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Francisco Garre-Frutos

@frangfr.bsky.social
302 followers 281 following 210 posts

Postdoctoral fellow at @uam.es and @call-uam.bsky.social. Experimental psychology, #rstats, and Bayesian statistics, but not too much. fgarrefrutos.com

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Reposted by Francisco Garre-Frutos
Megha Joshi @meghapsimatrix.bsky.social · 01/09/2026
Our #rstats package, metaselection, is out on CRAN! jepusto.github.io/metaselectio...
jepusto.github.io
Meta-Analytic Selection Models for Dependent Effect Sizes
Fits a flexible class of p-value selection models for meta-analysis and meta-regression models, providing standard errors and confidence intervals based on either cluster-robust variance estimators (i...
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Reposted by Francisco Garre-Frutos
Joe Barnby @joebarnby.com · 11h
Happy to say this is now published @natcomms.nature.com 🎉 Across 2 task types, 2 countries, and 3 samples we find the corpus callosum is important for metacognitive efficiency. We also show this effect is unlikely to be explained by perceptual or IQ difficulties. www.nature.com/articles/s41...
nature.com
Corpus Callosum Dysgenesis is concomitant with reduced metacognitive efficiency and sensitivity across multiple cohorts and modalities - Nature Communications
Corpus collosum dysgenesis is an umbrella term for all congenital malformations of the corpus callosum. Here, the authors show that corpus callosum dysgenesis is associated with intact visual percepti...
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Reposted by Francisco Garre-Frutos
Miguel Vadillo @mavadillo.bsky.social · 11/10/2026
Phones impede learning: Evidence from a massive phone-free classroom experiment | Lower-performing students benefited the most, but even higher-performing students expressed support for the policy www.science.org/doi/10.1126/...
science.org
Phones impede learning: Evidence from a massive phone-free classroom experiment
Lower-performing students benefited the most, but even higher-performing students expressed support for the policy
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Reposted by Francisco Garre-Frutos
Juan Linde-Domingo @lindedomingo.bsky.social · 10/10/2026
I've always felt that I learn best by playing around with things (and breaking them 😅). So I’ve put together a few interactive tools to help NeuroCog bachelor/master students grasp some basic neuroscience concepts. 🔗 www.lindedomingo.com/teaching Thanks @ortiztudela.bsky.social for the idea!
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Peer Community In @peercommunityin.bsky.social · 08/10/2026
1247 preprints have now received a recommendation from one of the 21 thematic PCI! Behind every recommendation is a community of researchers contributing their expertise. Could your preprint be next? 👉 Submit your research to PCI: peercommunityin.org/submit-a-pre...
peercommunityin.org
Submit a preprint to PCI - Peer Community In
Once an article has been recommended by a PCI, the authors can opt to leave it on a preprint server, to publish it in PCI Journal, to submit it to a PCI-friendly journal or to any other journal
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Reposted by Francisco Garre-Frutos
Carlos Scheidegger @cscheid.net · 07/10/2026
quick screencap of qmd->docx->qmd comment flow in quarto 2/quarto-hub
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Reposted by Francisco Garre-Frutos
Nadia Hosseinizaveh @nadiahosseinizaveh.bsky.social · 07/07/2026
(1/6) My first first-author paper is now out in @nconsc.bsky.social! Part of my PhD work with @mamassian.bsky.social at @lsp-ens.bsky.social. We looked at how confidence behaves during a perceptual learning task with no feedback. academic.oup.com/nc/article/2...
academic.oup.com
Perceptual learning without feedback is accompanied with systematic changes in confidence processing
Abstract. Perceptual learning can occur without external feedback, raising questions about what internal signals might guide this learning. Here, we test t
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Reposted by Francisco Garre-Frutos
Dirk Wulff @dirkwulff.bsky.social · 10/06/2026
📣 Reporting checklist for LLMs in behavioral and social science New article presenting a consensus-based reporting checklist (GUIDE-LLM) for the use of LLMs in the behavioral and social sciences to foster transparency, reproducibility, and ethical use. 🔗 www.nature.com/articles/s41...
