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Daniele Marinazzo @danielemarinazzo.bsky.social · 4h

We should definitely not blindly talk about "beta connectivity" without asking ourselves whether there's beta activity in the first place, and even more so when there isn't, 1/f is prominent (as it is to be expected). This was (at least I think now 😅) my comment

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Daniele Marinazzo @danielemarinazzo.bsky.social · 7h

Weird, is the comment to the preprint
www.biorxiv.org/content/10.1...

Functional connectivity is dominated by aperiodic, rather than oscillatory, coupling

Functional connectivity has attracted significant interest in the identification of specific circuits underlying brain (dys-)function. Classical analyses to estimate functional connectivity (i.e., fil...

www.biorxiv.org

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Daniele Marinazzo @danielemarinazzo.bsky.social · 8h

At short scales all is aperiodic, at long scales, all is periodic
disq.us/p/30ouev0

disq.us

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Daniele Marinazzo @danielemarinazzo.bsky.social · 14d

Some see these as hallmark of AI generated text, but apparently is not necessarily the case
www.nytimes.com/2025/09/18/m...

With the Em Dash, A.I. Embraces a Fading Tradition

www.nytimes.com

Daniele Marinazzo @danielemarinazzo.bsky.social · 15d

You could have rather put the quotation marks in "arousal", given the last sentence of the paper.
Nice and impressive, but it's basically saying that there is a low-dimensional descriptor. Now, it could have been reversed having latent brain dynamics as a predictor, and pupillometry as the target

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Daniele Marinazzo @danielemarinazzo.bsky.social · 15d

There are so many assumptions we make, and so many mechanisms that could originate the same spectral features (both "periodic" and "aperiodic"), that pretending to "separate" them (are they separable?) is super difficult if not ill-posed.

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Daniele Marinazzo @danielemarinazzo.bsky.social · 15d

thanks!. I appreciate your effort, and I have been thinking a lot about this "separation" too. But outside the framework of a (biased imo) generative model of "pure oscillations" plus 1/f, how can this be applied to real data?

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Reposted by Daniele Marinazzo

Dr Cyril Pernet @cyrilrpernet.bsky.social · 18d

arxiv.org/abs/2509.15278 check that your metadata are 'private' i.e. that they do not leak personal information -- BIDSapp available 😀

Assessing metadata privacy in neuroimaging

The ethical and legal imperative to share research data without causing harm requires careful attention to privacy risks. While mounting evidence demonstrates that data sharing benefits science, legit...

arxiv.org

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Reposted by Daniele Marinazzo

Peter Zeidman @corticalpete.bsky.social · 24d

A birthday is a good time to reflect! To mark SPM @ 30, this month's issue of Cerebral Cortex features deeply insightful commentaries on neuroimaging analysis from Ed Bullmore, Peter Bandettini, Peter Fox, Pedro Valdes-Sosa, Klaas Enno Stephan, Viktor Jirsa, et al [1/2] academic.oup.com/cercor/issue

Issues | Cerebral Cortex | Oxford Academic

Publishes papers on the development, organization, plasticity, and function of the cerebral cortex, including the hippocampus.

academic.oup.com

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Daniele Marinazzo @danielemarinazzo.bsky.social · 25d

ha! you wouldn't tell..
I always use this slide

a slide mentioning that colliders and confounders (and limits in pairwise and partial correlations) are well known in psychometrics and epidemiology, but much less so in neuro

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Reposted by Daniele Marinazzo

BeyondTheEdge @beyondtheedge.network · Sep 8

BeyondTheEdge at the School of Complexity on "Higher-order interactions: mechanisms, behaviors, and networks" by our own @lordgrilo.bsky.social and @gin-bianconi.bsky.social with @aliceschwarze.bsky.social, @danielemarinazzo.bsky.social. Great perspectives! www.beyondtheedge.network/articles/bey...

BeyondTheEdge goes to Sicily

BeyondTheEdge researchers participated in the School of Complexity on

www.beyondtheedge.network

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Daniele Marinazzo @danielemarinazzo.bsky.social · Sep 5

Congratulations, you'll do great things

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Daniele Marinazzo @danielemarinazzo.bsky.social · Sep 3

It's a self answering question, those are defined by the association, so if they do stuff together, call them the same. Or do as some smart asses who talk about "coactivation"

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Reposted by Daniele Marinazzo

Dr. Cat Hicks @grimalkina.bsky.social · Sep 1

I'm specifically sharing this paper because I saw a post recently that said people who think about methodology are "attacking authors"

Jeff Greene @jeffgreene.bsky.social · Sep 1

Do students learn to think like researchers? 🧪 Our study found psych majors judged study quality & designed research using sound criteria. High achievers also reflected on why methods matter. More evidence for teaching epistemic reflection.
#PsychSciSky #AcademicSky #EduSky

College Undergraduates’ Use of Epistemic Criteria and Strategies While Designing Psychology Research Studies

Barzilai and Chinn (2018) have advocated for framing education more overtly around epistemic matters to help students learn how to create worthwhile epistemic aims, which they achieve by using appr...

doi.org

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Daniele Marinazzo @danielemarinazzo.bsky.social · Aug 27

"Brief segments of neurophysiological activity enable individual differentiation", but also when the neurophysiological activity (MEG data) is identical for all the subjects, we have the same differentiation.

