Lack of post exercise depression of corticospinal excitability in patients with Parkinson's disease. Research Authors Khedr EM1, Galal O, Said A, Abd-elsameea M, Rothwell JC Research Date Mon, 1 Jan 2007 - 12:00 Research Department Department of Medical Physiology Research Journal Eur J Neurol Research Member Omayma Jalal Ahmed Mooty Research Year 2007