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singlesp authored Dec 17, 2024
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Expand Up @@ -38,7 +38,7 @@ <h2 class="h2-spacing">Postdoctoral Fellow in Neuroinformatics</h2>
<h1>Research</h1>
<h2>Publications</h2>
<section class="publication">
<p>[6] A. I. Luppi, <b>S. P. Singleton</b>, J. Y. Hansen, K. W. Jamison, D. Bzdok, A. Kuceyeski, R. F. Betzel, B. Misic. (2023). "Contributions of network structure, chemoarchitecture and diagnostic categories to transitions between cognitive topographies”. <em>Nature Biomedical Engineering</em>, DOI: <a href="https://www.nature.com/articles/s41551-024-01242-2" target="_blank">10.1038/s41551-024-01242-2</a>. Open Access.</p>
<p>[6] A. I. Luppi, <b>S. P. Singleton</b>, J. Y. Hansen, K. W. Jamison, D. Bzdok, A. Kuceyeski, R. F. Betzel, B. Misic. (2024). "Contributions of network structure, chemoarchitecture and diagnostic categories to transitions between cognitive topographies”. <em>Nature Biomedical Engineering</em>, DOI: <a href="https://www.nature.com/articles/s41551-024-01242-2" target="_blank">10.1038/s41551-024-01242-2</a>. Open Access.</p>
<figure>
<img src="images/biorxiv2023a.jpg" alt="abstract image">
<figcaption><b>Network control with cognitive topographies.</b> <b>(a)</b> Functional brain activity (coloured nodes are active, grey nodes are inactive) evolves through time over a fixed network structure (displayed below the brains). From a given starting configuration of activity (green), some alternative configurations are relatively easy to reach in the space of possible configurations (valley, in blue), whereas others are relatively difficult to achieve (peak, in yellow). To reach a desired target configuration of activity, input energy (represented by the lightning bolt icons) can be injected locally into the system, and this energy will spread to the rest of the system based on its network organisation. <b>(b)</b> We define states as 123 meta-analytic activation maps from the NeuroSynth database. We then use network control theory to quantify the cost of transitioning between these cognitive topographies. <b>(c)</b> Systematic quantification of transition cost between each pair of cognitive topographies results in a look-up table mapping the energy required for each transition.</figcaption>
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