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#fmri

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medicalxpress.com/news/2025-02

…people have different brain structures that never quite match when aligned to a standardized #brainatlas…different input dimensions are required for each subject.

…neuroscience-informed activity mapping within the #fMRI encoder…allows the system to accommodate these varying input shapes across subjects.

By separating a voxel's functional information from its raw fMRI value, the model leverages pre-existing knowledge from #neuroscience #research

Medical Xpress · Direct translation of brain imaging to text with MindLLMBy Justin Jackson

Harnessing Transformers to Decode Human Brain States: A New Frontier in AI and Neuroscience

Recent research leverages transformer architecture to predict human brain states using fMRI data, showcasing the potential of AI in understanding complex neural dynamics. This innovative approach not ...

news.lavx.hu/article/harnessin

I posted a new introduction to surface #gifti and volume #NIfTI #fMRI data at mvpa.blogspot.com/2025/01/intr.

The material is mostly general, with all examples using #baseR #rstats code; it's accompanied by a major update to my gifti #knitr tutorial.

I hope these will be useful to folks getting started with #neuroimaging datasets, as well as anyone looking for example scripts for reading, plotting, and manipulating (human fMRI) brain data files.

mvpa.blogspot.comintro to working with volume and surface brain dataWhen preparing to update my surface (gifti) tutorial knitr , I realized that some of the confusion I was trying to address wasn't due to the...

Something I've always wondered about #fMRI - how can we interpret the BOLD signal when we don't know if any changes mostly come from inhibitory or excitatory neurons? Or should it just be used to say "region x is doing stuff" without ever knowing what it is doing?

What if inhibitory cells stop firing in a specific area? This should be registered as a "decreased activity" when it might just have allowed its excitatory cells to fire more but you wouldn't see it because inhibitory cells make the bulk of the energy consumption?

#introduction

Hi,

I am a #physicist and #neuroscientist who tries to bring both fields together in #neuroimaging.

I direct the Dept of Neurophysics at the #MPI for Human Cognitive and Brain Sciences (cbs.mpg.de/en). Our main tools are #MRI, #histology and #biophysical #modeling for in-vivo histology (#hMRI) and ultra-high resolution #fMRI.

Excited to see #MastodonScience growing so quickly 😀

This is my personal account and my posts/toots are just my personal views.

www.cbs.mpg.deHomeResearch at the Max Planck Institute for Human Cognitive and Brain Sciences revolves around human cognitive abilities and cerebral processes, with a focus on the neural basis of brain functions like language, emotions and human social behaviour, music and action.

It's time for an #introduction.

In 2019, I changed my suit for a lab coat after 13 years as a #neuromarketing consultant. Since then, I have been studying #biophysics at Humboldt University in #Berlin with the goal of an master's degree in #neuroscience. My brain wants to understand brains. 😅

I am interested in #NMR / #MRI / #fMRI, #CryoElectronMicroscopy, #connectomics, cerebral #organoids, simulation and modeling of processes and networks respectively.