Network-based atrophy modeling in the common epilepsies: A worldwide ENIGMA study



Larivière, Sara, Rodríguez-Cruces, Raúl, Royer, Jessica, Caligiuri, Maria Eugenia, Gambardella, Antonio, Concha, Luis, Keller, Simon S ORCID: 0000-0001-5247-9795, Cendes, Fernando, Yasuda, Clarissa, Bonilha, Leonardo
et al (show 52 more authors) (2020) Network-based atrophy modeling in the common epilepsies: A worldwide ENIGMA study. Science Advances, 6 (47). eabc6457 - eabc6457.

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Abstract

<jats:p>Epilepsy is increasingly conceptualized as a network disorder. In this cross-sectional mega-analysis, we integrated neuroimaging and connectome analysis to identify network associations with atrophy patterns in 1021 adults with epilepsy compared to 1564 healthy controls from 19 international sites. In temporal lobe epilepsy, areas of atrophy colocalized with highly interconnected cortical hub regions, whereas idiopathic generalized epilepsy showed preferential subcortical hub involvement. These morphological abnormalities were anchored to the connectivity profiles of distinct disease epicenters, pointing to temporo-limbic cortices in temporal lobe epilepsy and fronto-central cortices in idiopathic generalized epilepsy. Negative effects of age on atrophy further revealed a strong influence of connectome architecture in temporal lobe, but not idiopathic generalized, epilepsy. Our findings were reproduced across individual sites and single patients and were robust across different analytical methods. Through worldwide collaboration in ENIGMA-Epilepsy, we provided deeper insights into the macroscale features that shape the pathophysiology of common epilepsies.</jats:p>

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 20 Nov 2020 08:37
Last Modified: 16 Jan 2021 01:14
DOI: 10.1126/sciadv.abc6457
URI: https://livrepository.liverpool.ac.uk/id/eprint/3107538