1) CIDP diagnostic pit-falls and perception of treatment benefits and 2) Topic of the month: Plenary sessions AAN Meeting April 2015. 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. Jeffrey Allen about his paper on chronic inflammatory demyelinating polyneuropathy diagnostic pit-falls and perception of treatment benefits. Dr. Adam Numis is reading our e-Pearl of the week about exam findings in hemifacial spasms. In the next part of the podcast Dr. Alberto Espay interviews Dr. Howard Weiner about his Frontiers in Neuroscience Lecture at the AAN Meeting about the topic of immune mechanisms in neurologic diseases. The participants had nothing to disclose except Drs. Mauermann, Allen, Numis, Espay and Weiner.Dr. Mauermann receives research support from ISIS Pharmaceuticals, Inc., Alnylam Pharmaceuticals, Inc. and the NIH.Dr. Allen is a consultant for AxelaCare and CSL Behring.Dr. Numis serves on the editorial team for the Neurology® Resident and Fellow Section. Dr. Espay serves as an Associate Editor of Movement Disorders, Frontiers in Movement Disorders and Journal of Clinical Movement Disorders; serves as an editorial board member of Parkinsonism and Related Disorders and The European Neurological Journal; receives royalties for publications of books from Lippincott, Williams & Wilkins and from Cambridge University Press; serves on the scientific advisory board for Solvay Pharmaceuticals, Inc. (now Abbvie), Chelsea Therapeutics, Teva Pharmaceutical Industries Ltd., Impax Pharmaceuticals, Merz, Pfizer Inc, Solstice Neurosciences, LLC, Eli Lilly and Company, US WorldMeds; is a consultant for Chelsea Therapeutics, Solvay Pharmaceuticals, Inc. (now Abbvie); serves on the speakers' bureaus of UCB, Teva Pharmaceutical Industries Ltd., American Academy of Neurology, Movement Disorders Society; receives research support from CleveMed/Great Lakes Neurotechnologies, Michael J. Fox Foundation and the NIH.Dr. Weiner is a consultant for Biogen Idec, Novartis, Merck Serono, Sanofi-aventis, Teva Pharmaceutical Industries Ltd. and Therapix Biosciences Ltd.; served on the advisory board for The Guthy Jackson Charitable Foundation, Teva Pharmaceutical Industries Ltd., Biogen Idec, Novartis, Sanofi-aventis; receives research support from EMD, Merck Serono, National Multiple Sclerosis Society, and the NIH.