TY - CHAP M1 - Book, Section TI - Overview A1 - Brust, John C. M. PY - 1 T2 - Practice of Neural Science: A Case-Based Approach AB - The human brain is the most complicated biological system; Ramón y Cajal referred to it as the “masterpiece of life.” Not surprisingly, neurological disease produces very diverse symptoms and signs. (Symptoms are what a patient experiences; signs are what an examiner observes.) To assess a patient’s “chief complaint,” a clinician elicits a neurological history and performs a neurological examination addressing three basic questions: (1) Do the symptoms and signs signify neurological disease or injury? (2) What part of the nervous system is affected? (3) What is the disease process? SN - PB - CY - New York, NY Y2 - 2024/03/28 UR - neurology.mhmedical.com/content.aspx?aid=1180668815 ER -