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Reposted by Francisco Garre-Frutos
Stefano Palminteri @stepalminteri.bsky.social · 05/10/2026
New preprint! Can LLMs really know when they know? We trained 10 open models to predict their own accuracy and found a striking limit: out of distribution, confidence tracks consistency more than correctness. Led by @nicolasyax.bsky.social with @pyoudeyer.bsky.social arxiv.org/pdf/2609.33886
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Reposted by Francisco Garre-Frutos
Brian Nosek @briannosek.bsky.social · 04/10/2026
"Estimators based on meta-analysis methods that correct for potential bias in the original study were close to unbiased when synthesizing the original study and replication...meta-analytic estimates were substantially closer to the effect size of the replication compared to the original study."
journals.plos.org
Evaluation of replication success: A statistical perspective and extended analysis of the SCORE data
Replications are more and more conducted in multiple research fields. A recent large-scale replication project, Systematizing Confidence in Open Research and Evidence (SCORE) project, replicated 274 e...
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Reposted by Francisco Garre-Frutos
moin syed @syeducation.bsky.social · 01/10/2026
Gave a talk in my dept. on the OSF transition. I wrote up a rough script of the session, which could be of interest to others. I synthesize existing resources and provide my own perspectives. Comments and corrections welcome! zenodo.org/records/2306...
the header for a paper describing "Life after OSF" #metascience
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Earl K. Miller @earlkmiller.bsky.social · 03/10/2026
Prefrontal beta strengthened with learning and tracked reward expectations, making it a potential marker that the cortex has learned the task, mirroring the decline in hippocampal activity. doi.org/10.1523/ENEU... #neuroscience
doi.org
Goal Location Beta Oscillations and Sharp Wave–Ripples Are Complementary Markers of Learning-Related Changes in Hippocampal–Neocortical Networks
The hippocampus and neocortex are thought to undergo reorganization to incorporate new information during learning. How can we identify network states that indicate learning is occurring? In the hippo...
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Reposted by Francisco Garre-Frutos
JsonGeller @jgeller1phd.bsky.social · 02/10/2026
New tutorial finally in press with @rmkubinec.bsky.social @chelseaparlett.bsky.social and @matti.vuorre.com. It has everything you could possible want: Quippy headings, a whole lot of beta, bayesian analyses and frequentist analyses side by side in harmony. link.springer.com/article/10.3...
rdcu.be
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Open Encyclopedia of Cognitive Science bot @oecs-bot.bsky.social · 02/10/2026
The human mind instinctively extracts order from chaos, tracking probabilities across sounds and scenes to build complex knowledge from raw input. Statistical Learning by Jenny Saffran doi.org/10.21428/e2759450.7a74eed8 #CognitiveScience
Open Encyclopedia of Cognitive Science: "Statistical Learning" by Jenny Saffran. Statistical learning refers to the ability to track patterns in the environment. These patterns occur in a wide array of domains (e.g., speech, scenes, melodies). Humans track statistics over stimuli
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Ciencia Cognitiva @cienciacog.bsky.social · 30/09/2026
Understanding cognitive control: How does the brain prepare and act? www.cienciacognitiva.org?p=2705
cienciacognitiva.org
Understanding cognitive control: How does the brain prepare and act? | Ciencia Cognitiva
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Reposted by Francisco Garre-Frutos
Henrik Singmann @singmann.bsky.social · 02/10/2026
New preprint: When should you use linear mixed models (LMMs), and when is repeated-measures (RM) ANOVA enough? LMMs offer greater flexibility. But does that make them a better default? My paper argues for statistical parsimony: use RM-ANOVA when both methods are appropriate. osf.io/preprints/ps...
osf.io
When to Use Mixed Models and When RM-ANOVA - An Argument for Statistical Parsimony
When should researchers use linear mixed-effects models (LMMs) versus repeated-measures analysis of variance (RM-ANOVA) for analysing repeated-measures data? I first outline the conceptual and statist...
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Reposted by Francisco Garre-Frutos
Josh de Leeuw @joshdeleeuw.bsky.social · 01/10/2026
I've been working on improving webcam eye tracking for 3+ years and it's nearly ready to go. After a lot of ups and downs I'm in the excited phase again after the latest validation study!
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Reposted by Francisco Garre-Frutos
Alicia Franco-Martínez (λ) @aliciafrancomnez.bsky.social · 30/09/2026
Somehow relieved and inspired by the fact that the OSF project was initially rejected in 2007. I guess some ideas are ahead of their time and shouldn’t need permission to start existing… www.cos.io/blog/osf-cha...
