Jefferson Ortega
@jortegaNYCognitive Neuroscience PhD Candidate | Whitney Lab @UCBerkeley, researching perception & social cognition👁️🎭 | #DSPAN F99/K00 Fellow | 🇩🇴
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So excited to share that I've received my first NoA for the #DSPAN F99/K00 award from @NIH! This grant will fund the rest of my PhD and 4 years of my post-doctoral training where I'll investigate the behavioral and neural mechanisms of social visual attention. (1/n)
I'm recruiting a PhD student to join the Human AI Collaboration lab at @KelloggSchool @northwesterncs @NICOatNU If you're excited about computational social science, LLMs, digital experiments, real-world problem solving, this could be a great fit Please reshare! Deets 👇
I'm excited to announce that this work has been accepted at @NeurIPSConf 🥳 We hope to spark cross-disciplinary conversations on goal selection in biological and artificial agents. Check it out at openreview.net/forum?id=GbqzN… @cedcolas @pyoudeyer @Anne_On_Tw @FlowersINRIA @ccnlab
How do we decide which goals to pursue? Here, we introduce the notion of *latent learning progress* to explain human goal selection and inspire advances in the development of autotelic machines. osf.io/preprints/psya… @Anne_On_Tw @pyoudeyer @cedcolas @ccnlab @FlowersINRIA 🧵
🚨 New preprint from my internship @allen_ai! Introducing SafetyAnalyst, an LLM content moderation framework that 📌 builds structured “harm-benefit trees” given a prompt 📌 weights harms against benefits 📌 delivers interpretable, transparent, and steerable safety decisions
Still two weeks left to apply to the graduate program here @BerkeleyPsych My lab (ccs-ucb.github.io) is recruiting through the Cognition area this cycle. More information here: psychology.berkeley.edu/students/gradu…
Our commentary on lessons learned from running the Colors of the Brain - Kavli Institute for Brain and Mind (CoB-KIBM) scholars program is out! nature.com/articles/s4159… Our team aimed to remove common barriers and reimagined summer research program design - here's how:
I am happy to share my new preprint with David Whitney and Yifan Fang. We reveal two novel sequential effects in reaching movements and show that motor planning adheres to the principles of efficient coding. biorxiv.org/content/10.110…
Does encoding the present compete with predicting the future? In 3 behavioral studies, we find that encoding and prediction are coupled, not competitive! Proud of @CraigPoskanzer & @hannahtstoll for leading this work w/ Raheema Javid & Edoardo Spolaore! osf.io/preprints/psya…
Haley Frey et al. @MsuPsychology @nyugrossman investigate memory representations during slow change blindness: jov.arvojournals.org/article.aspx?a….
🚨 New Preprint Alert! 🚨Here we've revealed a novel mechanism of how attention shapes sensorimotor learning across 8 experiments. Key findings: biorxiv.org/content/10.110….
📢 I am reviewing apps for the PhD program @UCLA psychology (Social and Affective Neuroscience & Behavioral Neuroscience areas). You can learn more about my lab (@CastrellonLab) here: castrellonlab.psych.ucla.edu - come study decision making in the brain with us!
I will soon open a call for a 1.5-year postdoc position at the University of Aberdeen @abdnpsych I will be co-chairing #ECVP2024 in Aberdeen next week (August 25-29th) with Prof. Constanze Hesse, so feel free to get in touch for an informal chat if you are interested! 😉
We’re excited to share our latest work on dynamic predictive templates and hallucinations, published today in Current Biology! (cell.com/current-biolog…)
My lab and collaborators are hiring for several positions, postdocs through lab staff (typically people between undergrad and maybe grad school). If you are interested in any of: fieldwork, probability, number learning, algorithms, cognitive modeling -- please get in touch!
If you’re applying for PhD programs this cycle, consider applying to work with Stephen— he is awesome!
How do we decide which goals to pursue? Here, we introduce the notion of *latent learning progress* to explain human goal selection and inspire advances in the development of autotelic machines. osf.io/preprints/psya… @Anne_On_Tw @pyoudeyer @cedcolas @ccnlab @FlowersINRIA 🧵
Our attention waxes and wanes over time. How does this influence the way our memories are organized? Pupil size at encoding, an index of attention, predicts the temporal structure of subsequent memory Super proud of @manasijkumar for this work! 👀 osf.io/preprints/psya…
I’m presenting at Synchrony 2024! I’ll be talking about my research which aims to train individuals with Autism to use context cues when inferring emotion. Stop by my talk if you’re attending! #Synchrony2024 #BRAINfoundation #autism
Question: How does #aging impact #motor #learning? Answer: Aging enhances implicit learning, but reduces explicit motor learning. New @biorxivpreprint: tinyurl.com/4nw3snwb Amazing work led by Elizabeth Cisneros! S. Karny, @ivrylab @BerkeleyPsych @cmupsych @cmuneurosci
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