daniele marinazzo
@dan_marinazzo
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Brain, models, complexity, networks @ugent SE @PLOSCompBiol ; EiC @nbdt_journal ; AE @netneurosci , @ImagingNeurosci . @danielemarinazzo { @neuromatch ,.bsky}.social
Belgium
Joined January 2013
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Pinned Tweet
Oh wow it's "let's fit some model from physics to brain activity and let's say that the brain has that physical property" o' clock again
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Gmail just suggested that I reply to a manuscript rejection letter as "no problem, I understand".
AI should be specially trained for academia.
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When will Elon Musk address fMRI global signal regression?
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Attending
@escan2024
#escan2024
?
With
@_fernando_rosas
we will give a tutorial on "Beyond pairwise correlations: an introduction to higher order statistical interactions and their application in cognitive and affective neuroscience"
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Our rsHRF toolbox is now:
on
@nitrc_info
on SPM
a BIDS app
Ptyhon
Matlab
Slack
Kudos to the team, now up to you users!
Please RT
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It would pop out better with a jet colormap
Scientists have obtained the first image of a black hole, using Event Horizon Telescope observations of the center of the galaxy M87. The image shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun
2K
53K
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Happy to receive the Belgian Chair at the University of London for this academic year from
@BelgiuminUK
.
Looking forward to some good times with
@wetuad
at
@QMUL
on methods in complex systems and information theory and their application.
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Happy and honored to step up as Deputy Editor for
@PLOSCompBiol
and to engage further with an amazing community of colleagues
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PyDaddy: A Python package for discovering stochastic dynamical equations from timeseries data
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Granger causality applied to neuroscience (especially in fMRI) is often bashed by editors and reviewers. Sometimes for good reasons, other times for less good reasons.
A short thread. My questionable opinions of course
👇
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Scientist on twitter: whoa this new preprint is so insightful, everyone should read it!
*preprint is submitted to journal I edit for *
Me to scientist: would please review it?
Scientist: no
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Nice visualization of resting state fMRI networks 😁
3
20
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I was just looking for some swag to bring home to the kids from
#OHBM2019
, and here it is!
Peppa pig voxels! So cool!
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rsHRF: A toolbox for resting-state HRF estimation and deconvolution
Out in
@NeuroImage_EiC
, by
@GuorongWu
and
@Nigel_Col
, with
@sofie_vdbos
,
@mad_tandon
, A. Johri, K. Clauw, and me
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Testers needed!
Our toolbox to retrieve and deconvolve a proxy of the HRF from resting state fMRI data is now in Python, thanks to the
@gsoc
student Madhur Tandon.
Feedback welcome, also on
Please RT
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Correlation networks: Interdisciplinary approaches beyond thresholding
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We have a new paper, (very) long in the making and changing several times since its conception, but overall fun and instructive to work on!
It's called
"An information-theoretic approach to hypergraph psychometrics"
Below I tell you more about it
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New preprint: how important is the head model for MEG (and EEG) based functional connectivity fingerprinting?
We think quite important.
A small thread below
👇
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Our rsHRF toolbox is now on:
-
@nitrc_info
-SPM
-BIDS
-Ptyhon
-Matlab …
-Brainlife
Kudos to the team, now up to you users!
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Periodic reminder that the universe does its things, and we try to model some behavior with math/physics, but this doesn't mean that the universe should be assigned the mathematical properties of the models
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If you ever wandered what happens after the "skull stripping" step in your MRI images processing..
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New paper!
A Framework for the Time- and Frequency-Domain Assessment of High-Order Interactions in Brain and Physiological Networks
with Luca Faes, Gorana Mijatovic,
@SebinoStram
, and many others
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Happy to share our review "Electrophysiological Brain Connectivity: Theory and Implementation"
with
@sosa_valdes
,
@astolfil_bioing
,
@PalvaLab
, Bénar, He, Michel, Koenig
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Our paper "Multiscale Information Decomposition: Exact Computation for Multivariate Gaussian Processes" has won the
@Entropy_MDPI
best paper award!
