Mallar Chakravarty
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mallarchak.bsky.social
Mallar Chakravarty
@mallarchak.bsky.social
Computational Neuroanatomy; Director of Cerebral Imaging Centre and Neuroinformatics @douglasresearch.bsky.social; Program Chair #OHBM2023; Associate EIC @apertureohbm.bsky.social

CoBrA: cobralab.ca
Reposted by Mallar Chakravarty
Totzek et al. introduce a multisite, open study protocol to examine hippocampal connectivity, memory, and functional outcomes in schizophrenia: doi.org/10.52294/001...

@janatotzek.bsky.social @ohbmossig.bsky.social @ohbmofficial.bsky.social

#OpenDatasets #SpecialIssue
January 30, 2026 at 2:47 PM
More amazing stuff in @apertureohbm.bsky.social !!
Brook and Salo et al. describe the study protocol and initial release of an open dataset of behavioral and neuroimaging measures in youth: doi.org/10.52294/001...

@juliettebrook.bsky.social @tsalo.bsky.social @ted-satterthwaite.bsky.social @ohbmossig.bsky.social

#OpenDatasets #SpecialIssue
January 26, 2026 at 9:17 PM
Reposted by Mallar Chakravarty
Renauld et al. present scilpy, an open-source #Python library for diffusion magnetic resonance imaging and tractography: doi.org/10.52294/001...

@ohbmofficial.bsky.social
January 8, 2026 at 8:21 PM
Reposted by Mallar Chakravarty
Addis et al. report on data sharing trends and participant consent rates at a Canadian neuroscience institute: doi.org/10.52294/001...

@ohbmofficial.bsky.social @ohbmossig.bsky.social

#OpenDatasets #SpecialIssue
January 16, 2026 at 10:07 PM
Reposted by Mallar Chakravarty
Brandmeyer et al. present a systematic evaluation of NEMAR, a key platform for sharing and reusing EEG, MEG, and iEEG datasets: doi.org/10.52294/001...

@ohbmofficial.bsky.social @ohbmossig.bsky.social

#OpenDatasets #SpecialIssue
January 20, 2026 at 9:28 PM
Reposted by Mallar Chakravarty
Gonadal and sex chromosomal contributions to sex differences in mammalian brain organization www.biorxiv.org/content/10.6... - really nice work from Armin Raznahan @bogglerapture.bsky.social and colleagues
January 11, 2026 at 8:54 AM
@apertureohbm.bsky.social publishes an annual set of commentaries from @ohbmofficial.bsky.social leaders (podium presenters, award winners, etc) on the "State of the Brain". This is our (mostly @fmri-today.bsky.social 's) - review of "State of the Brain 2024"

apertureneuro.org/article/1541...
A new annual Aperture Neuro special issue: The State of the Brain | Published in Aperture Neuro
By Peter A. Bandettini, M. Mallar Chakravarty. The annual “The State of the Brain” special issue comprises perspectives from the leaders, award winners, and keynote speakers from the annual OHBM meet...
apertureneuro.org
January 6, 2026 at 3:56 PM
Reposted by Mallar Chakravarty
Happy to share another important piece of the puzzle as we try to figure out the chicken-or-egg question of cannabis use in schizophrenia: Investigating the polygenic relationship between heavy cannabis use and schizophrenia in the All of Us Research Program www.cambridge.org/core/journal...
Investigating the polygenic relationship between heavy cannabis use and schizophrenia in the All of Us Research Program | Psychological Medicine | Cambridge Core
Investigating the polygenic relationship between heavy cannabis use and schizophrenia in the All of Us Research Program - Volume 55
www.cambridge.org
December 23, 2025 at 7:27 PM
I always wonder what it takes to write something like this

youtu.be/Gr53tJbOe_o?...
Time - Tom Waits - with subtitle - Rain Dogs 1985
YouTube video by Rainsch 75
youtu.be
December 22, 2025 at 12:49 PM
Reposted by Mallar Chakravarty
📣 2025 Leo and Rachel Hendlisz Award competition
Congratulations to the recipients!

Learn more here : douglas.research.mcgill.ca/news/2025-le...

***
📣 Concours du prix Leo et Rachel Hendlisz 2025
Félicitations aux récipiendaires!

Plus d'informations: douglas.research.mcgill.ca/fr/news/conc...
December 10, 2025 at 1:02 PM
Reposted by Mallar Chakravarty
As we chase whole-brain signatures of cognition with fMRI, this fascinating perspective argues that cognitive signals are broadly distributed...but far from everywhere! For those of us using whole-brain neuroimaging lots to think about..
👇
www.nature.com/articles/s41...
How distributed is the brain-wide network that is recruited for cognition? - Nature Reviews Neuroscience
Both localized and distributed views on the functional organization of the brain have been put forward. In this Perspective, Rosen and Freedman examine the degree to which these two views account for ...
www.nature.com
December 5, 2025 at 12:51 PM
This is such an impressive review on the impact of prenatal cannabis exposure. Big big shout out to @haleyv.bsky.social‬ for her impressive leadership here! She herded many cats interested in cannabinoids.
November 26, 2025 at 5:10 PM
Sometimes there are some great lines when reading science papers:

"The journey began in the 1980s with research on Gila
monster venom ... "
November 20, 2025 at 3:50 PM
Reposted by Mallar Chakravarty
It’s officially out! Check out the manuscript for more on the effect size web app, led by the truly indefatigable @halleeshearer.bsky.social and featuring so many contributions from this team, esp MINDS Lab via @dscheinost.bsky.social
Excited to share our manuscript about BrainEffeX, a tool for exploring fMRI effect sizes. Includes why we made it, how to use it + contribute, and how we made it.

