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Lexi Decker

@lexidecker.bsky.social
316 followers 312 following 37 posts

Asst. Prof of Psych & Brain @ WashU| former postdoc @ MIT BCS & PhD @ UofToronto | Sustained & Selective Attention, Learning, Episodic Memory, Development, Socioeconomic Status | Environment

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Reposted by Lexi Decker
Anna Corriveau @annacorriveau.bsky.social · 28/09/2026
New preprint! Are attentional lapses the result of disengagement or simply response failure? Using EEG, we tested how attention fluctuations impact visual representations in the brain. (1/5) www.biorxiv.org/content/10.6...
biorxiv.org
Degraded neural representations foreshadow failures of sustained attention
Attention prioritizes relevant information from the environment, but does not do so consistently over time. Instead, we sometimes experience poor attentional states which are characterized by a higher...
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
New paper 🍼📄 ManyBabies 3 is out (open access, registered report in Developmental Science). 30 labs, 33 languages, 839 infants set out to replicate a textbook finding: 7-month-olds learn abstract rules from speech (@garymarcus.bsky.social et al., 1999). We didn’t find it. 🧵
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Hayoung Song @hayoungsong.bsky.social · 25/09/2026
There are 2 tenure-track searches happening at UT Austin Psychology @utaustin.bsky.social! Dev/Social: apply.interfolio.com/194041 Clinical: apply.interfolio.com/194045 Please apply and be my colleague! Austin is awesome, UT is awesome, and the department is awesome⭐
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Blake Richards @tyrellturing.bsky.social · 22/09/2026
Two tenure track positions are open in Computer Science @mcgill.ca ! Secure Software mcgill.wd3.myworkdayjobs.com/en-US/McGill... Quantum Computing mcgill.wd3.myworkdayjobs.com/en-US/McGill... Come join our department, and live in the coolest city in North America! (Yeah, I stand by that.)
mcgill.wd3.myworkdayjobs.com
Tenure-Track Faculty Position in Computer Science: Secure Software and Computer Systems
Please refer to the How to Apply for a Job (for External Candidates) job aid for instructions on how to apply. If you are an active McGill employee (ie: currently in an active contract or position at ...
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Bodo Winter @bodowinter.bsky.social · 21/09/2026
New tenure track position call for cognitive science at UCSD: apol-recruit.ucsd.edu/JPF04633
apol-recruit.ucsd.edu
Assistant Professor in Cognitive Science
University of California, San Diego is hiring. Apply now!
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Ken Paller @paller.bsky.social · 20/09/2026
Announcing two tenure-track faculty openings in the Psych Dept at Northwestern University: Cognitive/Affective Neuroscience and Clinical Psychology psychology.northwestern.edu/people/facul...
psychology.northwestern.edu
Job Opportunities: Department of Psychology - Northwestern University
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Debra Titone @dtitone.bsky.social · 20/09/2026
Two #Developmental TT positions at McGill.. Could include people who study #language and #multilingualism. Please forward to colleagues/advanced trainees who might wish to join us in Montreal, Canada! mcgill.wd3.myworkdayjobs.com/McGill_Caree...
mcgill.wd3.myworkdayjobs.com
Tenure-Track Position (Assistant Professor), Developmental Psychology, Department of Psychology
Please refer to the How to Apply for a Job (for External Candidates) job aid for instructions on how to apply. If you are an active McGill employee (ie: currently in an active contract or position at ...
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Matthew Bunn @matthew-bunn.bsky.social · 19/09/2026
This is fantastic reporting. Study was about to provide data that could have contributed to understanding why Black Americans face twice the risk of Alzheimer’s dementia as white Americans. So, of course, the Trump team terminated it.
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Jeff Zacks @jzacks.bsky.social · 18/09/2026
The call for participation for the first inaugural Event Cognition Conference is live! franco.nd.edu/events/confe... franco.nd.edu/assets/67910...