Congratulations to Luca Faes and
@SebinoStram
, and we hope that the framework will find many applications!
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Apparent universality of 1/f spectra as an artifact of finite-size effects
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We submit a paper with all the code and the data attached.
Reviewer: "the authors did not specify which software or toolbox are used"
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I will be mentoring a project in this year's Google Summer of Code
#GSOC2024
, on behalf of
@INCForg
.
"Writing a R package for the computation of the O-information", with
@_fernando_rosas
and Pedro Mediano.
All info and interactions on
@neuroquestion
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Yet another paper that fails to mention "in the USA" in the title. It even starts with "we at the national (unspecified which nation since there's only one of course)..."
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Spoiler: you don't scan the wiring of the human brain, you make a probabilistic estimation of what it could be
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📢🔔 New preprint!! 🔔📢
Beyond pairwise network similarity: exploring Mediation and Suppression between networks
with
@wetuad
and
@SebinoStram
thread follows 👇
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An organisation moving the annual conference online and free of charge deserves some love. Well done and thanks
Registration is still open for the 29th Annual Computational Neuroscience Meeting! This year's conference will be conducted entirely online and free of charge. Register Here:
#CNS2020Online
@neuromatch
@OHBM
#neuroscience
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Measuring High-Order Interactions in Rhythmic Processes through Multivariate Spectral Information Decomposition
our latest collaboration, led by Y. Antonacci and Luca Faes
code
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If you take random noise, correlate, and threshold, you get a small world network. Is that efficient?
Efficient small-world and scale-free functional brain networks at rest using k-nearest neighbors thresholding
#biorxiv_neursci
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Overheard at
#OHBM2019
@DaniSBassett
is the new Karl Friston.
I take it as a good thing, and glad to have both!
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#network
#neuroscience
at
@ohbm
. Here the updated graph for this year, with almost twice as many abstracts as last year. The crazy increase of last year seems confirmed.
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Hemodynamic response function (HRF) variability confounds resting‐state fMRI functional connectivity
based on the code
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Are you into information theory?
Are you into psychometrics?
Unlike a XOR gate you can be both (even better!). But as a XOR gate this is about higher order interactions (in psychometrics).
Come do a PhD at
@ugent
with me, Yves Rosseel co-pi as bonus !
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Have a PhD and wanna visit our lab in Ghent for 1-3 months? We can apply for our visitors programme funding, please contact me.
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I swear you meant the urban dictionary version of it, so much popular nowadays.
And I think it kinda applies :)
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New high-order preprint!
Disentangling high order effects in the transfer entropy
with Luca Faes,
@_jesusmcortes
,
@SebinoStram
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Hidden Markov and semi-Markov models: When and why are these models useful for classifying states in time series data?
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-calls correlation FC
-sells FC as biological property
-is surprised that FC is equivalent to a correlation
-uses this discovery as validation of FC as statistical object
Genius
🚨 Excited to share this new preprint | The dual interpretation of edge time series: Time-varying connectivity versus statistical interaction | a fun collaboration with
@HailyMerritt
and
@mandyfmejia
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First guess the answer then read
A Quick and Easy Way to Estimate Entropy and Mutual Information for Neuroscience
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📢🔔
#network
#neuroscience
🕸️🧠 people!🔔📢
Thanks to
@katjaQheuer
we have an amazing website
for our Network Neuroscience online satellite
@Networks2021
You will find all relevant info there, including the call for contributions (submit soon!).
1/3
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Huge congratulations to
@HanneloreAerts
who is a Doctor in Psychology since yesterday, and has landed a great job in research outside academia already!
Thanks so much, and good luck!
