Nicolás Sánchez-Fuenzalida
@n41c0.bsky.social
Postdoc at the Conscious Brain Lab
Vrije Universiteit Amsterdam
Vrije Universiteit Amsterdam
it is time to make my biyearly post because I put a preprint out🎉🍾😀. we (w/ @svangaal.bsky.social, Z. van den Hurk, @timostein.bsky.social & @fahrenfort.bsky.social) attempted to replicate a classic unconscious priming study by Vorberg et al. (2003) using a single-subject Bayesian approach.
OSF
osf.io
November 7, 2025 at 12:34 PM
it is time to make my biyearly post because I put a preprint out🎉🍾😀. we (w/ @svangaal.bsky.social, Z. van den Hurk, @timostein.bsky.social & @fahrenfort.bsky.social) attempted to replicate a classic unconscious priming study by Vorberg et al. (2003) using a single-subject Bayesian approach.
Reposted by Nicolás Sánchez-Fuenzalida
Pre-print 🎉 "Subjective and objective approaches in the study of conscious perception" will be a chapter in www.horizon-minds.com. We explain that subjective and objective are poorly defined constructs and provide a taxonomy.
doi.org/10.31234/osf...
with @svangaal.bsky.social @timostein.bsky.social
doi.org/10.31234/osf...
with @svangaal.bsky.social @timostein.bsky.social
OSF
doi.org
October 17, 2025 at 8:34 AM
Pre-print 🎉 "Subjective and objective approaches in the study of conscious perception" will be a chapter in www.horizon-minds.com. We explain that subjective and objective are poorly defined constructs and provide a taxonomy.
doi.org/10.31234/osf...
with @svangaal.bsky.social @timostein.bsky.social
doi.org/10.31234/osf...
with @svangaal.bsky.social @timostein.bsky.social
this is happening later today, drop by the unconscious processing session at 3.50 🌡️
I will be presenting some of my postdoc work during the very last session of the conference. would love to hear your feedback 📊📢 @assc28.bsky.social #ASSC28
July 9, 2025 at 8:44 AM
this is happening later today, drop by the unconscious processing session at 3.50 🌡️
Reposted by Nicolás Sánchez-Fuenzalida
Are you at @assc28.bsky.social #ASSC28? On Wednesday I will present a poster on the causal relationship between choice history biases and catecholamines (noradrenaline / dopamine). With @donnerlab.bsky.social et al.
July 7, 2025 at 9:09 AM
Are you at @assc28.bsky.social #ASSC28? On Wednesday I will present a poster on the causal relationship between choice history biases and catecholamines (noradrenaline / dopamine). With @donnerlab.bsky.social et al.
Reposted by Nicolás Sánchez-Fuenzalida
Happy to share the first project of my PhD at #ASSC28, on how voluntary strategies modulate the reading response and how this relates to suggestibility and metacognitive efficiency.
Appreciation to my collaborators, and to @fahrenfort.bsky.social for his support and supervision on this project.
Appreciation to my collaborators, and to @fahrenfort.bsky.social for his support and supervision on this project.
July 7, 2025 at 2:46 PM
Happy to share the first project of my PhD at #ASSC28, on how voluntary strategies modulate the reading response and how this relates to suggestibility and metacognitive efficiency.
Appreciation to my collaborators, and to @fahrenfort.bsky.social for his support and supervision on this project.
Appreciation to my collaborators, and to @fahrenfort.bsky.social for his support and supervision on this project.
Reposted by Nicolás Sánchez-Fuenzalida
Are you at @assc28.bsky.social #ASSC28? Later, @stijnnuiten.bsky.social will present exciting cross-species results on the interaction between latent behavioral states, pupil-linked arousal, and V1 activity. Great collab w/ @psterzer.bsky.social @svangaal.bsky.social @pennartz.bsky.social et al.
July 7, 2025 at 9:05 AM
Are you at @assc28.bsky.social #ASSC28? Later, @stijnnuiten.bsky.social will present exciting cross-species results on the interaction between latent behavioral states, pupil-linked arousal, and V1 activity. Great collab w/ @psterzer.bsky.social @svangaal.bsky.social @pennartz.bsky.social et al.
I will be presenting some of my postdoc work during the very last session of the conference. would love to hear your feedback 📊📢 @assc28.bsky.social #ASSC28
July 7, 2025 at 8:13 AM
I will be presenting some of my postdoc work during the very last session of the conference. would love to hear your feedback 📊📢 @assc28.bsky.social #ASSC28
a small suggestion for the catering @assc28.bsky.social, @ademertzi.bsky.social #ASSC28, it would be great if the people serving would know what vegan is or at least what the ingredients of the food are. thank you!