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Nature Portfolio @natureportfolio.nature.com · 16/09/2026
Executive function develops across childhood. A Review in Nature Reviews Psychology critically examines how executive function is measured and synthesizes evidence on how experience fosters the development of executive function skills. 🔒
go.nature.com
Understanding how experience supports the development of executive function skills - Nature Reviews Psychology
Executive function (the ability to regulate thoughts and actions in the service of goals) develops across childhood. In this Review, Doebel and colleagues critically examine how executive function is measured and synthesize evidence on how experience fosters the development of executive function skills.
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Hayoung Song @hayoungsong.bsky.social · 16/09/2026
Honored to be featured, thanks @franciscorr25.bsky.social and @thetransmitter.bsky.social! It was exciting to share my vision for the lab (thesonglab.github.io) and reflect on the wisdom my mentors have passed on⭐️
thesonglab.github.io
Song Lab
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Katie Insel @katieinsel.bsky.social · 14/09/2026
The CATS Lab is moving to Columbia next year, and I am recruiting a PhD student this cycle to start Fall 2027 in the Department of Psychology. Learn more about how to apply here: psychology.columbia.edu/content/prep... I am also recruiting a postdoc and staff for 2027. More info coming soon!
psychology.columbia.edu
Preparing to Apply | Department of Psychology
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Jamie Hanson @jamielarsh.bsky.social · 10/09/2026
More U.S. kids live in net worth poverty than income poverty, and almost no one studies it. Our new paper argues wealth deprivation shapes children's development in its own right, and that standard wealth measures miss the debts poorer families carry. academic.oup.com/cdpers/advan...
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Lexi Decker @lexidecker.bsky.social · 10/06/2026
So excited to have you here @rbanda.bsky.social and for all the cool work we're going to do together!
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Ridhi Bandaru @rbanda.bsky.social · 09/06/2026
Btw late news but I’m now a predoc with @lexidecker.bsky.social @ the How We Learn Lab!!! 📊📑🎊🧠
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Jeff Zacks @jzacks.bsky.social · 31/03/2026
The Center for Theoretical and Computational Neuroscience at WashU has an opening for a postdoctoral scholar! Deadline is May 1. ctcn.wustl.edu/postdoc-fell...
ctcn.wustl.edu
Postdoc Fellows
The CTCN funds a cohort of outstanding Postdoctoral Fellows to work at the interface between theoretical and experimental labs and help forge new collaborations. CTCN Fellows have strong training i…
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Robert Zaichkowski @rzaichkowski.bsky.social · 16/03/2026
A cyclist was seriously injured at Eglinton & Oakwood last night. Now that the Eglinton Crosstown LRT is open, the #BikeTO community deserves to know WHEN will the long promised bike lanes on that street be installed? #shame #TOpoli #VisionZero CC www.cp24.com/local/toront...
cp24.com
Male cyclist rushed to hospital after being struck by vehicle in Little Jamaica
A male cyclist has been struck by a vehicle in Little Jamaica, Toronto police say.
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Yining Ding @liliand.bsky.social · 03/03/2026
Excited to share our paper (with @jzacks.bsky.social), now out in JEP:LMC! Event boundaries sometimes disrupt temporal order memory in list-based paradigms—but what happens in narratives with more complex structures that better resemble real life? ✨ Link: psycnet.apa.org/record/2027-...
psycnet.apa.org
APA PsycNet
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Lexi Decker @lexidecker.bsky.social · 03/03/2026
Super cool paper led by the amazing @tbiba.bsky.social suggesting that we form memories at the theta rhythm! And even cooler that these rhythms can actually be detected with careful behavioral manipulations!
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Lexi Decker @lexidecker.bsky.social · 03/03/2026
Super cool paper led by the amazing Thomas Biba showing that episodic memory is theta rhythmic! And even cooler that these rhythms can actually be detected with behavioral memory data (my favorite type of data!).
