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Julian Matthews @quining.bsky.social · 13h

It was a pleasure publishing with CommsPsychol in the RR format. Highly recommended! 🌟

Communications Psychology @commspsychol.nature.com · 13h

Decisions and confidence ratings are crucial to metacognition research. This Registered Report finds that the order in which first and second order ratings are collected has little effect on metacognitive efficiency.
@quining.bsky.social
www.nature.com/articles/s44...

The order of task decisions and confidence ratings has little effect on metacognition - Communications Psychology

Decisions and confidence ratings are crucial to metacognition research. A concern is whether the order in which first and second order ratings are collected may affect results. This Registered Report finds order has little effect on metacognitive efficiency.

www.nature.com

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Julian Matthews @quining.bsky.social · 8d

Huge thanks to the amazing team @RIKEN_CBS and editors/reviewers at @commspsychol.nature.com !

Kazuhisa Shibata, Hiroki Ohashi, Sofia Nagisa, & Narumi Sugihara 🙌

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Julian Matthews @quining.bsky.social · 8d

The result: negligible effect ⚡

Metacognitive efficiency is robust to report order—it need not constrain study design and secondary analysis...

But watch out if you use regression measures?! 😱

See the full story here: 👉 www.nature.com/articles/s44...

#psychology #OpenScience #neuroscience

A plot from the paper that shows negligible effect of limiting time or motor preparation on metacognitive efficiency measures.

A plot from the paper that shows negligible effect of report order on metacognitive efficiency measures.

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Julian Matthews @quining.bsky.social · 8d

We tested this directly, 2 experiments (perception & memory, n=175) controlling for ⏱️ timing and ✋ motor preparation.

7 registered hypotheses and 3 different measures unpacked order bias from all angles.

A figure from the paper illustrating the study design:

Three report orders determine the arrangement of task decisions and confidence ratings: (1) decision followed by confidence, (2)decision simultaneous with confidence, and (3) confidence followed by decision.Three report contexts test the influence of reaction time and motor preparation. (1)In the time limited context, participants had 2.8 seconds in total to make the task decision and confidence rating. The response annulus appeared at a new, random angle on each trial. (2) In the baseline context, participants had unlimited time toreport, but the response annulus appeared at a new, random angle on each trial. (3)In the motor fixed context, participants had unlimited time to report, and the response annulus was fixed in the same position on every trial. An orange spot is added to each annulus in this figure to aid in visualising the rotation. This spot was not presented to participants.

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Julian Matthews @quining.bsky.social · 8d

🚨 Out now in @commspsychol.nature.com 🚨
doi.org/10.1038/s442...

Our #RegisteredReport tested whether the order of task decisions and confidence ratings bias #metacognition.

Some said decisions → confidence enhances metacognition. If true, decades of findings will be affected.

A picture of our paper's abstract and title: The order of task decisions and confidence ratings has little effect on metacognition.

Task decisions and confidence ratings are fundamental measures in metacognition research, but using these reports requires collecting them in some order. Only three orders exist and are used in an ad hoc manner across studies. Evidence suggests that when task decisions precede confidence, this report order can enhance metacognition. If verified, this effect pervades studies of metacognition and will lead the synthesis of this literature to invalid conclusions. In this Registered Report, we tested the effect of report order across popular domains of metacognition and probed two factors that may underlie why order effects have been observed in past studies: report time and motor preparation. We examined these effects in a perception experiment (n = 75) and memory experiment (n = 50), controlling task accuracy and learning. Our registered analyses found little effect of report order on metacognitive efficiency, even when timing and motor preparation were experimentally controlled. Our findings suggest the order of task decisions and confidence ratings has little effect on metacognition, and need not constrain secondary analysis or experimental design.

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Reposted by Julian Matthews

Mel Goodale @action-brain.bsky.social · Jun 3

CIFAR invites applications for senior PhD and postdocs to participate in the Neuroscience of Consciousness Winter School, held in Montebello, Canada Dec 10-12, 2025. The Winter School is hosted by members of CIFAR’s Brain, Mind, and Consciousness program. Please repost.
cifar.ca/next-generat... 🧠🧪

Dog-sled going past the Le Château Montebello.