July 6, 2025 at 4:29 PM
a small suggestion for the catering @assc28.bsky.social, @ademertzi.bsky.social #ASSC28, it would be great if the people serving would know what vegan is or at least what the ingredients of the food are. thank you!
Reposted by Nicolás Sánchez-Fuenzalida
Starting tomorrow! Join us for lots of ECR talks about topics from across the field of working memory research!
Can you believe that WMS2025 (July 8-11) is less than a week away? If you are interested in Working Memory Research, WMS2025 is THE BEST online conference with THE AWESOMEST community of researchers across the globe! So DON'T FORGET TO CHECK IT OUT!
www.wmsymposium.org/home
www.wmsymposium.org/home
Working Memory Symposium
Date: July 8-11 Program is now Available!
www.wmsymposium.org
July 6, 2025 at 11:02 AM
Starting tomorrow! Join us for lots of ECR talks about topics from across the field of working memory research!
Last week not only I defended my PhD, but I also got to organized this amazing workshop with some amazing people. Thanks again to @ibbamsterdam.bsky.social for making this meeting possible!
We just wrapped up an amazing workshop: "Vision as Prediction: Learning, Action & Biases", organized by Dr. Nicolás Sánchez-Fuenzalida & funded by iBBA.
June 12, 2025 at 9:05 AM
Last week not only I defended my PhD, but I also got to organized this amazing workshop with some amazing people. Thanks again to @ibbamsterdam.bsky.social for making this meeting possible!
Reposted by Nicolás Sánchez-Fuenzalida
Finally the Version of Record of our paper "Criterion placement threatens the construct validity of neural measures of consciousness" is out in @elife.bsky.social as *fundamental* and *compelling*!
doi.org/10.7554/eLif....
doi.org/10.7554/eLif....
May 29, 2025 at 9:11 AM
Finally the Version of Record of our paper "Criterion placement threatens the construct validity of neural measures of consciousness" is out in @elife.bsky.social as *fundamental* and *compelling*!
doi.org/10.7554/eLif....
doi.org/10.7554/eLif....
Reposted by Nicolás Sánchez-Fuenzalida
Very happy this is finally out 🎉. In this paper, we show that conf. reports are biased by a visual illusion, an asymmetrical base rate and a payoff scheme. Crucially, we show that only the visual illusion affects subj. experience, suggesting decision bias leaks onto confidence reports.
Using explicit measures of subjective experience & Bayesian ordinal modeling, this study shows that confidence reports in perceptual decisions are influenced by nonperceptual biases.
@n41c0.bsky.social @fahrenfort.bsky.social @smfleming.bsky.social @juliaha.bsky.social
www.nature.com/articles/s44...
@n41c0.bsky.social @fahrenfort.bsky.social @smfleming.bsky.social @juliaha.bsky.social
www.nature.com/articles/s44...
Confidence reports during perceptual decision making dissociate from changes in subjective experience - Communications Psychology
Using explicit measures of subjective experience and a Bayesian ordinal modeling framework, this study shows that confidence reports in perceptual decisions are influenced by nonperceptual biases.
www.nature.com
May 22, 2025 at 10:53 AM
Very happy this is finally out 🎉. In this paper, we show that conf. reports are biased by a visual illusion, an asymmetrical base rate and a payoff scheme. Crucially, we show that only the visual illusion affects subj. experience, suggesting decision bias leaks onto confidence reports.
If you are in Amsterdam on June 6 and predictions are your gig you will want to check out this very cool symposium I'm hosting and presenting in. Speakers: @eelkespaak.bsky.social, @clarepress.bsky.social, Ruth van Holst, @degeelab.bsky.social. See the program below.
To celebrate the defence of my PhD, and thanks to
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
May 25, 2025 at 1:46 PM
If you are in Amsterdam on June 6 and predictions are your gig you will want to check out this very cool symposium I'm hosting and presenting in. Speakers: @eelkespaak.bsky.social, @clarepress.bsky.social, Ruth van Holst, @degeelab.bsky.social. See the program below.
(couldn't wait till Monday because I'm impatient) this lovely preprint has the last part of my phd work and now is out and about 🎉🎊. will write a thread on Monday. stay tuned 📻.
osf.io/preprints/ps...
osf.io/preprints/ps...