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tbiba.bsky.social @tbiba.bsky.social · 02/03/2026
I am excited to share my first paper, showing that episodic memory formation is theta rhythmic, is now published in Nature Human Behavior! Check it out here: rdcu.be/e6pzS. Thanks to my PI, Katherine Duncan, and to my collaborators for their support on this journey! Stay tuned for iEEG follow up 🧠
rdcu.be
Episodic memory encoding fluctuates at a theta rhythm of 3–10 Hz
Nature Human Behaviour - Biba et al. show that episodic memory encoding fluctuates at a theta rhythm of 3–10 Hz.
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Hugo Spiers @hugospiers.bsky.social · 09/02/2026
"..hippocampal-prefrontal systems represent emotion concepts in a map-like way at multiple levels of abstraction.." Map-like representations of emotion knowledge in hippocampal-prefrontal systems by @yumengma.bsky.social and @pkragel.bsky.social www.nature.com/articles/s41...
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Melissa Kibbe @levelsof.bsky.social · 06/11/2025
Now out in an issue! ~~ www.cell.com/trends/cogni...
cell.com
The ubiquity of episodic-like memory during infancy
Considerable progress has been made in understanding early memory development. However, much of this research pre-dates contemporary theories of memory systems in the mature brain. This review provide...
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Lillian Behm @lillianbehm.bsky.social · 31/01/2026
Awake infant fMRI offers a rare window into early brain and cognitive development. In a new paper out now in Infancy, we leverage data from hundreds of infant scans from the Saxe and Turk-Browne Labs to reveal what factors drive scanning success — and how future studies can maximize data retention!
onlinelibrary.wiley.com
Functional Magnetic Resonance Imaging in Awake Infants: Insights From More Than 750 Scanning Sessions
Functional magnetic resonance imaging (fMRI) in awake infants has the potential to reveal how the early developing brain gives rise to cognition and behavior. However, awake infant fMRI poses signifi....
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Lexi Decker @lexidecker.bsky.social · 23/01/2026
❗New Paper❗Is children's attention more like a spotlight that darts across time, or one that diffuses across many things at once? How might children's immature attention help their learning? Our Dev Sci Paper has answers! 🧵🎯 pubmed.ncbi.nlm.nih.gov/41549519/
media.tenor.com
a woman stands in front of a crowd on a stage with a lot of lights
ALT: a woman stands in front of a crowd on a stage with a lot of lights
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duncanlabuoft.bsky.social @duncanlabuoft.bsky.social · 16/01/2026
Our stellar graduate alum Dr. Alexandra Decker is looking for a Lab Manager for her lab, the Learning and Development lab@WashU! 🧠 If you are interested in attention, learning and memory in children and adults, this is the place to be. See her posts for more details! #Research #Psychology
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Lexi Decker @lexidecker.bsky.social · 16/01/2026
Apply here! wustl.wd1.myworkdayjobs.com/en-US/Extern...
wustl.wd1.myworkdayjobs.com
Research Technician I - Social Science
Scheduled Hours 37.5 Position Summary Applications are invited for a full-time research assistant position at WashU in St. Louis to work with Dr. Alexandra Decker in the Learning and Development lab. ...
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Zach Reagh @zreagh.bsky.social · 15/01/2026
My lab is recruiting a postdoc and a full-time research technician to work on an NIH-funded project studying age-related changes in memory for naturalistic events. Behavior, fMRI, and blood-based biomarkers. 3+ years funding guaranteed. Postdoc: tinyurl.com/ykjfbnj8 Tech: tinyurl.com/2f2hw3f5
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Lexi Decker @lexidecker.bsky.social · 12/01/2026
🧠 Hiring a Research Assistant/Lab Manager! Share widely! 📍 St. Louis | ⏰ Full-time We're launching the How We Learn Lab @WashU, studying attention, learning & memory interactions. Perfect for anyone interested in dev cog neuro who wants hands-on experience before grad school. deckerlab.com
deckerlab.com
How We Learn Lab
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Cycle Toronto @cycletoronto.bsky.social · 05/01/2026
"The decision in Cycle Toronto v Ontario was a strong rebuke to government overreach when those actions put people’s lives at risk and are unsupported by facts and data. We look forward to defending that victory in court on Jan. 28.”
