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Topic: clinical populations

Seminar
2 seminars

In Brain Imaging and Neuro-Informatics

Seminar · Neuro-Informatics

NII Methods (journal club): NeuroQuery, comprehensive meta-analysis of human brain mapping

Andy Jahn · fMRI Lab, University of Michigan

Fri, Sep 1, 2023 · 03:00 UTC

We will discuss this paper on Neuroquery, a relatively new web-based meta-analysis tool: https://elifesciences.org/articles/53385.pdf. This is different from Neurosynth in that it generates meta-analysis maps using predictive modeling from the string of text provided at the prompt, instead of performing inferential statistics to calculate the overlap of activation from different studies. This allows the user to generate predictive maps for more nuanced cognitive processes - especially for clinical populations which may be underrepresented in the literature compared to controls - and can be use

Seminar · Brain Imaging

From 1D to 5D: Data-driven Discovery of Whole-brain Dynamic Connectivity in fMRI Data

Vince Calhoun · Founding Director, Tri-institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS), Georgia State, Georgia Tech, Emory, Atlanta, GA

Thu, May 20, 2021 · 01:00 UTC

The analysis of functional magnetic resonance imaging (fMRI) data can greatly benefit from flexible analytic approaches. In particular, the advent of data-driven approaches to identify whole-brain time-varying connectivity and activity has revealed a number of interesting relevant variation in the data which, when ignored, can provide misleading information. In this lecture I will provide a comparative introduction of a range of data-driven approaches to estimating time-varying connectivity. I will also present detailed examples where studies of both brain health and disorder have been advance