TY - CHAP M1 - Book, Section TI - Motor Neuron Diseases A1 - Shneider, Neil A. A1 - Hirano, Michio A2 - Brust, John C.M. PY - 2019 T2 - CURRENT Diagnosis & Treatment: Neurology, 3e AB - ESSENTIALS OF DIAGNOSISMuscle weakness and atrophyAbsence of overt cognitive and sensory changesAltered tendon reflexes—hyperactive if upper motor neurons (UMNs) are affected and either hypoactive or absent if lower motor neurons (LMNs) are involvedBabinski sign (if UMN is involved) SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - neurology.mhmedical.com/content.aspx?aid=1159971054 ER -