Marika Constant
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marikaconstant.bsky.social
Marika Constant
@marikaconstant.bsky.social
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🎉 Excited to share this! Low-level, naturally formed priors influence our perceptual inferences, but do they impact our confidence in the same way? With @elifilevich.bsky.social and @mamassian.bsky.social we found: they influence confidence even more strongly! More👇 1/5

dx.plos.org/10.1371/jour...
Long-term perceptual priors drive confidence bias that favors prior-congruent evidence
Author summary Prior expectations play a critical role in shaping not only the perceptual inferences that we make, but also how confident we feel about those inferences. Bayesian confidence models cap...
dx.plos.org
Reposted by Marika Constant
Are you sure there’s no mosquito in the room?
With @matanmazor.bsky.social, Chichi Dézier, @nfaivre.bsky.social & Louise Goupil, we study how we combine multiple sensory sources to be confident in presence and absence: While detection rely on one modality, confidence requires both channels to align!
Audiovisual congruency drives confidence in presence and absence: https://osf.io/sqpmk
January 26, 2026 at 6:49 AM
Reposted by Marika Constant
#PhiMiSci published a new article in the special issue on structuralism: “Neurophenomenal structuralism and the role of computational context” by M. Paßler and A. Doerig.
It aims to challenges local structuralist theories that overlook the content-constituting role of computational context.
Neurophenomenal structuralism and the role of computational context | Philosophy and the Mind Sciences
Philosophy and the Mind Sciences (PhiMiSci) focuses on the interface between philosophy of mind, psychology, and cognitive neuroscience. PhiMiSci is a peer-reviewed, not-for-profit open-access journal...
philosophymindscience.org
January 19, 2026 at 7:10 AM
Reposted by Marika Constant
🥳Our review of intracranial EEG research on the neural correlates of consciousness is out in eLife: elifesciences.org/reviewed-pre...! We think these methods offer a unique window on consciousness!🧠 A thread 👇
elifesciences.org
January 15, 2026 at 2:05 PM
Reposted by Marika Constant
Glad to share my first paper in postdoc! This was a huge undertaking by many people over the years. I hope you read it! But the short version is this: ACC integrates evidence from self experience and observed experience, and it weighs these sources differently by aligning readout more to the self.
Evidence accumulation from experience and observation in the cingulate cortex https://www.biorxiv.org/content/10.1101/2025.02.13.638172v1
February 14, 2025 at 10:57 PM
Reposted by Marika Constant
Are we ready to tackle perceptual segmentation of natural scenes?

Finally the review on perceptual segmentation you’ve been waiting for!

www.sciencedirect.com/science/arti...
January 5, 2026 at 12:10 PM
Reposted by Marika Constant
Happy New year! Warm wishes to you all.

Sharing a recent paper in which we compared bodily and external agency using behavioral & EEG data.

Behavior looked similar across conditions, but Mratio did not correlate and neural signals differed — distinct processes?

www.eneuro.org/content/earl...
Comparing metacognitive representations of bodily and external agency
We studied the role of movement and outcome information in forming metacognitive representations of agency. Human participants (N = 40; 25 female, 15 male, 0 diverse) completed a goal-oriented task: a...
www.eneuro.org
January 5, 2026 at 11:40 AM
🎉 Excited to share this! Low-level, naturally formed priors influence our perceptual inferences, but do they impact our confidence in the same way? With @elifilevich.bsky.social and @mamassian.bsky.social we found: they influence confidence even more strongly! More👇 1/5

dx.plos.org/10.1371/jour...
Long-term perceptual priors drive confidence bias that favors prior-congruent evidence
Author summary Prior expectations play a critical role in shaping not only the perceptual inferences that we make, but also how confident we feel about those inferences. Bayesian confidence models cap...
dx.plos.org
January 5, 2026 at 11:46 AM
Reposted by Marika Constant
Our #sEEG study is now published in Nature Communications: rdcu.be/eIkoG! 🧠
Key finding: We discovered neural evidence accumulation for visual perception that's independent of report preparation—recorded from >3000 channels across 3 experiments!
#Neuroscience #Consciousness #OpenAccess
September 29, 2025 at 3:27 PM
Reposted by Marika Constant
New from my lab: "Priors for natural image statistics inform confidence in perceptual decisions"

We used a natural image statistics approach to investigate the computations underlying perceptual confidence. 🧵

