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Updated news page to include the Meschke preprint.
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jackgallant committed Aug 25, 2023
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<div class="container" style="margin-bottom: 20px">
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<img src="/images/papers/Meschke.etal.preprint.png" alt="Meschke Biorxiv preprint" class="img-fluid">
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New preprint!
<a href="/papers/Meschke.etal.preprint.pdf">
Model connectivity: leveraging the power of encoding models to overcome
the limitations of functional connectivity
(Meschke et al., in review)</a>.
Functional connectivity (FC) is the most popular method for recovering
functional networks of brain areas with fMRI. However, because FC is
defined as temporal correlations in brain activity, FC networks are
inevitably confounded by noise and their function cannot be determined
directly from FC. To overcome these limitations, we have developed model
connectivity (MC). MC is defined as similarities in encoding model weights,
which quantify reliable functional activity in terms of interpretable
stimulus- or task-related features. In this paper we compare these two
methods directly in a language comprehension dataset. We confirm the
confounds of FC, and we show that MC does not suffer from these confounds.
MC recovers more spatially localized networks and it reveals their
functional assignment. MC is powerful tool for recovering the functional
networks that support complex cognitive processes.
</div>
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