RT Book, Section A1 Greenberg, David A. A1 Aminoff, Michael J. A1 Simon, Roger P. SR Print(0) ID 1182389448 T1 Dementia & Memory Disorders T2 Clinical Neurology, 11e YR 2021 FD 2021 PB McGraw-Hill Education PP New York, NY SN 9781260458350 LK neurology.mhmedical.com/content.aspx?aid=1182389448 RD 2024/03/28 AB Dementia is an acquired, diffuse, and usually progressive impairment of the content of consciousness. Dementia differs from other disorders of cognitive function, such as coma (see Chapter 3, Coma) or confusional states (see Chapter 4, Confusional States), in that in dementia, the level of consciousness (wakefulness or arousal) is preserved.