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Jordan Lei @jordanlei.bsky.social · 28/09/2026
Our paper is out in Nature Communications! In our messy, noisy world, do you find planning difficult/less worthwhile? It's not just you. As we increased the stochasticity in a planning environment, we found that people spent less effort planning: www.nature.com/articles/s41... #cogsci #planning
nature.com
Environmental stochasticity reduces human planning effort - Nature Communications
The real world is stochastic, making it difficult to know when planning is worthwhile. Here the authors show that as stochasticity increases, people spend less effort planning and adopt simpler, less ...
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Reposted by Francisco Garre-Frutos
Nature Human Behaviour @nathumbehav.nature.com · 01/10/2026
Intrinsic rewards guide visual resource allocation via reinforcement learning
dlvr.it
Intrinsic rewards guide visual resource allocation via reinforcement learning
Nature Human Behaviour, Published online: 01 October 2026; doi:10.1038/s41562-026-02573-7Tangible rewards are known to sharpen visual processing of associated objects. Tomić et al. show that an internal sense of confidence—acting as an intrinsic reward—similarly biases attention, revealing how the brain prioritizes limited resources.
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Matti Vuorre @matti.vuorre.com · 01/10/2026
Good talk. There's a lot of (over)thinking of this at the moment. Zenodo just works. (Until it doesn't when we and our bots ruin that as well.) Collaborate on GitHub and refer to zenodo.
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Reposted by Francisco Garre-Frutos
Juan Linde-Domingo @lindedomingo.bsky.social · 30/09/2026
🚨 New preprint! With @mdelmarco.bsky.social and @gonzalezgarcia.bsky.social Can episodic memory become more flexible, expanding retrieval to new cues, without sacrificing concrete details? Our results suggest so, highlighting the adaptive nature of episodic memory www.biorxiv.org/content/10.6...
biorxiv.org
Episodic memory adaptively expands retrieval through typicality-guided transformation while concrete details remain accessible
Memory faces a fundamental challenge. It has to become flexible enough to be accessed by novel cues without losing the specific information that defines each individual episode. Whether memory transfo...
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Reposted by Francisco Garre-Frutos
Kobe Desender @kobedesender.bsky.social · 29/09/2026
"Adaptive Regulation of Confidence Following Metacognitive Conflict: Evidence From Behavior and Computational Modeling"! Now out in #JEPGeneral led by @jintaoxing.bsky.social @stefherregods.bsky.social @lucvermeylen.bsky.social and me. PDF: desenderlab.com/wp-content/u.... "Conflicting" Thread ↓↓↓
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Mark Haselgrove @markhaselgrove.bsky.social · 28/09/2026
New Preprint! "Facilitation and Attenuation of Learning to Novel and Familiar Stimuli Through Contextual Mismatch: Experimental Evidence and a Computational Model" By @jialinshi.bsky.social and me. osf.io/preprints/ps...
osf.io
OSF
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Samuel P León @samuelpleon.bsky.social · 27/09/2026
📢 New paper in Instructional Science! When using rubrics, does timing matter? Should students receive a rubric before writing, to guide their work—or after an initial draft, to support self-feedback and revision?
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Earl K. Miller @earlkmiller.bsky.social · 27/09/2026
Covert-attention studies challenge gaze-based accounts of choice and decision-making. Covert attention dynamically shapes decision making doi.org/10.7554/eLif... #neuroscience
doi.org
Covert attention dynamically shapes decision making
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Igor Grossmann, PhD @igi.bsky.social · 14/09/2026
The @onwisdompodcast special lineup: 01 Legare · McAdams · Paul 02 Pennycook · Costello · Fleming 03 Glück · Ardelt · Jayawickreme 04 Glück · Kross · Kristjánsson 05 Jeste · Schwartz · Brienza Five episodes, built on a new Annual Review of Psychology doi.org/10.1146/annu...
