
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Brown University Class of 2023

Description:
Even as religious devotion becomes less and less mainstream, undergraduate students continue to practice religion despite the friction with which it often grinds against the …
Year:
2023
Contributor:
Tully, Daniel (creator)
McCullough, Fr. Edmund (thesis advisor)
Sloman, Steven (reader)
Brown University. Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Ethics
Religion
Students
Religiousness
Christian ethics
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Can you follow your friends? Effects of ensemble averaging, attention, and grouping when following a crowd.

Description:
Models of collective motion assume that pedestrians average over the entire neighborhood. However, there are many situations in which pedestrians are not averaging, such as …
Year:
2023
Contributor:
Willcoxon, Meghan Kristina (creator)
Warren, William (Advisor)
Song, Joo-Hyun (Reader)
Welch, Leslie (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Attention
Perception
Virtual reality
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Categorizing Dogs’ Real World Visual Statistics

Description:
Dogs have a unique evolutionary relationship with humans and are relied upon in a variety of working roles, yet little is known about the kinds …
Year:
2023
Contributor:
Pelgrim, Madeline H (creator)
Buchsbaum, Daphna (Advisor)
Tellex, Stefanie (Reader)
Serre, Thomas (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Eye tracking
Dogs
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Causal Models in Prediction and Diagnosis

Description:
Making decisions often requires quick and intuitive assessments of the likelihood of unobserved events. People make such judgments with little effort, quickly and systematically. The …
Year:
2010
Contributor:
Fernbach, Philip M (creator)
Sloman, Steven (Director)
Malle, Bertram (Reader)
David, Sobel (Reader)
Brown University. Cognitive and Linguistic Sciences: Cognitive Sciences (sponsor)
Genre:
theses
Subject:
predictive reasoning
diagnostic reasoning
causal reasoning
conditional probability
development
probabilistic models
Bayesian models
Judgment
Reaction time
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Cognitive Sciences
Theses and Dissertations
Full Record

Children's Selective Learning Based on Informants’ Informativeness

Description:
The selective learning literature has shown that children are able to track informants’ epistemic status, such as their history of accuracy, and use this information …
Year:
2023
Contributor:
Yin, Heyang (creator)
Sobel, David (Advisor)
Feiman, Roman (Reader)
Buchsbaum, Daphna (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Social learning
Developmental psychology
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Circuits and Mechanisms of Contextual Integration in Visual Cortex

Description:
Spatial context is known to affect how a stimulus is perceived. A variety of illusions spanning all visual modalities have been attributed to contextual processing, …
Year:
2016
Contributor:
Mély, David Alex (creator)
Serre, Thomas (Director)
Paradiso, Michael (Reader)
Warren, William (Reader)
Brown University. Cognitive and Linguistic Sciences: Cognitive Sciences (sponsor)
Genre:
theses
Subject:
Visual cortex
vision
computational neuroscience
biological vision
context
visual context
population
visual illusion
recurrent neural network
neurophysiology
Collection:
Cognitive, Linguistic, and Psychological Sciences
Cognitive Sciences
Theses and Dissertations
Full Record

ClickMe: Large-Scale Human-in-the-Loop Feature Importance Mapping to Train Brain-Aligned Deep Neural Networks

Description:
Discrepancies between human and deep neural network (DNN) strategies for object recognition pose critical challenges in domains demanding interpretable and trustworthy models. To address this …
Year:
2025
Contributor:
Gopal, Jay (creator)
Serre, Thomas (thesis advisor)
Linsley, Drew (reader)
Sridhar, Srinath (reader)
Brown University. Cognitive and Psychological Sciences (sponsor)
Genre:
theses
Subject:
computational neuroscience
deep neural networks
artificial intelligence
computer vision
psychophysics
explainability
machine learning
deep learning
neuroscience
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Cognitive and Computational Accounts of Adaptive Inference in Dynamic Social Networks

Description:
Social success depends not only on who we interact with in the moment, but also on the many connections those individuals have within the community. …
Year:
2026
Contributor:
Xia, Alice (creator)
FeldmanHall, Oriel (Advisor)
Frank, Michael (Reader)
Levari, David (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Cognition--Social aspects
Social Judgment
Social perception
Social psychology
Social networks
Decision making--Social aspects
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Cognitive Control under Reward and Penalty: Mechanisms Underlying Variability within and across Individuals

Description:
People can flexibly adjust how they achieve their goals by configuring cognitive control, but the investment of cognitive control must be sufficiently motivated. Whereas prior …
Year:
2024
Contributor:
Leng, Xiamin (creator)
Shenhav, Amitai (Advisor)
Frank, Michael (Reader)
Rasmussen, Steven (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Cognitive neuroscience
cognitive control
Motivation (Psychology)
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Cognitive maps of social features enable flexible inference in social networks

Description:
In order to navigate a complex web of relationships, an individual must learn and represent the connections between people in a social network. However, the …
Year:
2023
Contributor:
Son, Jae-Young (creator)
FeldmanHall, Oriel (Advisor)
Badre, David (Reader)
Frank, Michael (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Social networks
Cognitive maps (Psychology)
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Compositionality in Human Structure Learning