Main public room in Le Château Montebello decorated for Christmas. The building is the world's largest "log cabin".

Le Château Montebello is situated on the banks of the Ottawa river, separating Quebec and Ontario.

Group photo the school of 2018 at the Winter school on the Neuroscience of Consciousness

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Julian Matthews @quining.bsky.social · Apr 30

My family and I will take part in the Memory Walk this year supporting those living with dementia and their current/former carers ♥️

We would appreciate any donations you can spare: www.memorywalk.com.au/fundraisers/...

Help Anna Raise Funds To Beat Dementia!

On Saturday, 24 May, I'm taking part in Redcliffe's Memory Walk & Jog to raise funds to support Australians impacted by dementia. This is a cause close to my heart and I would love your support. Pleas...

www.memorywalk.com.au

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Reposted by Julian Matthews

Communications Psychology @commspsychol.nature.com · Mar 13

Using a confidence-accuracy dissociation paradigm, the study finds that multisensory integration follows subjective confidence instead of objective accuracy. Further modeling suggests shared computations between confidence and multisensory integration.
www.nature.com/articles/s44...

Automatic multisensory integration follows subjective confidence rather than objective performance - Communications Psychology

Using a confidence-accuracy dissociation paradigm, the study finds that multisensory integration follows subjective confidence instead of objective accuracy. Further modeling suggests shared computati...

www.nature.com

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Julian Matthews @quining.bsky.social · Jan 17

A good point Ken, exacerbated by large indiv. differences in metacog across the gen. population.

Some of these data (eg @hohwy.bsky.social & mine, w/ descriptions of each participant from our neurologist collaborators) are publicly available. A good opportunity for indiv. diff. analysis imo!

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Julian Matthews @quining.bsky.social · Jan 17

Lovely/comprehensive review of metacognition and functional neurological disorder; a condition that demands a metacognitive interpretation: doi.org/10.1093/brai...

The emerging picture aligns with findings in psychopathology more broadly—metacognitive performance is often equivalent to controls.

Going ‘meta’: a systematic review of metacognition and functional neurological disorder

Sadnicka et al., overview experimental data that has examined metacognition in patients with functional neurological disorders (FND). Interestingly, most s

doi.org

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Reposted by Julian Matthews

Maks Sipowicz @callmesipo.bsky.social · Dec 3

Having now read two dozen or so ARC Discovery Project EOIs the best advice I can give everyone preparing one is to simplify their writing a lot. You're not writing for experts, the whole College of Experts is involved, you'll have people who have no clue about your discipline assessing this

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Julian Matthews @quining.bsky.social · Nov 25

Wish I could be there! Bryan is a fantastic instructor.

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Reposted by Julian Matthews

Shawn Prest @shawnprest.bsky.social · Nov 25

Excited to be here with @bethfisher.bsky.social and Mengting Zhang from @monash-m3cs.bsky.social at ACNS mers.cventevents.com/event/ACNS20... @acnsau.bsky.social

I'll be presenting active inference modelling work on meditative deconstruction and letting go.

HOME - ACNS 2024 Conference

mers.cventevents.com

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Reposted by Julian Matthews

megan peters 🧠 @meganakpeters.bsky.social · Nov 22

now out in Cerebral Cortex! my newest opinion piece,
"Introspective psychophysics for the study of subjective experience"
#neuroskyence #neuroAI #consciousness #introspection #psychology

academic.oup.com/cercor/advan...

Introspective psychophysics for the study of subjective experience

Abstract. Studying subjective experience is hard. We believe that pain is not identical to nociception, nor pleasure a computational reward signal, nor fea

academic.oup.com

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Reposted by Julian Matthews

megan peters 🧠 @meganakpeters.bsky.social · Nov 22

finally published! Optimal metacognitive decision strategies in signal detection theory -- with the brilliant Brian Maniscalco and Lucie Charles
#neuroskyence #neuroAI #metacognition #consciousness #psychology

link.springer.com/article/10.3...

