Objectives: * First, to determine if patients with a history of AF have acute measurable changes in cognitive functioning while in an episode of AF. * Second, to collect basic insight into what specific physiologic (blood pressure, pulse oximetry, heart rate, temperature) and pharmacologic (antiarrhythmic medications, rate control medications, anticoagulants, antiplatelet medications, etc.) factors minimize the neurological impact on patients while they are in AF. It is hypothesized that when using a tablet-based cognitive testing software - Cambridge Cognition (specifically to assess executive function, learning and working memory: Rapid Visual Information Processing test, Spatial Working Memory/Spatial Span Task tests, One touch Stockings of Cambridge test, Cambridge Gambling Task, Multitasking Test/Intra-Extra Dimensional Set shift tests) - a significant difference will be noted between how the patients perform while in atrial fibrillation compared to the patients' performance while in normal sinus rhythm.
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Difference in Cognitive Score in Atrial Fibrillation compared to Normal Rhythm
Timeframe: While in atrial fibrillation with the intention of regaining normal rhythm either through spontaneous, pharmacologic, direct current cardioversion, atrial fibrillation catheter ablation (PVAI), or Maze procedure.