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Yes, the methods section was really too big. And of course breakthrough experiments need less of that, and less scrutiny than regular stuff. 😁
Our new article type, Brief Reports, is designed for single-experiment results with potentially transformative findings. Brief Reports are short, 2,000-word articles that receive rapid review, so your work can be published in as little as 3 months.
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New paper out!
I had a lot of fun and learnt a lot collaborating with an amazing team of colleagues lead by Giulio during my sabbatical at
@SanCamilloIRCCS
.
Enjoy the thread below, and the fully reproducible pipeline!
And if your reaction is "whocares", then you're right!
I am pleased to share our new method - WHOCARES: data-driven WHOle-brain CArdiac signal REgression from highly accelerated simultaneous multi-Slice fMRI acquisitions on arXiv
#fMRI
#MRI
#Neuroscience
#imaging
#physiological_noise
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An
#openscience
#peerreview
experiment.
I made a spreadsheet
Insert your data
Then let's assign each other preprints to review. We commit to accept it (excluding COI), not later than we would accept the next invitation from a journal.
Please RT
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New preprint!
Quantifying dynamical high-order interdependencies from the O-information: an application to neural spiking dynamics
A thread 👇 1/n
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The Network Neuroscience satellite
@netsci2024
is happening again this year!
Submit your abstract before March 22 at
Please RT
@misicbata
@spornslab
@richardfbetzel
@towlsonek
@F_DeVicoFallani
@Enri_amico
@lordgrilo
@Kaysonfakhar
3
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Sample of
@netneurosci
editors and authors at booth 25
#ohbm2019
@AFornito
@KeilholzShella
@misicbata
@richardfbetzel
@esfinn
@nbielczyk_neuro
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"problems with Granger causality" PNAS paper: we show that with proper formulation, bias and variance are not so bad
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Join us for the BrainHack Networks in Paris, June 9-10, just before
@netsci2018
!
Hoping for interdisciplinary projects!
@F_DeVicoFallani
@j3r3mg
@MichelTdS
@R3RT0
@katjaQheuer
@nbielczyk_neuro
@KatolaZ
@manlius84
@Enri_amico
@jgonicor
@richardfbetzel
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Jessica Schrouff is curating a list of women in neuroscience. Please register and diffuse.
Other lists :
MEG/EEG
System Neuroscientists
ML
cc
@BiasWatchNeuro
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Back at my parents' house, I found my master thesis.
Hardcover in blue faux ass skin.
An irrelevant mini thread on other aspects follows
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The journal version of our paper "An information-theoretic approach to build hypergraphs in psychometrics"
I'm super happy of the journey so far, and discussing with several reviewers greatly helped us.
1/
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Is 2024.
How are people applying "efficiency", "shortest path", and "modularity" (this latter deserves a different discussion) to "networks" obtained from thresholded full adjacency matrices of statistical dependencies motivating their choices and interpreting their results?
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@simongerman600
is there already a
#badgeographyjoke
or a
@TerribleMaps
showing how the Black Sea is an upside down mirrored Ukraine?
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We have a new paper out!
Gradients of O-information: low-order descriptors of high-order dependencies
@_fernando_rosas
@SebinoStram
@TomasScagliar
, Davide Nuzzi, Yuri Antonacci, Luca Faes.
Short thread below
👇👇
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New paper!
Frontal effective connectivity increases with task demands and time on task: a DCM study on electrocorticogram in macaque monkeys
by
@katwegner
, in collaboration with
@crewilson
, E. Procyk,
@Frederikvds_
, K. Friston,
@dimitrispp
1
13
47
After some time spent trying to do fancy 3D brain visualization for an electronic poster..
5
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Our latest is out! Quantifying errors in directed dynamical influences due to forward conduction even with perfect source reconstruction
With
@Frederikvds_
@astolfil_bioing
@sparsity
Feedback welcome, as usual!
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24
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Are you considering applying for a
Marie Skłodowska Curie (MSCA) research fellowship?
Consider
@ugent
as an excellent host, and if you want to work on computational neuroscience, brain connectivity, networks, or complex systems, get in touch with me.