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Reposted by Francisco Garre-Frutos
Institute for Replication @i4replication.bsky.social · 25/09/2026
Over the past two years, I4R partnered with Psychological Science (@psychscience.bsky.social) on a large reproducibility project. 67 independent teams reproduced 64 articles published in 2024–2025, about 44% of eligible papers. Paper: www.econstor.eu/bitstream/10... Here's what we learned 🧵
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
My fourth thesis paper is out in Psychonomic Bulletin & Review! 🎉 #psynomPBR (w/ @mavadillo.bsky.social, @jthee.bsky.social, #DirkVanMoorselar and @jlupiane.bsky.social). Here, we show that learning to prioritize signals of value depends on selective attention 👇🧵 doi.org/10.3758/s134... 1/7
fgarrefrutos.com
The role of selective attention in value-modulated attentional capture
Stimuli that reliably predict reward can increase their capacity to capture attention. This Value-Modulated Attentional Capture (VMAC) is typically viewed…
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Reposted by Francisco Garre-Frutos
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 24/09/2026
Dynamic belief representation and updating through learned attractor-like dynamics in the frontal cortex www.biorxiv.org/content/10.64898/20…
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David Luque @davluque.bsky.social · 24/09/2026
New preprint! We (among others) have shown that the forced-response task is a promising way to study habits in the human lab. But its increasingly popular use is associated by increasing variability in task parameters and data analysis options, creating a potential “garden of forking paths"...
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Nicolás Sánchez-Fuenzalida @n41c0.bsky.social · 31/08/2026
now out at @nconsc.bsky.social 🥳
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Pablo Solana @p-solana.bsky.social · 23/09/2026
Out now in Cortex! 🧠✨️ Grounding meaning in social and emotional experience: Challenges and opportunities authors.elsevier.com/a/1nq5R_FxMe...
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Micah G. Allen @micahgallen.com · 22/09/2026
So… we just found out that GPT sol can complete a complex online behavioral/cognitive study producing nearly indistinguishable behavior and subjective reports… right as we are about to launch. Is this doomsday for online cognitive testing?
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PsyArXivBot @psyarxivbot.bsky.social · 16/09/2026
Human outcome-irrelevant value learning is insensitive to its monetary cost: osf.io/zyc8t
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Josh de Leeuw @joshdeleeuw.bsky.social · 21/09/2026
DataPipe (pipe.jspsych.org) is ready for its post-OSF life. You can use it as before to save data from online experiments, but now the data can be sent to Zenodo, Google Drive, or a Dataverse instance. Existing OSF connections work until 11/16 I took this opportunity to do some major updates...
pipe.jspsych.org
DataPipe
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
It seems I’m not enough of a Bluesky user to know that threads are now automatically numbered… 😅
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
Last but not least, I'd like to thank @jthee.bsky.social for hosting me in his lab for three months, and both Jan and Dirk van Moorselaar for making this such a fun collaboration. 🙌
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
You’ve reached the end of this thread, but worry not! If you want to know more, check out the full paper 👇 doi.org/10.3758/s134...
fgarrefrutos.com
The role of selective attention in value-modulated attentional capture
Stimuli that reliably predict reward can increase their capacity to capture attention. This Value-Modulated Attentional Capture (VMAC) is typically viewed…
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
Overall, our findings suggest that selectively prioritizing reward-predictive features may be necessary to bind them effectively to their outcomes and teach the visual system what to prioritize. This mechanism, however, seems to be partly dissociable from awareness itself. 7/7
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
To put these results in context, we conducted a meta-analysis showing that VMAC emerged reliably only when attention was directed to the reward-predictive feature, whether through instructions or task demands, and its effect size matched that of a previous meta-analysis by Rusz et al. (2020). 6/7
Meta-analysis comparing the present results with prior literature. To illustrate the conceptual similarities between manipulating instructions and selective attention, blue indicates that participants received instructions about the feature-reward contingency or selectively attended to color (in the present study). In contrast, orange indicates that they did not receive instructions or selectively attended to the location (in the present study). The blue dashed line and the shaded segments indicate the meta-analytic estimate (standardized mean difference) and the 95% CI of the effect of reward-driven distraction in the broader literature (0.35; Rusz et al., 2020). Squares indicate standardized effect sizes for individual studies, with their size indicating precision and error bars indicating CI. Results from the meta-analysis showed that the effect size observed in the present study for the color group is perfectly consistent with effect sizes observed in the literature and prior studies.
