Neupsy Key

Nonepileptic Seizures Karen E. Anderson I. Background A. Definition and terminology Nonepileptic seizures (NES) are defined as a conversion disorder manifested by paroxysmal changes in behavior that mimic epileptic seizures…

Psychosis in Neuropsychiatric Disorders Laura A. Flashman Thomas W. McAllister I. Background A. Definitions Psychosis is a term that has been defined in a number of ways, and no definition…

Anxiety Robert G. Robinson Jess G. Fiedorowicz I. Background A. Definitions Anxiety refers to a vague, often unpleasant, emotion associated with a sense of apprehension, arousal, or tension. Karl Jaspers…

Disturbances of Mood, Affect, and Emotion C. Edward Coffey I. Background A. Definitions Mood refers to the feeling state that one is experiencing at a particular moment in time, and…

Global Cognitive Impairment: The Dementias Steven A. Rogers Po H. Lu Jeffrey L. Cummings I. Principles of dementia and neuropsychiatric symptoms A. Definitions Dementia syndromes are defined as acquired disorders…

Cognitive Impairment David B. Arciniegas Thomas W. McAllister Daniel I. Kaufer I. Background A. Definitions Arousal—refers to a state of wakefulness that underlies the capacity to respond appropriately to environmental…

Delirium Walter Knysz III C. Edward Coffey I. Background A. Definitions Delirium refers to a clinical syndrome characterized by a disturbance of arousal, attention, perception, and other cognitive domains, which…

Apathy and Related Disorders of Diminished Motivation James D. Duffy Background Historical Context During the eighteenth and nineteenth centuries, disorders of motivation represented the theoretical foundation for most psychiatric classifications….