Description:
Humans are remarkably adept at generalizing knowledge between experiences in a way that can be difficult for computers. Often, this entails generalizing constituent pieces of …
Year:
2018
Contributor:
Franklin, Nicholas Thompson (creator)
Frank, Michael (Advisor)
Badre, David (Reader)
Littman, Michael (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Cognitive science
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Computational Psychiatry: Combining multiple levels of analysis to understand brain disorders

Description:
The premise of the emerging field of computational psychiatry is to use models from computational cognitive neuroscience to gain deeper insights into mental illness. In …
Year:
2014
Contributor:
Wiecki, Thomas V (creator)
Frank, Michael (Director)
Serre, Thomas (Reader)
Sudderth, Erik (Reader)
Greenberg, Benjamin (Reader)
Brown University. Psychology (sponsor)
Genre:
theses
Subject:
computational psychiatry
computational modeling
neural networks
drift diffusion model
bayesian modeling
Neural networks (Neurobiology)
Machine learning
Mental illness
Cognitive neuroscience
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Psychology
Theses and Dissertations
Full Record

Considering the Context: How Context Provides Insight into how the Components of Motivation are Shaped

Description:
It is now well understood that whether we reach our goals is not just dependent on our ability to do so but also our motivation. …
Year:
2024
Contributor:
Prater Fahey, Mahalia (creator)
Shenhav, Amitai (Advisor)
Frank, Michael (Reader)
Nassar, Matt (Reader)
Hartley, Catherine (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Motivation (Psychology)
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Context and Value Encoding in the Orbitofrontal Cortex: Investigating the Representational Geometry of the OFC

Description:
Growing bodies of research emphasize the importance of representing both context and expected value (EV) in support of flexible behavior. Both representations have been pinned …
Year:
2019
Contributor:
Jones, Henry (creator)
Badre, David (thesis advisor)
Festa, Elena (reader)
Brown University. Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Decision making
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Corticostriatal substrates of confirmation bias in reinforcement learning: behavior, genetics, and neurocomputation

Description:
A wealth of research shows how the dopaminergic frontostriatal system incrementally learns from<br/> rewards and punishments. Midbrain dopamine cells show phasic firing rate changes in …
Year:
2012
Contributor:
Doll, Bradley Benjamin (creator)
Frank, Michael (Director)
Sloman, Steven (Reader)
Badre, David (Reader)
Brown University. Cognitive and Linguistic Sciences: Cognitive Sciences (sponsor)
Genre:
theses
Subject:
reinfocement learning
computational model
instructional control
Dopamine
Reinforcement learning
Basal ganglia
Prefrontal cortex
Language:
English
Collection:
Cognitive, Linguistic, and Psychological Sciences
Cognitive Sciences
Theses and Dissertations
Full Record

Credit Assignment by Three-Factor Plasticity

Description:
How synaptic plasticity in-vivo manages diverse properties of biological neural networks remains poorly understood. My collaborators and I address this by examining basic models of …
Year:
2022
Contributor:
Scott, Daniel Nelson (creator)
Frank, Michael (Advisor)
Badre, David (Reader)
Moore, Christopher (Reader)
Asaad, Wael (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Machine Learning
Reinforcement learning
Neocortex
Calcium
Neuroplasticity--Mathematical models
Corpus striatum
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Determinants of People’s Moral Concern for Robots

Description:
Abstract of Determinants of People’s Moral Concern for Robots, by Zhongyao Cui, ScM., Brown University, May 2026. This project examined the factors that influence people’s …
Year:
2026
Contributor:
Cui, Zhongyao (creator)
Malle, Bertram (Advisor)
Marshall, Julia (Reader)
Banks, Jaime (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
human-robot interaction
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Available to Brown-affiliated users only
Full Record

Developing a Multi-Dimensional Model and Measure of Human-Robot Trust

Description:
Trust, and specifically appropriate trust, is essential to beneficial interaction between agents. Robots are becoming increasingly present in everyday life and offer a multitude of …
Year:
2021
Contributor:
Ullman, Daniel (creator)
Malle, Bertram (Advisor)
FeldmanHall, Oriel (Reader)
Tellex, Stefanie (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Cognitive science
human-robot interaction
Human-robot trust
Trust
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Discounting and Reward Learning in the Exercise Domain

Description:
Complex health behaviors such as exercise involve daily value-based decisions such as whether to go for a walk or stay at home and rest. When …
Year:
2019
Contributor:
Emerson, Jessica (creator)
Frank, Michael (Advisor)
Shenhav, Amitai (Reader)
Williams, David (Reader)
Brown University. Department of Cognitive, Linguistic, and Psychological Sciences (sponsor)
Genre:
theses
Subject:
Exercise
Reward (Psychology)
Delay discounting (Psychology)
Reward learning
Ecological Momentary Assessment
Cognitive effort
Collection:
Cognitive, Linguistic, and Psychological Sciences
Theses and Dissertations
Full Record

Items (21-40) out of 176 results