Plasmapheresis in neurolgic disorders: guideline update and 2) Topic of the month: Interviews with Dr. Oliver Sacks. This podcast for the Neurology Journal begins and closes with Dr. Robert Gross, Editor-in-Chief, briefly discussing highlighted articles from the print issue of Neurology. In the second segment Dr. Michelle Mauermann interviews Dr. Irene Cortese about the evidence-based update on plasmapheresis in neurologic disorders. In the next segment, Dr. Jennifer Fugate is reading our e-Pearl of the week about triple-a-sign in Lambert Eaton syndrome. In the next part of the podcast Dr. Ted Burns interviews Dr. Oliver Sacks about posterior cortical atrophy and visual agnosias for our Lesson of the Week. Over the next subsequent two weeks, we will continue to discuss other interesting topics with Dr. Oliver Sacks. The participants had nothing to disclose except Drs. Fugate and Burns.Dr. Burns receives a stipend as Podcast Editor for Neurology®, and performs EMG studies in his neuromuscular practice (30% effort).Dr. Fugate serves on the editorial team for the Neurology® Resident and Fellow Section.