@sneuroble.bsky.social @psychonetrics.bsky.social
@alexkfischbach.bsky.social
@nichols.bsky.social
@dscheinost.bsky.social & MINDS Lab
November 12, 2025 at 7:59 PM
Great new stuff in @apertureohbm.bsky.social here 👇
Excited to share our manuscript about BrainEffeX, a tool for exploring fMRI effect sizes. Includes why we made it, how to use it + contribute, and how we made it.

@sneuroble.bsky.social @psychonetrics.bsky.social
@alexkfischbach.bsky.social
@nichols.bsky.social
@dscheinost.bsky.social & MINDS Lab
November 12, 2025 at 8:07 PM
Reposted by Mallar Chakravarty
Coverage of our recent work in Vice Magazine: www.vice.com/en/article/y...
Your Genetics Might Make You More Likely to Smoke Weed
A new study suggests that your DNA might be nudging you toward cannabis. Welp, smoke 'em if you got 'em...
www.vice.com
October 26, 2025 at 6:28 PM
Reposted by Mallar Chakravarty
Was great to attend the @gairdnerawards.bsky.social Gala representing @westernu.ca @schulichmeddent.bsky.social last night! Great to celebrate basic science and meet old friends and make new ones!
October 24, 2025 at 5:06 PM
Reposted by Mallar Chakravarty
Lefort-Besnard and Pron et al. present a survey and review on current infrastructures for sharing human neuroimaging data in the EU: doi.org/10.52294/001...

@cmaumet.bsky.social @ohbmossig.bsky.social
#OpenDatasets #SpecialIssue
October 16, 2025 at 5:28 PM
So excited for my friend, colleague, and all-around superstar of a human-being.

Keep your eyes 👀 open.

There's clearly so much awesome that will spring forward from this move.
October 6, 2025 at 8:30 PM
Reposted by Mallar Chakravarty
Exciting news for #drosophila #connectomics and #neuroscience enthusiasts: the Drosophila male central nervous system connectome is now live for exploration. Find out more at the landing page hosted by our Janelia FlyEM collaborators www.janelia.org/project-team....
Male CNS Connectome
A team of researchers has unveiled the complete connectome of a male fruit fly central nervous system —a seamless map of all the neurons in the brain and nerve cord of a single male fruit fly and the ...
www.janelia.org
October 5, 2025 at 3:40 PM
Check out this great summary of our recent paper on the impact of exposure to #THC during gestation.

Thanks @douglasresearch.bsky.social !!

Orig paper here:

www.nature.com/articles/s41...
October 2, 2025 at 6:07 PM
Reposted by Mallar Chakravarty
BREAKING SCIENCE
Prenatal cannabis exposure and brain development : a new study from the Chakravarty Lab.

➡️ Swipe through the carousel to discover the study in a simple and accessible way!

Learn more : douglas.research.mcgill.ca/news/chakrav...
October 2, 2025 at 6:02 PM
Excited to share our new publication on the impact of #THC exposure during gestation on brain development. This stunning work, led by Lani Cupo, describes several years of datas collection and examines brain development and maturation using MRI and behaviour

www.nature.com/articles/s41...

👇🏾👇🏾👇🏾👇🏾
Impact of prenatal delta-9-tetrahydrocannabinol exposure on mouse brain development: a fetal-to-adulthood magnetic resonance imaging study - Molecular Psychiatry
Molecular Psychiatry - Impact of prenatal delta-9-tetrahydrocannabinol exposure on mouse brain development: a fetal-to-adulthood magnetic resonance imaging study
www.nature.com
October 2, 2025 at 5:57 PM
Reposted by Mallar Chakravarty
Impact of prenatal delta-9-tetrahydrocannabinol exposure on mouse brain development: a fetal-to-adulthood magnetic resonance imaging study

Lani Cupo et al. 🧪

www.nature.com/articles/s41...
Impact of prenatal delta-9-tetrahydrocannabinol exposure on mouse brain development: a fetal-to-adulthood magnetic resonance imaging study - Molecular Psychiatry
Molecular Psychiatry - Impact of prenatal delta-9-tetrahydrocannabinol exposure on mouse brain development: a fetal-to-adulthood magnetic resonance imaging study
www.nature.com
September 22, 2025 at 5:17 PM