Optimal metacognitive decision strategies in signal detection theory - Psychonomic Bulletin & Review

Signal detection theory (SDT) has long provided the field of psychology with a simple but powerful model of how observers make decisions under uncertainty. SDT can distinguish sensitivity from respons...

link.springer.com

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Reposted by Julian Matthews

Matthias Michel @matthiasmichel.bsky.social · Nov 22

In this new preprint @smfleming.bsky.social and I present a new theory of the functions and evolution of conscious vision. This is a big project: osf.io/preprints/ps.... We'd love to get your comments!

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Reposted by Julian Matthews

acnsau.bsky.social @acnsau.bsky.social · Nov 18

Hello world! Australasian Cognitive Neuroscience Society is on bsky! #ACNSnews

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Julian Matthews @quining.bsky.social · Nov 19

Congrats Huw! I genuinely look forward to reading it.

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Julian Matthews @quining.bsky.social · Nov 18

ABC's Philosopher's Zone is a favourite of mine from the radio station's stable.

Here's the wonderful recent episode on animal+ sentience with @birchlse.bsky.social

www.abc.net.au/listen/progr...

Sentience - ABC listen

Sentience is a puzzle - and an increasingly important one. The question of exactly what constitutes sentience, and which organisms possess it, is hotly contested. But with scientific evidence emerging...

www.abc.net.au

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Reposted by Julian Matthews

Emily Colton (she/her) @ecoltonpsych.bsky.social · Nov 18

Is perceptual novelty important in your research? We created, standardised, and validated a database of truly novel perceptual stimuli (matched to BOSS objects on size, contrast, luminance & colourfulness) so you don't have to! www.nature.com/articles/s41...
#cogpsy #psychology #EEG #neuroskyence

Standardised images of novel objects created with generative adversarial networks - Scientific Data

Scientific Data - Standardised images of novel objects created with generative adversarial networks

www.nature.com

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Reposted by Julian Matthews

Patrick Cooper @neurocoops.bsky.social · Nov 15

Our latest work, up as a preprint to enjoy.

We gave LLMs tasks adapted from experimental psychology to see how they contribute to teamwork.

We found LLMs were reasonable at monitoring tasks but were poor at tasks requiring planning and strategising.

PsyArXivBot @psyarxivbot.bsky.social · Nov 15

How well do Large Language Models perform as team members? Testing teamwork capabilities of LLMs: http://osf.io/qyfrw/

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Reposted by Julian Matthews

Steve Fleming @smfleming.bsky.social · Nov 13

It was only a matter of time - a metacognition starter pack!

Do let me know if I’ve missed people or if you’d like to be added

#neuroskyence 🧪

go.bsky.app/9PSjwLF

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Reposted by Julian Matthews

Francesco Poli @francescopoli.bsky.social · Nov 13

In our latest work on curiosity, we show how autistic traits influence free exploration! Out now in PLOSCompBiol!
journals.plos.org/ploscompbiol...

Autistic traits foster effective curiosity-driven exploration

Author summary Research has long recognized that individuals display curiosity and explore their environments in order to learn. It is suggested that personal characteristics, including autistic trait...

journals.plos.org

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Reposted by Julian Matthews

Timothy Brady @timbrady.bsky.social · Nov 13

New preprint where @mmrobinson93.bsky.social and I jump into the literature on meta-cognition (hopefully in a useful way!): osf.io/preprints/os... We show that a simple memory model (TCC) can be straightforwardly adapted to make predictions about confidence #neuroscience #psychscisky

Figure showing a key manipulation in the paper. A set of images or colors are remembered, and then the memory test pits an item you saw vs one that is similar to the tested item or another remembered item.

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Julian Matthews @quining.bsky.social · Nov 13

Keen to be added 👍

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