Article: www.sciencedirect.com/science/arti...
January 29, 2025 at 2:57 AM
Reposted by Marika Constant
Thrilled to share a new preprint on Neurophenomenal Structuralism (NPS) by @adriendoerig.bsky.social & myself! We show why neural structures alone aren’t enough to capture conscious contents. We must consider computational context! (arxiv.org/abs/2412.20873). A Thread (1/15):
Neurophenomenal Structuralism and the Role of Computational Context
Neurophenomenal structuralism posits that conscious experiences are defined relationally and that their phenomenal structures are mirrored by neural structures. While this approach offers a promising ...
arxiv.org
January 15, 2025 at 1:28 PM
Reposted by Marika Constant
🎉 Excited that our latest paper, on touch and agency with @elifilevich.bsky.social and Anthony Ciston is now published in JEP:Genl!! 🚀

Check it out, share with your network, and reach out with any questions or feedback.
We can't wait to hear your thoughts 🙌📚

psycnet.apa.org/doiLanding?d...
APA PsycNet
psycnet.apa.org
August 20, 2024 at 8:08 AM
Reposted by Marika Constant
Fresh off the press: rdcu.be/dLYz8
Distinct basal ganglia contributions to learning from implicit and explicit value signals in perceptual decision-making
With Andrea Pisauro and Marios Philiastides @ccniuofg.bsky.social
Confidence is used for learning even when explicit feedback is provided
Distinct basal ganglia contributions to learning from implicit and explicit value signals in perceptual decision-making
Nature Communications - Confidence could act as an implicit learning signal when explicit feedback is unavailable. The authors show confidence can also provide a distinct value signal in the...
rdcu.be
June 26, 2024 at 3:39 PM
Reposted by Marika Constant
Excited to share our latest work with
Itay Yaron, Dan Biderman, Natalie Biderman,
Rotem Bennet, Meir Plotnik and @liadmudrik.bsky.social
introducing a multi-trial IB paradigm in virtual reality ✨ 🥽 doi.org/10.3758/s13428-024-02401-8 all the materials are open access here >> osf.io/648bp/
April 10, 2024 at 1:44 PM
Reposted by Marika Constant
Is there a (reverse) hierarchy in perceptual metacognition? If you want to know, check this collaborative work with @tarrynbalsdon.bsky.social and V. Wyart.
jov.arvojournals.org/article.aspx...
#visionscience
April 2, 2024 at 9:57 AM
Reposted by Marika Constant
Lots of Oliver's blood sweat and tears in this new preprint. We found BOLD signals reflecting predicted-but-omitted shapes in the CA23 and pre/para-subiculum subfields of the hippocampus, as well as the parahippocampal cortex. #neuroskyence #compneurosky 1/2
Communication of perceptual predictions from the hippocampus to the deep layers of the parahippocampal cortex
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
www.biorxiv.org
April 1, 2024 at 11:35 AM
Reposted by Marika Constant
Super excited to share the very first preprint from my PhD: Pre-stimulus alpha oscillations encode stimulus-specific visual predictions. [1/8] #neuroskyence #PsychSciSky #compneurosky biorxiv.org/cgi/content/...
Pre-stimulus alpha oscillations encode stimulus-specific visual predictions
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
biorxiv.org
March 15, 2024 at 9:24 AM
Reposted by Marika Constant
A causal manipulation of prior beliefs influences the confidence we have in our decisions! Very excited to see this paper work published in Psychological Science. Get the final paper here: pubmed.ncbi.nlm.nih.gov/38427319/
#AcademicSky #PsychSciSky #Neuroscience #Neuroskyence
March 4, 2024 at 2:26 PM
Reposted by Marika Constant
Will I see something, and if so, what will it be? I am excited to share my very first paper, in collaboration with @jhaarsma.bsky.social , @smfleming.bsky.social and @peterkok.bsky.social. 🧵https://www.biorxiv.org/content/10.1101/2024.02.22.581334v1
February 26, 2024 at 10:55 AM
Reposted by Marika Constant
New preprint!!! doi.org/10.1101/2023...
We studied the role of tactile information in forming our sense of agency. The feeling that we are the authors of our actions.

(Spoiler alert ;) we argue for a role in shaping our experience of acting voluntarily)
Contributions of tactile information to the sense of agency and its metacognitive representations
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
doi.org
December 16, 2023 at 7:06 PM