1) Depressive symptoms and white matter dysfunction in retired NFL players with concussion history and 2) Topic of the month: AAN Plenary Sessions. 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. Christopher Giza interviews Dr. John Hart about his paper on depressive symptoms and white matter dysfunction in retired NFL players. Dr. Adam Numis is reading our e-Pearl of the week about ice-cream headache. In the next part of the podcast Dr. Alberto Espay interviews Drs. Ron Postuma and Brad Boeve about clinicopathologic correlations in 172 cases of REM sleep behavior disorder. The participants had nothing to disclose except Drs. Giza, Hart, Numis, Espay, Postuma and Boeve.Dr. Giza serves on the data safety monitoring board for LAbiomed Institute at Harbor-UCLA Medical Center; is a consult for NHL Player's Association; serves on the speakers' bureau for the Medical Education Speakers Network; receives royalties from the publication of the book Neurological Differential Diagnosis: A prioritized approach; received funding for travel to Major League Soccer Concussion Committee meeting, California State Athletic Commission Meetings and NCAA meeting; receives research funding from NIH, UCLA faculty grants, Thrasher Research Foundation, NFL Charities, Today's and Tomorrow's Children Fund, Richie's Fund and NCAA, and gave expert testimony on several mediocolegal cases.Dr. Hart serves as an editorial board member of Neurocase, Journal of Innovative Optical Health, World Journals of Radiology and Psychiatry, Frontiers in Neuropsychiatric Imaging and Stimulation; receives royalties from the publication of the book Neural Basis of Semantic Memory; receives research support from the Department of Defense, Alzheimer's Association, RGK Foundation and NIH.Dr. Numis serves on the editorial team for the Neurology® Resident and Fellow Section. Dr. Espay is supported by the K23 career development award (NIMH, 1K23MH092735); has received grant support from CleveMed/Great Lakes Neurotechnologies, Davis Phinney Foundation, and Michael J Fox Foundation; is a consultant for Chelsea Therapeutics; serves on the scientific advisory boards for Solvay Pharmaceuticals, Inc., Abbott (now Abbie), Chelsea Therapeutics, TEVA Pharmaceutical Industries Ltd, Impax Pharmaceuticals, Merz Pharmaceuticals, LLC, Solstice Neurosciences, and Eli Lilly and Company, USWorldMeds; serves as Assistant Editor of Movement Disorders and on the editorial boards of The European Neurological Journal and Frontiers in Movement Disorders; serves on the speakers' bureaus of Novartis, UCB, TEVA Pharmaceutical Industries Ltd, American Academy of Neurology, Movement Disorder Society and receives royalties from Lippincott, Williams & Wilkins and Cambridge University Press.Dr. Postuma serves on the scientific advisory board for TEVA Pharmaceutical Industries Ltd; serves as an editorial board member of Movement Disorders Journal and Journal of Caffeine Research; receives honoraria from Allergan, Inc., Novartis, TEVA Pharmaceutical Industries Ltd; receives research support from the Canadian Institute of Health Research, Parkinson Society of Canada, Fonds de Recherche de la Sante Quebec, Weston Foundation and Drummond Foundation.Dr. Boeve has served as an investigator for clinical trials sponsored by Cephalon, Inc., Allon Pharmaceuticals and GE Healthcare; receives royalties from the publication of a book Behavioral Neurology of Dementia; received honoraria from the American Academy of Neurology; serves on the scientific advisory board of the Tau Consortium and receives research support from the National Institute on Aging and the Mangurian Foundation.