%K Functional magnetic resonance imaging %L eprints2912 %D 2012 %B Proceedings of the 18th Annual Meeting of the Organization for Human Brain Mapping %I Organization for Human Brain Mapping %A Emiliano Ricciardi %A Giacomo Handjaras %A Giulio Bernardi %A Pietro Pietrini %A Maura L. Furey %J Neuropharmacology %P 305 - 313 %C Beijing, China %V 64 %T Cholinergic enhancement reduces functional connectivity and BOLD variability in visual extrastriate cortex during selective attention