Major and Mild Neurocognitive Disorders
Neurocognitive Disorders develop much later than Intellectual disability and other learning disorders, which are believed to be present at birth. When the brain is damaged, the effects are irreversible, accumulating until learning, memory or consciousness are obviously impaired.
Neurocognitive disorder is a progressive and degenerative condition marked by gradual deterioration of a range of Cognitive abilities including memory, language, planning, organizing, sequencing and abstracting information.
Neurocognitive Disorders are further reviewed in two classes: Dilirium and Major or Mild Neurocognitive Disorder
About Major and Mild Neurocognitive Disorders:
Concern of the individual, a Knowledgeable informant, or the clinician that there has been a significant decline in Cognitive function or a mild decline in cognitive function and a substantial or a modest impairment in cognitive performance, preferably documented by standardized neuropsychological testing or, in its absence, another quantified clinical assessment are Major and Mild Neurocognitive disorders.
Gradual deterioration of brain functioning that affects judgment, memory, language, and other advanced cognitive processes. It is caused by medical condition or drug abuse. Some forms are irreversible; some are resolved by treatment of primary condition.
David H. Barlow, BOSTON UNIVERSITY
V. Mark Durand, UNIVERSITY OF SOUTH FLORIDA- ST. PETERSBERG
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