Abstract #4143

Frequency Dependent Altered Functional Connectivity of Declarative Memory Networks in Patients with Dural Arterio-Venous Fistula

Bejoy Thomas¹, Josline Elsa Joseph¹, Sabarish S Sekar¹, Santhosh Kannath¹, and Ramshekhar N Menon²

¹Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India, ²Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India

Dural Arteriovenous fistula (dAVF) causes cognitive deficits and associated memory impairment. The objective of this study was to understand the frequency dependent correlates of resting state functional connectivity of memory deficit presentations in dAVF. Our results reveal reduced functional connectivity, in a frequency dependent fashion, among hippocampus, parahippocampal cortex and dorsolateral prefrontal cortex, i.e.: regions involved in declarative memory functional processing.

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