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Kate Nussenbaum

@katenuss.bsky.social
4.1K followers 607 following 53 posts

assistant professor at Boston University | learning, memory, development | bucoldlab.org

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Reposted by Kate Nussenbaum
RLDM @rldmparis2027.bsky.social · 29/09/2026
📣 Save the date! RLDM 2027, the Multi-disciplinary Conference on Reinforcement Learning and Decision Making, is coming to Paris, July 6-9, 2027 🎉 Stay tuned for submission deadlines and more updates on our website rldm.org 👀
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Kate Nussenbaum @katenuss.bsky.social · 06/09/2026
I sadly won't make it to @fluxsociety.bsky.social this year, but the lab has two posters on Tuesday / Wednesday: Session I: @lralvare1.bsky.social - Disentangling the cognitive mechanisms underlying developmental changes in value generalization. ➕ ➖
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Harrison Ritz @hritz.bsky.social · 27/08/2026
Our task-switching paper is now out at Current Biology! www.cell.com/current-biol... We find that that our brains reset to a task-neutral state between trials, providing flexibility when the upcoming task is uncertain. RNNs also learn this strategy, but only when trained to switch tasks.
schematic of how a brain might reset to a neutral state between trials
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Nora Harhen @noraharhen.bsky.social · 11/08/2026
How do we make good decisions with little experience? Adults can rely on memories of past choices. In our new study in @pnas.org we show kids & teens do something similar–but what they remember turns out to be quite different! www.pnas.org/doi/10.1073/...
pnas.org
Developmental changes in memory structure and precision alter the use of retrieved episodes during decisions for reward | PNAS
Most widely studied option evaluation strategies rely on knowledge accumulated across repeated experiences. But how should options be evaluated in ...
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Kate Nussenbaum @katenuss.bsky.social · 11/08/2026
Well, this is a bummer.
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samuel mehr @mehr.nz · 16/07/2026
calling all researchers who collect data from humans 🧠🧪 we are running a very brief survey (<1 min) about jsPsych, the software ecosystem for browser-based data collection. if you use jsPsych, or if you collect data with any other software, please fill it out at tinyurl.com/jspsych-census!
I am writing on behalf of the leadership of jsPsych, the software ecosystem for browser-based data collection used in experiments and surveys from many labs worldwide.

It has been difficult for us to figure out how widespread jsPsych usage is, because the software is freely available online and we do not collect any information about downloads, users, experiments posted online, etc. While the software has been cited in thousands of articles, jsPsych usage is likely more widespread than those citations imply, because not every project using jsPsych leads to a citation, and because there are also often substantial delays between actual jsPsych usage and a publication. As such, we are conducting a very brief census of jsPsych users.

If you collect data from humans using jsPsych or any other type of software, we would appreciate your filling out a very brief survey (<1 min) at tinyurl.com/jspsych-census. This will help us to understand how many people, labs, and institutions are current or former users of jsPsych, information that will help support the long-term sustainability of the jsPsych ecosystem.

We would also appreciate it if you could circulate this message to your lab, your department listserv, and your collaborators, to help ensure that it reaches as many members of the research community as possible. The survey is being distributed by Josh de Leeuw, Melissa Kline Struhl, and myself. Please contact me (sam@auckland.ac.nz) off-list if you have any questions about it.
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Jonathan Nicholas @jonathannicholas.bsky.social · 19/06/2026
We make flexible choices in new situations by knitting together information from separate relevant memories. But what governs which memories are retrieved and when? In a new preprint, we captured how people build decision variables from different memories by tracking their gaze on a blank screen.
biorxiv.org
Flexible decisions arise from resource-rational memory sampling
Flexible decision making depends on retrieving and recombining memories. Yet because this process unfolds covertly, its governing principles remain unknown. Here we use gaze reinstatement to uncover t...
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Kate Nussenbaum @katenuss.bsky.social · 17/06/2026
📝 New preprint (co-led with Hannah Hamling as her NYU honors thesis!) 📝 🧠 Do adolescents learn differently in volatile versus stable environments? 🧠 Yes, and they seem to adapt their learning computations to a greater extent than adults! 😮 🤔 Preprint for deets (+ 👁️ data) osf.io/preprints/ps...
osf.io
OSF
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Hayley Dorfman @hayleydorfman.bsky.social · 08/06/2026
🌵🏜️🌵 Out now in @cognitionjournal.bsky.social with @rbhui.bsky.social! If your advisor sends you an unclear email, do you interpret it as good or bad? 😏😱 In a new paper, we show how people make inferences about this type of ambiguous feedback during learning. www.sciencedirect.com/science/arti...
sciencedirect.com
Ambiguity and confirmatory reward learning
We tend to interpret feedback in ways that confirm our pre-existing beliefs. Such confirmatory tendencies are often viewed as cognitive flaws, but mig…
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Ali Cohen @aliocohen.bsky.social · 03/06/2026
The LUMeN Lab at Emory is hiring ✨ We’re seeking a full-time RA/lab manager and a postdoc to work on new NIH-funded studies! Formal job ads/apps forthcoming. We’re eager to hit the ground running so please share these flyers and/or reach out if interested!
The Learning, Understanding, Memory, & Neurodevelopment Lab (LUMeN Lab, Pl: Dr.
Alexandra Cohen) in the Department of Psychology at Emory University (Atlanta, GA) is seeking a full-time Research Assistant (RA) to work on studies examining how motivation and emotion influence learning, memory, and brain function across development. The RA will gain experience with all components of the research process, providing excellent preparation for graduate studies.