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Predicting functional networks from region connectivity profiles in task-based versus resting-state fMRI data
@PLOSONE
by Javier Rasero, with
@HanneloreAerts
, Marlis Ontivero,
@_jesusmcortes
,
@SebinoStram
HCP data, code here
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I'm happy to introduce you our work (
@wetuad
@SebinoStram
) aimed to disclose mediation- and suppression-like effects in multiplex networks, out today in
@CommsPhys
:
Beyond pairwise network similarity: exploring mediation and suppression between networks
👇
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Cool, so what is the bad news? The one of a few months ago according to which BOLD comes from astrocytes and not neurons, or this one ? 😁
Astrocyte activation evokes BOLD fMRI responses that are independent of neuronal activity
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So much drama here, I am almost considering to submit, even if I am in my "relaxed session"
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playing with the amazing
@bradleyvoytek
@scottrcole
@_rdgao
@Tomdonoghue
lab oscillation tools.
It simply works too well, to the extent that I don't even have the chance to stop and ponder, I'm just like: "ok results are here, let's write the paper"
thanks!
#SfN18
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Same project, by me (from a faculty of Psychology, Data Analysis dept)
-last year, psych panel: the applicant uses psychology as an excuse for his *datamanagement* agenda
-this year, interdisciplinary panel: the project would need an expert in data analysis
👌
@fwoVlaanderen
3
1
43
The symposium "what can FC tell us about the mechanisms of brain function?" is about to start in room 324-326. Join me,
@atypical_me
, and the speakers for a hopefully enlightening session
#OHBM2018
2
4
41
Looking forward to this!
Thanks for the invitation
Join us, Friday, November 20th, 2020, at 11 AM EST for another amazing
#BSItalks
"Connectivity through dynamics: surprise and variance reduction" presented by Dr. Daniele Marinazzo (
@dan_marinazzo
)
Register and join the BSI via
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@roseveleth
Human effects on climate? 😆
You might also check this out "sleeping beauties of science".
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Most of these "graph" metrics are ill defined for adjacency matrices derived from time series to start with.
Individual variation in fMRI-derived brain networks is reproduced in a model using only the smoothness (autocorrelation) of the fMRI timeseries
New from
@johndmurray
and colleagues
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automatically extracting references from pdf and build a .bib file, cool! . + paper edited in no time with
@overleaf
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The complex systems version
Where are all the neural manifold folks at? I was expecting major disagreement with our paper on dimensionality reduction not revealing deep insights.
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Moving time.. Old tissue posters make a nice table cloth
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It was a great experience! Thanks for the opportunity to meet so many amazing students and colleagues!
2 years ago lectures in Nepal kicked-off Lecturers without borders network
@NetworkScied
. Great to hear that now
@dan_marinazzo
gave lectures there and visited our colleagues in Kathmandu
🕸️
#networks
#withoutborders
Tnx for all who made this happen!!💥
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1. that is not a brain, is a scalp
2. anything "stimulates" the brain, one way or the other
3. statistical thresholding is arbitrary
4. is it good to have a red patch of activity instead of an orange one?
@neurobollocks
Brain activity after a 20 minute walk - Apple CEO Steve Jobs, a famous lover of the walking meetings
#brainstimulation
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Happy to compete with
@pierre_bellec
for the
@OHBM
Education Chair. It will be fun regardless of the outcome!
Check your email or vote here if you are a member
#ohbm2019
1
10
39
Our latest: Variability and reliability of effective connectivity within the core default mode network: A longitudinal spectral DCM study. By
@Hannes_Almgren
, with
@adeelrazi
,
@Frederikvds_
, Kühn, Friston
longitudinal data
@russpoldrack
,
@club_scan
1
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The sunset was weird yesterday.. Almost a straight line separating the greyscale and the color version
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Cool. I finally managed to migrate the code developed in the lab to github!
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