Nonepileptic Seizures
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
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…
Disturbances of Mood, Affect, and Emotion
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
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
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…
Apathy and Related Disorders of Diminished Motivation
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….
Clinical Outcome Following Surgical Treatment of Spondylolysis
Clinical Outcome Following Surgical Treatment of Spondylolysis Brian J. C. Freeman The pars interarticularis defect is unique to human beings, who by virtue of being bipedal transfer considerable weight through…
The Problems of Instrumentation in Poorer Countries
The Problems of Instrumentation in Poorer Countries Helton Defino The implants used for surgeries of the spine are the segment of highest growth on the orthopedic market. This growth is…