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
The typical VMAC effect, as measured by slower RTs for the high- compared to the low-value distractor, emerged only in the group attending to color. Critically, both selective attention and contingency awareness (knowing that color predicts reward) contributed independently to this effect. 5/7
Summary of results. A) Mean RTs in the visual search task. Bars and dots show condition means; error bars indicate within-subject 95% CIs (Morey, 2008). B) Beta regression predictions for awareness results. Transparent dots are individual responses; lines and shaded areas show model predictions and 95% CIs, and solid dot points and error bars represent mean predicted responses at the group-level. C) RT analysis with contingency awareness as covariate. Transparent dots show individual VMAC scores; lines and shaded areas depict model predictions by task and awareness level. Solid, large dots and error bars show group means and 95% CIs. Note that both the selective attention manipulation and contingency awareness have independent effects on observed VMAC scores, showing that our results cannot be explained by individual differences in awareness
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
To test this, we used a visual search task in which the color of a singleton distractor signaled one of two reward levels (high or low). Between groups, we manipulated whether participants selectively attended to a reward-predictive feature (color) or a reward-irrelevant feature (location). 4/7
Schematic representation of the task. Example of the sequence of events in the experimental task. Participants could earn points based on performance, and when a high-value singleton appeared in the display, points were multiplied by 10 (a bonus trial). In some trials, participants were presented with the letter ‘R’, which signaled that participants had to report the color or the location (as a function of the assigned group) of the distractor in the preceding trial
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
One possibility is that awareness matters because it directs selective attention toward the reward-predictive feature. If so, prioritizing that feature during learning should be enough to increase its attentional priority, even without explicitly informing people about the reward contingency. 3/7
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
Our visual system prioritizes signals of value, even when they are irrelevant to our goals and not particularly salient. In recent work, we found that this Value-modulated attentional capture (VMAC) emerges mainly when people know a task-irrelevant distractor is associated with reward. But why? 2/7
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Francisco Garre-Frutos @frangfr.bsky.social · 21/09/2026
My fourth thesis paper is out in Psychonomic Bulletin & Review! 🎉 #psynomPBR (w/ @mavadillo.bsky.social, @jthee.bsky.social, #DirkVanMoorselar and @jlupiane.bsky.social). Here, we show that learning to prioritize signals of value depends on selective attention 👇🧵 doi.org/10.3758/s134... 1/7
fgarrefrutos.com
The role of selective attention in value-modulated attentional capture
Stimuli that reliably predict reward can increase their capacity to capture attention. This Value-Modulated Attentional Capture (VMAC) is typically viewed…
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Reposted by Francisco Garre-Frutos
Ciencia Cognitiva @cienciacog.bsky.social · 20/09/2026
¿Cómo percibimos objetos estables en un mundo en constante cambio? El papel de la atención involuntaria en la memoria de trabajo www.cienciacognitiva.org?p=2696
cienciacognitiva.org
¿Cómo percibimos objetos estables en un mundo en constante cambio? El papel de la atención involuntaria en la memoria de trabajo | Ciencia Cognitiva
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Danielle Navarro @djnavarro.net · 20/09/2026
Please, I am begging you. Do not use dplyr::ntile() in any serious statistical analysis in which you want to group continuous observation into quantile-based bins. Despite the name it doesn't actually do that, and the thing it actually does is very dangerous when accuracy matter. #rstats
blog.djnavarro.net
The trouble with ‘ntile()’ – Notes from a data witch
Please, please, please do not use ‘dplyr::ntile()’ in an analysis that will be submitted to a regulatory agency. It’s secretly an ill-conceived SQL tool that doesn’t do what you probably want it to, a...
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maria ruz @mruz.bsky.social · 18/09/2026
We are hiring a postdoc and a predoc to do research (EEG, fMRI, MVPA, RSA) on expectation and attention at the wpd.ugr.es/~humneuro/ in beautiful Granada @cimcyc.bsky.social ! People with interest + relevant experience please reach us at mruz@ugr.es #NeuroJobs #AcademicJobs #CogNeuro #GranadaSpain
wpd.ugr.es
Human Neuroscience Lab – University of Granada
Our lab is located at the Mind, Brain and Behavior Research Center. Here we have access to several behavioral testing rooms, a 3T Siemens Magnetic Resonance Imaging facility with compatible EEG and EyeLink Eyetracker, high-density EEG recording devices, and a Transcranial Magnetic Stimulation device with a robotic assistant and neuronavigator.​
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MORPHSS @morphss.bsky.social · 16/09/2026
'The word traceability, in place of reproducibility, [...] refers to the extent to which the decisions made by the researcher are transparently documented, allowing readers to see how conclusions were reached' @maddipow.bsky.social in new paper 'Can open science speak qualitative?' ⬇️
doi.org
Can open science speak qualitative? Rearticulating open science vocabulary for qualitative research
‘Open research’ (or ‘open science’) has substantially reshaped conversations surrounding rigor, transparency, and accountability, yet its vocabulary remains largely rooted in quantitative, positivi...
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