Pravesh Parekh
Postdoctoral researcher | Neuroimaging | Genetics | Machine learning | Psychiatry | Progressively dystopian
- Reposted by Pravesh ParekhFor people using the @ukbiobank.bsky.social UKB RAP cloud system for brain imaging analyses: In order to make RAP much easier to use, we have created a Docker which is easy to install and gives you a graphical desktop, FSLeyes and the HCP wb_view. docs.google.com/document/d/1...
- Reposted by Pravesh ParekhA thread of how to say “nobody asked you” from around the world, starting with this one… A Lithuanian way of telling someone to mind their own business is ne tavo kiaulės, ne tavo pupos. It means “not your pigs, not your beans.”
- Motion Insensitive Resting-State Analysis (MIRA): a new way to perform motion correction that effectively removes the confounding effect of motion on the rsfMRI derived correlation matrices! Meet me at poster F13 and at the flash talk session today at #Flux2025 to find out more about this!
- Reposted by Pravesh ParekhNew paper out 🚨 in BMC Medical Research Methodology We assessed the prevalence of transparency-related practices in epidemiological secondary analyses for the Norwegian mother, father, and child cohort (MoBa). shorturl.at/604hn
- Reposted by Pravesh ParekhThe ABCD Study 6.0 release is finally here! 🧠 Apply for data access here @theabcdstudy.bsky.social www.nbdc-datahub.org
- Motion Insensitive Resting-State Analysis (MIRA): meet me at poster 1595 at #OHBM2025 to discuss a new way of performing motion correction for resting state fMRI that effectively removes the confounding effect of motion on rsfMRI derived correlation matrices!
- Reposted by Pravesh ParekhStoked to be attending #OHBM2025 this week with our UCSD / JCVI team! If you’re here, be sure to stop by my poster to see some cool work from our lab using GAMMs: 📅 W/Th June 25th/26th 🧠 "Nonlinear age trajectories of subcortical microstructural and morphometric changes in the ABCD study"
- Meet me at #OHBM2025 poster 689 today/tomorrow to discuss using Fast and Efficient Mixed-Effects Algorithm (FEMA) for mixed-effects modeling with unstructured covariance and splines, perform longitudinal GWAS, and discover time-dependent genetic effects! www.biorxiv.org/content/10.1...
- Led by the incredible @gauravbhalerao.bsky.social
- New paper in Imaging Neuroscience by Gaurav Bhalerao, Ludovica Griffanti, et al: Automated quality control of T1-weighted brain MRI scans for clinical research datasets: methods comparison and design of a quality prediction classifier doi.org/10.1162/IMAG...
- Reposted by Pravesh ParekhComing June 2025! We are excited to launch the NIH Brain Development Cohorts (NBDC) Data Hub. This new data ecosystem will host & facilitate access to data from the Adolescent Brain Cognitive Development (ABCD) Study & the HEALthy Brain and Child Development (HBCD) Study. 1/13
- Introducing FEMA-Long for high-dimensional large-scale mixed-effects modelling! Includes modelling unstructured covariance, non-linear effects using splines, time-dependent effects with spline interactions, and longitudinal GWAS with time-dependent genetic effects! www.biorxiv.org/content/10.1...
- Massive thank you to my amazing co-authors including @nadineparker.bsky.social @neuromusicnerd.bsky.social @jaholkowskipiotr.bsky.social @cmakowski.bsky.social @nichols.bsky.social and others who are not on BlueSky. Wouldn't have been possible without their help, support, kindness, and patience :)
- FEMA-Long can model unstructured covariance such as time-varying heritability and genetic correlations which are super critical for longitudinal datasets. Here, using the MoBa dataset, we show time-varying random effects for length, weight, and BMI in the first year of life.
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View full threadFEMA-Long is available for use here: github.com/cmig-researc...