May 24, 2025 at 9:39 AM
(couldn't wait till Monday because I'm impatient) this lovely preprint has the last part of my phd work and now is out and about 🎉🎊. will write a thread on Monday. stay tuned 📻.
osf.io/preprints/ps...
osf.io/preprints/ps...
Very happy this is finally out 🎉. In this paper, we show that conf. reports are biased by a visual illusion, an asymmetrical base rate and a payoff scheme. Crucially, we show that only the visual illusion affects subj. experience, suggesting decision bias leaks onto confidence reports.
Using explicit measures of subjective experience & Bayesian ordinal modeling, this study shows that confidence reports in perceptual decisions are influenced by nonperceptual biases.
@n41c0.bsky.social @fahrenfort.bsky.social @smfleming.bsky.social @juliaha.bsky.social
www.nature.com/articles/s44...
@n41c0.bsky.social @fahrenfort.bsky.social @smfleming.bsky.social @juliaha.bsky.social
www.nature.com/articles/s44...
Confidence reports during perceptual decision making dissociate from changes in subjective experience - Communications Psychology
Using explicit measures of subjective experience and a Bayesian ordinal modeling framework, this study shows that confidence reports in perceptual decisions are influenced by nonperceptual biases.
www.nature.com
May 22, 2025 at 10:53 AM
Very happy this is finally out 🎉. In this paper, we show that conf. reports are biased by a visual illusion, an asymmetrical base rate and a payoff scheme. Crucially, we show that only the visual illusion affects subj. experience, suggesting decision bias leaks onto confidence reports.
To celebrate the defence of my PhD, and thanks to
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
May 20, 2025 at 12:48 PM
To celebrate the defence of my PhD, and thanks to
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
@ibbamsterdam.bsky.social, I will host a symposium titled "Vision as prediction: learning, action, and biases" on June 6. Program, registration and more information here: bit.ly/43reOgR
Reposted by Nicolás Sánchez-Fuenzalida
⚠️ Come see our new preprint, in which we (@degeelab.bsky.social, Jasper Zantvoord, @psterzer.bsky.social, @fahrenfort.bsky.social & @svangaal.bsky.social) show that phasic (task-evoked) and tonic (baseline) arousal distinctly shape human decision bias! (1/6)
dx.doi.org/10.21203/rs....
dx.doi.org/10.21203/rs....
Phasic and tonic arousal distinctly shape human decision bias
Neuroscientific theories hypothesize that arousal fluctuations influence human perception and behavior in two functionally distinct ways: through variations in baseline state (tonic arousal) and by tr...
www.researchsquare.com
May 19, 2025 at 3:13 PM
⚠️ Come see our new preprint, in which we (@degeelab.bsky.social, Jasper Zantvoord, @psterzer.bsky.social, @fahrenfort.bsky.social & @svangaal.bsky.social) show that phasic (task-evoked) and tonic (baseline) arousal distinctly shape human decision bias! (1/6)
dx.doi.org/10.21203/rs....
dx.doi.org/10.21203/rs....
Reposted by Nicolás Sánchez-Fuenzalida
In @elife.bsky.social: Perceptual and attentional impairments of conscious access involve distinct neural mechanisms despite equal task performance doi.org/10.7554/eLif... by Samuel Noorman with @timostein.bsky.social and Simon van Gaal. Well done Samuel!
Perceptual and attentional impairments of conscious access involve distinct neural mechanisms despite equal task performance
When performance is matched, the attentional blink allows for greater integration of complex stimulus features than masking, reflecting spared recurrent processing during attentional versus perceptual...
doi.org
May 2, 2025 at 5:19 AM
In @elife.bsky.social: Perceptual and attentional impairments of conscious access involve distinct neural mechanisms despite equal task performance doi.org/10.7554/eLif... by Samuel Noorman with @timostein.bsky.social and Simon van Gaal. Well done Samuel!
Reposted by Nicolás Sánchez-Fuenzalida
Four large Dutch universities, including Leiden University where I work, have decided to throw international psychology bachelor programs under the bus in an effort to appease the rightwing government.
Here's my blog why this is a terrible idea.
eiko-fried.com/cutting-inte...
Here's my blog why this is a terrible idea.
eiko-fried.com/cutting-inte...
Cutting international bachelor programs threatens psychological science » Eiko Fried
Two days ago, four Dutch universities announced discontinuing their English-speaking psychology bachelor programs (1, 2). I will briefly explain (1) how this decision came to be, (2) why this is such ...
eiko-fried.com
April 17, 2025 at 10:44 PM
Four large Dutch universities, including Leiden University where I work, have decided to throw international psychology bachelor programs under the bus in an effort to appease the rightwing government.