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Benjamin Kay @benjaminkay.bsky.social · 24/12/2025
Thanks to @shawnballard.bsky.social for this terrific synopsis of our latest work in @cellpress.bsky.social. The details of how stimulant medications like Ritalin work inside the brain will surprise you! doi.org/10.1016/j.ce...
doi.org
Redirecting
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Benjamin Kay @benjaminkay.bsky.social · 24/12/2025
This is your brain on Ritalin. Got your attention? Stimulant medications like Ritalin (methylphenidate) do, but not in the way you might think. They don't act directly on the brain’s attention systems! Find out what's really happening in @cellpress.bsky.social. doi.org/10.1016/j.ce...
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Arielle Keller @ariellekeller.bsky.social · 16/12/2025
Our paper on the ☀️ "summer slide" 🛝 is out now @pnas.org! www.pnas.org/doi/10.1073/... Summer slide is a replicable phenomenon across diverse datasets that's more than "forgetting" school material in vacation months, but effects of socioeconomic inequality are ➡️ 7x bigger! ⬅️ #PsychSciSky #DevPsy 🧵👇
pnas.org
Cognition varies across the calendar year in multiple large-scale datasets | PNAS
Children’s cognitive abilities vary across short and long timescales, from circadian fluctuations to year-by-year developmental changes. “Summer sl...
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Bart Larsen @bart-larsen.bsky.social · 18/12/2025
Very happy to share our paper on the "summer slide" in kid's cognitive test scores is out now in @pnas.org! We find a replicable dip in performance across multiple domains of cognition in >23,000 kids across 4 datasets! Check out the 🧵 from @ariellekeller.bsky.social below! 👇
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Lexi Decker @lexidecker.bsky.social · 16/12/2025
Honored that our soon-to-launch lab is included in this Liftoff piece! Grateful to everyone who has helped me get here and excited to keep learning with trainees and collaborators. Thanks to @thetransmitter.bsky.social @franciscorr25.bsky.social for highlighting this early stage of building a lab!
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The Viking (Gunnar Blohm) @gunnarblohm.bsky.social · 09/12/2025
📣We have 2 open faculty positions for senior researchers in Neuroscience at Queen's University! healthsci.queensu.ca/administrati... 1. a new Director for our Centre for Neuroscience Studies 2. a non-human primate NeuroAI researcher Please share widely and reach out for questions!
healthsci.queensu.ca
Administrative Opportunities
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Jamie Reilly 🦜 @reilly-coglab.com · 13/03/2025
It’s out! Our article in Nature Human Behavior led by Yin Wang on the conceptual structure of human relationships across cultures and time. This work is breathtaking nam10.safelinks.protection.outlook.com?url=https%3A...
nam10.safelinks.protection.outlook.com
The conceptual structure of human relationships across modern and historical cultures - Nature Human Behaviour
Cheng et al. explore the universality and cultural variability in how people understand human relationships, revealing a five-dimensional framework for relationship concepts across both modern and anc...
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Mary Elizabeth Sutherland @meharpist.bsky.social · 10/12/2025
A recent meta-analysis published in @nature.com finds that there is no general effect of economic inequality on well-being or mental health (though there are some effects for specific groups, e.g. low-income samples). Read more details in the full paper here: 🧪 www.nature.com/articles/s41...
nature.com
No meta-analytical effect of economic inequality on well-being or mental health - Nature
A meta-analysis of 168 studies reveals that economic inequality is not significantly associated with subjective well-being or mental health.