Because of the head shape, of course.

pubpeer.com/publications...

PubPeer - Brief segments of neurophysiological activity enable individ...

There are comments on PubPeer for publication: Brief segments of neurophysiological activity enable individual differentiation (2021)

pubpeer.com

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Daniele Marinazzo @danielemarinazzo.bsky.social · Aug 23

Exactly! Quite overlooked in neuroimaging, to the point that papers like this one are necessary pubmed.ncbi.nlm.nih.gov/32427070/

Combining Multiple Functional Connectivity Methods to Improve Causal Inferences - PubMed

Cognition and behavior emerge from brain network interactions, suggesting that causal interactions should be central to the study of brain function. Yet, approaches that characterize relationships amo...

pubmed.ncbi.nlm.nih.gov

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Daniele Marinazzo @danielemarinazzo.bsky.social · Aug 23

www.sciencedirect.com/science/arti...

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Reposted by Daniele Marinazzo

Laura Dugué @lauradugue.bsky.social · Aug 17

🚨New preprint from the Dugué Lab!

Happy to share our last work on #attention_rhythms, co-led by @cogsenoussi.bsky.social & former Dugué Lab PhD student @lauriegalas.bsky.social, and in collab with Niko Busch 🎉

@upcite.bsky.social | @erc.europa.eu | #neuroskyence

www.biorxiv.org/content/10.1...

Theta-rhythmic attentional exploration of space

Attention facilitates stimulus processing by selecting specific locations (spatial attention) or features (feature-based attention). It can be sustained on a given location or feature, or re-oriented ...

www.biorxiv.org

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Daniele Marinazzo @danielemarinazzo.bsky.social · Aug 11

Fun how the thumbnail image leaked from my viewpoint physics.aps.org/articles/v18...

With Behaviors Like These in Complex Systems, Who Needs Mechanisms?

A new study of complex systems supports a growing trend that focuses more on analyzing a system’s collective behavior rather than on trying to uncover the underlying interaction mechanisms.

physics.aps.org

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Reposted by Daniele Marinazzo

Andrea Brovelli @brovelli.bsky.social · Aug 10

Finally out on Nat Comms 🚀
We show that an intrinsic motivational learning signal (information gain) is encoded through synergistic and higher-order functional brain interactions and is broadcast to prefrontal reward circuits.

https://www.nature.com/articles/s41467-025-62507-1

t.co

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Daniele Marinazzo @danielemarinazzo.bsky.social · Aug 1

Localizing Synergies of Hidden Factors in Complex Systems: Resting Brain Networks and HeLa Gene Expression Profile as Case Studies

www.mdpi.com/1099-4300/27...

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Daniele Marinazzo @danielemarinazzo.bsky.social · Jul 25

Each CAP has dimensions of vertices × 1 and represents a pattern of activity. To transform activations into their corresponding functional connectivity contribution, we used “edge time series.”

So is the C in CAP useless? Why are they called co-activation, and not just "activity" then?

Daniele Marinazzo @danielemarinazzo.bsky.social · Jul 21

You mean apart from the cardio and respiratory ones? In the same way that bands are somewhat arbitrary, so is the limit between oscillations and broadband. Also, any oscillations with varying amplitude results in 1/f

Daniele Marinazzo @danielemarinazzo.bsky.social · Jul 19

Link please!

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Reposted by Daniele Marinazzo

Seyed (Yahya) Shirazi @neuromechanist.bsky.social · Jul 15

🧠 𝗦𝘁𝗼𝗽 𝘂𝘀𝗶𝗻𝗴 𝗿𝗮𝘄 𝗘𝗘𝗚 𝗰𝗵𝗮𝗻𝗻𝗲𝗹𝘀 - 𝗵𝗲𝗿𝗲'𝘀 𝘄𝗵𝘆⁣
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New research with 1,024 brain electrodes proves EEG channels DON'T reflect local brain activity underneath the electrode.⁣

paper: ⁣https://www.biorxiv.org/content/10.1101/2025.06.24.660870v1
⁣
#Neuroscience #EEG #BrainResearch

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