- Reposted by Pravesh ParekhFYI, if you want to be prepared to apply for the next ABCD Study data release, prepare for these new NIST security requirements 🧠: @ohbmofficial.bsky.social abcdstudy.org/scientists/d...
- Reposted by Pravesh Parekh#lirpaloof Since it's already 2025-04-01 for most of the world ... a slightly updated version of the `celebrate` package: `remotes::install_github("bbolker/bbmisc/celebrate")`. (Description: Celebrate your successes and mourn your failures.) Now supports `htest` objects!
- Reposted by Pravesh ParekhDid you know that all the fine artisanal memes from my stats lectures are available in the course repo? Reuse and remixing freely encouraged github.com/rmcelreath/s...
- Reposted by Pravesh ParekhDive into stat modeling&applications, relaxing assumptions, predictive accuracy, preserving information, imputation, model validation, Bayesian models, causal specification+many controversial topics: Regression Modeling Strategies course May 15-16, 19-20 hbiostat.org/doc/rms/4day.html #StatsSky
- Reposted by Pravesh ParekhA friend included this anti-acknowledgement section on her PhD thesis. She also added the proposition: “Systematic bullying and undermining of girls and women in STEM starts early on and is the reason why they do not stay in science and related fields.” Absurd we still need to go through this 🧪👩🔬
- Reposted by Pravesh ParekhHappy 30th birthday year to SPM!! 🎈🍰 To get the party started, we are delighted to announce SPM 25.01, a major new version of the open-source neuroimaging software. Read the preprint to discover what's new arxiv.org/pdf/2501.12081 and download SPM for free from Github github.com/spm/spm/rele...
- Reposted by Pravesh ParekhREFUSE. (lexical stress)
- Reposted by Pravesh Parekh
7 steps to junk science that can achieve worldly success statmodeling.stat.columbia.edu/2025/01/17/7... - Reposted by Pravesh Parekh“people won’t take us seriously if we speak plainly about what we’re doing, so we have to smoke and mirror some fake math at them to get them to show us respect”.
- Reposted by Pravesh ParekhWhen I was a young man there were whispered rumors among the elders that they could remember their own elders talking about a time when getting grants had been a means for doing science, rather than vice versa.
- Reposted by Pravesh ParekhAre you an early career researcher at @uio.no? Next Wednesday at 1pm I’ll be running a career development workshop for UiO ECRs, in which I’ll cover how a “start-up of one” mindset can be used for navigating academic careers. For more details ⬇️
- Reposted by Pravesh ParekhYearly reminder that the world will not end if you don’t submit your paper or revision before the holidays. Editors are people too & need a break. The @plosbiology.org team in particular has done outstanding work this year & fully deserves it. We’re mostly off the next 2 weeks. Happy holidays!
- Reposted by Pravesh ParekhNew paper alert! Our paper 'Charting the shared genetic architecture of Alzheimer's disease, cognition, and educational attainment, and associations with brain development' is out in Neurobiology of Disease! @SFFNORMENT www.sciencedirect.com/science/arti...
- Reposted by Pravesh ParekhThe Brain Connectivity Workshop 2025 will be held just before #OHBM2025 on the paradise that is Minjerribah (North Stradbroke Island) a one hour ferry ride from Brisbane Registration will open shortly (cost to be <$600 for travel registration & accomodation) so please plan your flights accordingly
- Reposted by Pravesh ParekhHi all! I'm looking for a short, accessible reading for 1st year UGs that covers: 1) contributors to the replication crisis(e.g., p-hacking, publication bias, researcher degrees of freedom) 2) initiatives to address it (e.g., preregistration, sharing data and code, registered reports). Any tips?
- Reposted by Pravesh ParekhHow long it takes...
- Reposted by Pravesh ParekhVery interesting paper on confidence interval theory and misconceptions #StatsSky #Statistics
- Prob this one doi.org/10.3758/s134...
- Reposted by Pravesh ParekhAbstract Vs. Results