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Mary Elizabeth Sutherland @meharpist.bsky.social · 12/12/2025
Did you know that chatting with LLMs can shift people's attitudes towards political candidates & policy issues? A recent @nature.com paper show that AI chatbots can persuade voters to change their minds; a related paper in @science.org describes when they work best www.nature.com/articles/s41...
nature.com
Persuading voters using human–artificial intelligence dialogues - Nature
Human–artificial intelligence (AI) dialogues can meaningfully impact voters’ attitudes towards presidential candidates and policy, demonstrating the potential of conversational AI to influence politic...
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Arne Ekstrom @adekstreme.bsky.social · 04/12/2025
We are hiring an assistant professor in cognitive neural systems in the department of psychology at the university of arizona. please use this link to check out the requirements and apply! arizona.csod.com/ux/ats/caree...
arizona.csod.com
Assistant Professor, Psychology (T/TE)
Duties & Responsibilities:Publishing peer-reviewed scholarly works.Maintaining an active research program.Obtaining extramural funding.Teaching un...
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John Holbein @johnholbein1.bsky.social · 04/12/2025
We should probably be placing incarcerated people in prisons closest to their homes. Why? Assigning individuals to prisons closer to their home reduces recidivism. Really? Yep. Being placed close to one's home increases social contacts that appear to reduce reoffending.
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duncanlabuoft.bsky.social @duncanlabuoft.bsky.social · 19/11/2025
Our graduate student @catalinayang.bsky.social shows that prediction errors only destabilize weakly reactivated memories. Strong memories? They are more impervious to surprise. Check out our #preprint with @barense.bsky.social to learn more osf.io/preprints/ps... #UofT #Psychology
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duncanlabuoft.bsky.social @duncanlabuoft.bsky.social · 25/11/2025
We're thrilled to announce the publication of our newest paper in @plosone.org 🎉 "Aging and episodic memory specificity: Evidence challenging a domain-general pattern separation decline" Read Dr. Youm's full paper here: doi.org/10.1371/jour... @melaniecohn.bsky.social #Memory #Psychology #Aging
dx.plos.org
Aging and episodic memory specificity: Evidence challenging a domain-general pattern separation decline
Aging is associated with a decline in episodic memory specificity. This phenomenon has been observed across various memory tasks, such as the Mnemonic Similarity Task (MST), where older adults show a ...
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Mark Chadbourn @chadbourn.bsky.social · 28/11/2025
Australia just recorded zero cervical cancer cases in women under 25 for the first time since records began in 1982. The amazing result of HPV vaccination.
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Shoshana 🏳️‍⚧️ @shoshana.bsky.social · 23/11/2025
Boston's Mayor Wu playing with Yo-Yo Ma at Symphony Hall
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Carl T. Bergstrom @carlbergstrom.com · 20/11/2025
We need a total and complete shutdown of WSJ data graphics until our country's representatives can figure out what is going on. h/t @merz.bsky.social @drmikewiser.bsky.social
Multiple Meds: Share of children on two or more psychiatric medications in 2023, based on wether or not they were prescribed ADHD drugs in 2019.
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isaactreves.bsky.social @isaactreves.bsky.social · 07/11/2025
How does mindfulness change body awareness? Excited to share our meta-analysis on mindfulness training and #interoception. www.nature.com/articles/s41...
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Harrison Ritz @hritz.bsky.social · 27/07/2025
We put out this preprint a couple months ago, but I really wanted to replicate our findings before we went to publication. At first, what we found was very confusing! But when we dug in, it revealed a fascinating neural strategy for how we switch between tasks doi.org/10.1101/2024.09.29.615736 🧵
doi.org
Convergent neural dynamical systems for task control in artificial networks and human brains
The ability to switch between tasks is a core component of human intelligence, yet a mechanistic understanding of this capacity has remained elusive. Long-standing debates over how task switching is i...
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Martin Hebart @martinhebart.bsky.social · 04/11/2025
Please repost! I am looking for a PhD candidate in the area of Computational Cognitive Neuroscience to start in early 2026. The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social. Please apply here until Nov 25: www.uni-giessen.de/de/ueber-uns...
View from your office onto Giessen and surrounding villages.
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