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Homotopic reciprocal functional connectivity between anterior human insulae.

  • Autores: Nuria Lacuey, Bilal Zonjy, Emine S Kahriman, Ahmad Marashly, Jonathan Miller, Samden D Lhatoo, Hans O Lüders
  • Localización: Brain Structure and Function, ISSN 1863-2653, ISSN-e 1863-2661, Vol. 221, Nº. 5, 2016, págs. 2695-2701
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • The aim of this study was to investigate functional connectivity between right and left insulae in the human brain. We studied a patient with implanted depth electrodes for epilepsy surgery evaluation with stereotactically placed symmetric depth electrodes in both insulae. Bipolar 1 Hz electrical stimulation of the right and left posterior short gyri in the anterior insula evoked responses in the contralateral insular structures. These responses showed a latency of 8-24 ms. This report demonstrates for the first time bi-directional homotopic and heterotopic functional connectivity between right and left anterior insulae. The short latency of the evoked responses suggests mono- or oligo-synaptic connections, most likely via the corpus callosum.;


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