Here's my blog why this is a terrible idea.
eiko-fried.com/cutting-inte...
Here's my blog why this is a terrible idea.
eiko-fried.com/cutting-inte...
got a paper accepted today, maybe life is good after all
April 4, 2025 at 12:29 PM
got a paper accepted today, maybe life is good after all
Reposted by Nicolás Sánchez-Fuenzalida
Today at 16:00 (Central European Time), Axel Cleeremans (@axc.bsky.social) will present at our Cognitive Neuroscience Seminars on his lab's work on the value of consciousness. For those who want to attend, please find the relevant information (e.g. Zoom link) below. We're excited to have you, Axel!
Cognitive Neuroscience Club: "What it's like is all there is: The value of Consciousness"
Our next online seminar is on Friday 7 March 2025 at 16:00. We welcome Prof. Axel Cleeremans, Center for Research in Cognition & Neurosciences (CRCN), Université libre de Bruxelles, Belgium.
news.ki.se
March 7, 2025 at 10:25 AM
Today at 16:00 (Central European Time), Axel Cleeremans (@axc.bsky.social) will present at our Cognitive Neuroscience Seminars on his lab's work on the value of consciousness. For those who want to attend, please find the relevant information (e.g. Zoom link) below. We're excited to have you, Axel!
Yesterday I spent an hour trying to put files in OSF because you can't simply drag an entire folder. For anyone else struggling, there is an R package called osfr that you can use to copy your whole repo into your OSF 🙏🙏🙏
GitHub - ropensci/osfr: R interface to the Open Science Framework (OSF)
R interface to the Open Science Framework (OSF). Contribute to ropensci/osfr development by creating an account on GitHub.
github.com
March 5, 2025 at 9:50 AM
Yesterday I spent an hour trying to put files in OSF because you can't simply drag an entire folder. For anyone else struggling, there is an R package called osfr that you can use to copy your whole repo into your OSF 🙏🙏🙏
Reposted by Nicolás Sánchez-Fuenzalida
🎉 Our paper "Criterion placement threatens the construct validity of neural measures of consciousness" is now out in eLife! 🎉
TL;DR: Both simulations and empirical data show that you should not post-hoc sort neural data based on subjective measures of consciousness.
elifesciences.org/reviewed-pre...
TL;DR: Both simulations and empirical data show that you should not post-hoc sort neural data based on subjective measures of consciousness.
elifesciences.org/reviewed-pre...
Criterion placement threatens the construct validity of neural measures of consciousness
elifesciences.org
December 3, 2024 at 8:27 AM
🎉 Our paper "Criterion placement threatens the construct validity of neural measures of consciousness" is now out in eLife! 🎉
TL;DR: Both simulations and empirical data show that you should not post-hoc sort neural data based on subjective measures of consciousness.
elifesciences.org/reviewed-pre...
TL;DR: Both simulations and empirical data show that you should not post-hoc sort neural data based on subjective measures of consciousness.
elifesciences.org/reviewed-pre...
Reposted by Nicolás Sánchez-Fuenzalida
Now that more people are here, I’m signal boosting this great methods primer by my PhD student Chris. Chris is currently in the market for a postdoc, and comes highly recommended! #neuroskyence
Excited to share my primer on simulation-based power analysis using R, Python, and Julia! Based on @debruine.bsky.social's approach applied to data collected by @kirsten-adam.bsky.social, I hope it's a helpful tool for those starting with simulations. Check it out: cjungerius.github.io/powersim/
Power Simulation: A primer in 3 languages - Power Simulation in a Mixed Effects design using R
cjungerius.github.io
November 22, 2024 at 4:50 PM
Now that more people are here, I’m signal boosting this great methods primer by my PhD student Chris. Chris is currently in the market for a postdoc, and comes highly recommended! #neuroskyence
thanks to the iBBA VU our workshop on Info. Theory is in full swing with Dr. Ince (@robince.bsky.social) giving an intro. lecture on info. theory measures. Dr. Canales-Johnson (@canalesjohnson.bsky.social) will follow with a lecture on how to use these measures to study perception and cognition
November 14, 2024 at 9:49 AM
thanks to the iBBA VU our workshop on Info. Theory is in full swing with Dr. Ince (@robince.bsky.social) giving an intro. lecture on info. theory measures. Dr. Canales-Johnson (@canalesjohnson.bsky.social) will follow with a lecture on how to use these measures to study perception and cognition