The expected start date for the position is Summer/Fall 2026. A two-year commitment is requested. Application review will take place on a rolling basis until the position is filled.

Please reach out to
ali.cohen@emory.edu
with a CV and cover letter if you are interested
in this position.The Learning, Understanding, Memory, & Neurodevelopment Lab (LUMeN Lab, PI: Dr.
Alexandra Cohen) in the Department of Psychology at Emory University (Atlanta, GA) is seeking a Postdoctoral Fellow to work on NIH-funded studies examining emotion-related learning, memory, and brain function across development.

Applications will be reviewed on a rolling basis until the position is filled.

Please reach out to
ali.cohen@emory.edu
with a CV and cover letter if interested.
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Kate Nussenbaum @katenuss.bsky.social · 03/06/2026
How do we predict what’s going to happen next? In a new paper, we @arikahn.bsky.social @licezhang.bsky.social @nathanieldaw.bsky.social @catehartley.bsky.social ask how kids, teens, and adults solve this problem. onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Developmental Change in Structure Learning Reflects a Shift From Recency‐Based to Relational Prediction
Children are adept statistical learners, capable of parsing streams of structured input into meaningful units, but the cognitive processes they engage during learning may differ from those of adults...
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aaron bornstein @aaronbornstein.bsky.social · 26/05/2026
Now out in Developmental Science! @noraharhen.bsky.social, Rheza Budiono & @catehartley.bsky.social @hartleylabnyu.bsky.social use multi-patch foraging to identify a specific computational role for structure learning underlying developmental differences in exploration. dx.doi.org/10.1111/desc...
dx.doi.org
Structure Inference in Complex Environments Improves From Childhood to Adulthood
Early in development, children can infer latent structure in the world from sparse and ambiguous evidence. Through a process known as structure learning, they extract statistical regularities, const...
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Melissa Kibbe @levelsof.bsky.social · 11/05/2026
New work from my lab! Young children find it easier to represent mutually-exclusive possible identities of an object than possible locations of an object - an early object-rep-architecture limitation on possibility reasoning! Work led by @esranur.bsky.social recently accepted in Open Mind ✨
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Marcelo Mattar @marcelomattar.bsky.social · 21/04/2026
New Annual Review with @nathanieldaw.bsky.social: “Planning in the Brain: It's Not What You Think It Is.” We argue that the brain's 'planning' machinery is mostly used for learning from simulated experience, and that thinking prospectively at decision time is just one special case of this process.
annualreviews.org
Planning in the Brain: It&apos;s Not What You Think It Is
The neuroscience of planning has long been analogized to search algorithms in artificial intelligence (AI), which simulate future actions to guide immediate choices. We argue that advances in both neu...
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Bella Fascendini @bellafascendini.bsky.social · 10/03/2026
Are you attending @cogdevsoc.bsky.social 2026? Come join us for an afternoon pre-conference workshop on motivation in development! We'll bring together developmental, educational, and computational perspectives to ask: Can we build a unified account of motivation across the lifespan? ✨
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Laura Grima @lauragrima.bsky.social · 24/02/2026
Excited to be co-organising a #cosyne2026 workshop with Alison Comrie on 'algorithms for learning from scratch'! With a great line-up of speakers, we'll be tackling the question of what processes enable naive biological & artificial agents to adapt to new situations. Info here: tinyurl.com/4u8enf7k
sites.google.com
learningfromscratch
march 16th, workshop day 1 @ cosyne 2026
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Jonathan Nicholas @jonathannicholas.bsky.social · 23/01/2026
Our experiences have countless details, and it can be hard to know which matter. How can we behave effectively in the future when, right now, we don't know what we'll need? Out today in @nathumbehav.nature.com , @marcelomattar.bsky.social and I find that people solve this by using episodic memory.
nature.com
Episodic memory facilitates flexible decision-making via access to detailed events - Nature Human Behaviour
Nicholas and Mattar found that people use episodic memory to make decisions when it is unclear what will be needed in the future. These findings reveal how the rich representational capacity of episod...
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Emily Liquin @emilyliquin.bsky.social · 12/01/2026
A few days left to apply to join my lab as a PhD student! We study how people explore, how new ideas form, and how thinking develops. Learn more at liquinlab.github.io. Application review begins 1/15. #PsychSciSky #CogPsyc #CogSci #DevPsyc
