RT Book, Section A1 Brust, John C. M. SR Print(0) ID 1180668815 T1 Overview T2 Practice of Neural Science: A Case-Based Approach YR 1 FD 1 PB PP New York, NY SN 9781264258956 LK neurology.mhmedical.com/content.aspx?aid=1180668815 RD 2024/10/13 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?