Chapter 15

Neurocognitive Disorders

Set E

Holistic Rehabilitation

Treatment methods for neurological disorders which attempt to address multiple aspects of dysfunction.


The injury caused when the blood flow to the brain is impeded in some way, resulting in damage to the brain tissue fed by that blood flow.

Huntington's Disease

An inherited, degenerative disorder of the central nervous system, caused by a dominant gene.

Major Neurocognitive Disorder

Conditions where there is evidence of a significant decline in performance across one or more cognitive domains, such as complex attention, executive functioning, learning and memory, language, perceptual-motor, or social cognition. Major NCDs reflect a substantial impairment.

Mild Neurocognitive Disorder

DSM-5 has introduced disorder categories that are designed to identify populations that are at risk for future mental health problems, and these include Mild Neurocognitive Disorder, which diagnoses cognitive decline in the elderly.

Halstead-Reitan Neuro-psychological Test Battery

A common neuropsychological test used in the USA, compiled to evaluate brain and nervous system functioning across a fixed set of eight tests.


A natural amino acid that is converted by the brain into dopamine and used in the treatment of Parkinson’s disease.

Lewy Bodies

Abnormal protein deposits that disrupt the brain’s normal functioning.