liquinlab.github.io
ELM Lab @ UNH
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Deepu Murty @vpmurty.bsky.social · 07/01/2026
Fresh off the press from all-star post-doc Blake Elliott: www.pnas.org/doi/10.1073/... We show that the HPC supports coincidence detection across VTA and lPFC in service of novelty-evoked invigoration. Stay-tuned for how these circuits are altered in psychosis risk.
pnas.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Jacobs Foundation @jacobsfoundation.bsky.social · 24/11/2025
📢 Applications are open for the 2026 #JacobsCIFARFellowship! A new partnership between the Jacobs Foundation and CIFAR supports early- & mid-career researchers advancing how children learn & develop worldwide. 🗓️ Apply by 2 February 2026 → cifarportal.smapply.io/prog/jacobs_...
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racheldenison.bsky.social @racheldenison.bsky.social · 05/11/2025
My lab at Boston University has open positions for a postdoc and PhD students. We study visual perception, attention, and decision making with a focus on temporal dynamics. Check out our recent work here sites.bu.edu/denisonlab/ and email me if you're interested in learning more
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Kate Nussenbaum @katenuss.bsky.social · 15/10/2025
Excited about Alice's new paper, in which we find evidence that children as young as 8 years old use successor representations for multi-step planning. short 🧵 (1/4)
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Lexi Decker @lexidecker.bsky.social · 01/10/2025
Excited to share that I'm joining WashU in January as an Assistant Prof in Psych & Brain Sciences! 🧠✨! I'm also recruiting grad students to start next September - come hang out with us! Details about our lab here: www.deckerlab.com Reposts are very welcome! 🙌 Please help spread the word!
deckerlab.com
DeckerLab
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Alexa Tompary @alexatompary.bsky.social · 25/09/2025
The MAC lab at Drexel is looking for a new post-doc to work on NIH-funded projects investigating the intersection of prior knowledge and long-term memory consolidation. Please pass along to any interested lab members! careers.drexel.edu/cw/en-us/job...
careers.drexel.edu
Careers at Drexel - Human Resources
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Dylan Gee, PhD @dylanggee.bsky.social · 04/09/2025
Huge congrats to Dr. Lucinda Sisk on receiving the Flux Dissertation Award! 🎉 @fluxsociety.bsky.social #Flux2025
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Rachit Dubey @rachitdubey.bsky.social · 03/09/2025
My lab at UCLA is hiring 1-2 PhD students this cycle! Join us to work at the intersection of cognitive science and AI applied to pressing societal challenges like climate change. More info about me: rachit-dubey.github.io My lab: ucla-cocopol.github.io Please help repost/spread the word!
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Pete Hitchcock @pf-hitchcock.bsky.social · 29/08/2025
I'll be reviewing computational/cognitive and clinical psychology applications this year for the Translational Lab at Emory 💭🔬 Please share broadly and send applicants my way! 🔄 docs.google.com/document/d/1...
docs.google.com
Information for prospective graduate students
The Translational Lab will be reviewing applications this cycle! Prospective students can apply through Clinical Science or Cognitive and Computational Sciences in the Emory Psychology Department to ...
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Akram Bakkour @akrambakkour.bsky.social · 31/07/2025
Very happy to see this work with Euan Prentis posted! If you’re going to CCN next week, go check out Euan’s poster on this work!
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Lexi Decker @lexidecker.bsky.social · 31/07/2025
Thrilled to share our new @NatureComms paper: "Exploration is associated with socioeconomic disparities in learning and academic achievement in adolescence." www.nature.com/articles/s41... 🧵1/7
nature.com
Exploration is associated with socioeconomic disparities in learning and academic achievement in adolescence - Nature Communications
Children from lower socioeconomic backgrounds often show lower academic achievement, commonly linked to limited resources. Here, the authors show that reduced exploration–a behavior tuned for learning...
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Hayley Dorfman @hayleydorfman.bsky.social · 30/07/2025
🌵🏜️🌵 New preprint! How do people learn from ambiguous feedback, like whether someone is laughing *with* you 😆 or *at* you 😏? A very fun collab w/ the brilliant @rbhui.bsky.social A brief thread...👇 📖 osf.io/preprints/ps...
osf.io
OSF
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Rob Mok @robmok.bsky.social · 18/07/2025
JOB ALERT: Computational Cognitive Neuroscience Postdoc position in Osaka, Japan! Possible start in October 2025 (contact me ASAP), or from April 2026. PLEASE REPOST! #postdocjobs #neuroskyence #neuroscience #psychscisky #compneurosky #neurojobs 1/
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Marcelo Mattar @marcelomattar.bsky.social · 02/07/2025
Thrilled to see our TinyRNN paper in @nature! We show how tiny RNNs predict choices of individual subjects accurately while staying fully interpretable. This approach can transform how we model cognitive processes in both healthy and disordered decisions. doi.org/10.1038/s415...
doi.org
Discovering cognitive strategies with tiny recurrent neural networks - Nature
Modelling biological decision-making with tiny recurrent neural networks enables more accurate predictions of animal choices than classical cognitive models and offers insights into the underlying cog...
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Jo Cutler @drjocutler.bsky.social · 09/06/2025
Just 4 weeks until the abstract deadline for Curiosity, Information Seeking & Exploration - ciseconf.github.io/CISE_2025/ 🗓️ 30th Sept-1st Oct 📍 Brown University 👥 Romy Frömer, @hayleydorfman.bsky.social, Ohad Dan, Matt Nassar, Tali Sharot & Jacqueline Gottlieb 👇 Speakers Please submit & share!
ciseconf.github.io
CISE 2025
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Ari Kahn @arikahn.bsky.social · 05/06/2025
I'm thrilled to announce that I will start as an Assistant Professor in Psychology & Cognitive Science at the University of Arizona in Jan 2026! My lab will investigate human planning and decision making through a combination of computational models, behavior, and fMRI (1/2)
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David Clewett @davidclewett.bsky.social · 19/05/2025
New from our lab: your brain doesn’t just remember time - it bends it. We show that the dopamine system responds to natural breakpoints in experience, and this relates to more stretched memories of time. Blinking also increases, signaling encoding of new memories. www.biorxiv.org/content/10.1...
biorxiv.org
Dopaminergic processes predict temporal distortions in event memory
Our memories do not simply keep time - they warp it, bending the past to fit the structure of our experiences. For example, people tend to remember items as occurring farther apart in time if they spa...
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Sev Harootonian @harootonian.bsky.social · 19/05/2025
🚨 New preprint alert! 🚨 Thrilled to share new research on teaching! Work supervised by @cocoscilab.bsky.social, @yaelniv.bsky.social, and @markkho.bsky.social. This project asks: When do people teach by mentalizing vs with heuristics? 1/3 osf.io/preprints/os...
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Kate Nussenbaum @katenuss.bsky.social · 01/05/2025
New paper with @catehartley.bsky.social How does the reward structure of the environment influence the specificity with which children, adolescents, and adults learn and remember information? See preprint 🧵 and paper for our efforts to answer to this! #PsychSciSky www.nature.com/articles/s41...
nature.com
Reinforcement learning increasingly relates to memory specificity from childhood to adulthood - Nature Communications
Making rewarding choices can require either generalization or individuation. Here, the authors show that across contexts, people adapt the specificity with which they represent and, increasingly acros...
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Tristan Yates @tristansyates.bsky.social · 20/03/2025
Why do we not remember being a baby? One idea is that the hippocampus, which is essential for episodic memory in adults, is too immature to form individual memories in infancy. We tested this using awake infant fMRI, new in @science.org #ScienceResearch www.science.org/doi/10.1126/...
science.org
Hippocampal encoding of memories in human infants
Humans lack memories for specific events from the first few years of life. We investigated the mechanistic basis of this infantile amnesia by scanning the brains of awake infants with functional magne...
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Jonathan Nicholas @jonathannicholas.bsky.social · 14/03/2025
Why do we remember so many details of our experiences even when it is unclear if we will actually ever need them? In a new preprint, @marcelomattar.bsky.social and I asked whether this property is adaptive, because what will be relevant in the future often (usually?!) isn’t apparent.
biorxiv.org
Episodic memory facilitates flexible decision making via access to detailed events
Our experiences contain countless details that may be important in the future, yet we rarely know which will matter and which won't. This uncertainty poses a difficult challenge for adaptive decision ...
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Ali Cohen @aliocohen.bsky.social · 10/03/2025
Excited to share this brief review where @katieinsel.bsky.social & I discuss studying adolescence to understand how brains work! We highlight avenues for future collaborative work at the intersection of cognitive, computational, & developmental neuroscience 🧠 journals.sagepub.com/doi/10.1177/...
Current Directions in Psychological Science article entitled More Than Just a Phase: Adolescence as a Window Into How the Brain Generates Behavior
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Kate Nussenbaum @katenuss.bsky.social · 06/03/2025
New preprint 📝 - another fun collaboration with @arikahn.bsky.social, @licezhang.bsky.social, @nathanieldaw.bsky.social, @hartleylabnyu.bsky.social We ask: Why do children and adults often derive different representations of their environments from the same experiences? 🧠👶🔎 osf.io/preprints/ps...
osf.io
OSF
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The Hartley Lab @hartleylabnyu.bsky.social · 04/03/2025
🚨New pre-print out from our lab!!🚨 "Developmental differences in exploration reveal underlying differences in structure inference" by @noraharhen.bsky.social, Rheza Budiono, @catehartley.bsky.social, and @aaronbornstein.bsky.social. Read here: osf.io/preprints/ps...
osf.io
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Jo Cutler @drjocutler.bsky.social · 25/02/2025
So excited to announce Curiosity, Information Seeking & Exploration conference: 30th Sept-1st Oct @Brown University. Amazing speakers sites.google.com/view/informa... and free! Abstract submissions open until 7th July w/ Romy Frömer, Ohad Dan, @hayleydorfman.bsky.social, Matt Nassar. Please share!
sites.google.com
CISE 2025
30th September - 1st October 2025 Brown University, Rhode Island
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Guy Davidson ✈️ NeurIPS 2025 @guydav.bsky.social · 21/02/2025
Out today in Nature Machine Intelligence! From childhood on, people can create novel, playful, and creative goals. Models have yet to capture this ability. We propose a new way to represent goals and report a model that can generate human-like goals in a playful setting... 1/N
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Steven Elmlinger @elmlingersteven.bsky.social · 06/02/2025
How do languages become learnable for young children? Our new paper in Current Biology shows how “Immature vocalizations elicit simplified adult speech across multiple languages.” 🧵 of our findings below: www.cell.com/current-biol... 1/9
cell.com
Immature vocalizations elicit simplified adult speech across multiple languages
Altriciality, or extended early immaturity, creates opportunities for learning. Across languages, Elmlinger et al. show that parents simplify their speech in response to children’s early vocalizations...
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Nathaniel Daw @nathanieldaw.bsky.social · 05/02/2025
hello world. we have an opening for a strong theory postdoc to work in my lab on a exciting collaboration with Josh Berke and Loren Frank labs modeling and analyzing data on rat hipp-pfc-bg-da involvement in spatial maze foraging, replay, value etc. apply here: www.princeton.edu/acad-positio...
princeton.edu
Application for Postdoctoral Research Associate
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Kate Nussenbaum @katenuss.bsky.social · 20/01/2025
New preprint - "Children leverage predictive representations for flexible, value-guided choice." A fun collaboration with @arikahn.bsky.social @nathanieldaw.bsky.social @catehartley.bsky.social, led by @licezhang.bsky.social 🧠🧒💻
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Communications Psychology @commspsychol.nature.com · 09/01/2025
In a dynamic reinforcement learning task, human players adaptively employ a mix of decision strategies, including model-based learning but also the successor representation. www.nature.com/articles/s44...
nature.com
Humans rationally balance detailed and temporally abstract world models - Communications Psychology
In a dynamic reinforcement learning task, human players adaptively employ a mix of decision strategies, including model-based learning but also the successor representation.
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Oded Bein @odedbein.bsky.social · 07/01/2025
Excited to share this perspective with @yaelniv.bsky.social about how schemas might be learned and instantiated via reinforcement learning, latent cause inference, and dimensionality reduction, and what's the medial prefrontal cortex might be doing for all of these www.nature.com/articles/s41...
nature.com
Schemas, reinforcement learning and the medial prefrontal cortex - Nature Reviews Neuroscience
A computational account of how schemas are learned through experience is lacking. In this Perspective, Bein and Niv synthesize schema theory and reinforcement learning research to derive computational...
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Carlos G. Correa @cgcorrea.bsky.social · 03/12/2024
My paper on hierarchical plans is out in Cognition!🎉 tldr: We ask participants to generate hierarchical plans in a programming game. People prefer to reuse beyond what standard accounts predict, which we formalize as induction of a grammar over actions. authors.elsevier.com/a/1kBQr2Hx2x...
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