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A monograph by Eugen Bleuler on dementia praecox (1911). Dementia praecox (meaning a "premature dementia" or "precocious madness") is a disused psychiatric diagnosis that originally designated a chronic, deteriorating psychotic disorder characterized by rapid cognitive disintegration, usually beginning in the late teens or early adulthood.
The Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE) is a questionnaire that can be filled out by a relative or other supporter of an older person to determine whether that person has declined in cognitive functioning. The IQCODE is used as a screening test for dementia. If the person is found to have significant cognitive ...
The condition was previously called sluggish cognitive tempo (SCT). The terms concentration deficit disorder ( CDD ) or cognitive disengagement syndrome ( CDS ) have recently been preferred to SCT because they better and more accurately explain the condition and thus eliminate confusion.
Mild cognitive impairment, in which a person goes through an early stage of loss of memory or other cognitive abilities but still maintains the ability to independently do most activities of daily ...
The main principle distinguishing neurocognitive disorders from mood disorders and other psychiatric conditions that involve a cognitive component (i.e. increased lapses in memory noted by patients with depression) is that cognitive decline is the "defining characteristic" of the disorder.
Studies of cognitive reserve explore the specific biological, genetic and environmental differences which make some people more resistant to cognitive decline than others. [ citation needed ] Intellectual quotients derived from psychometric testing have been identified as valuable proxy measures of cognitive reserve, with higher scores relative ...
Cerebral atrophy is a common feature of many of the diseases that affect the brain. [1] Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins.
Normal aging is associated with a decline in various memory abilities in many cognitive tasks; the phenomenon is known as age-related memory impairment (AMI) or age-associated memory impairment (AAMI). The ability to encode new memories of events or facts and working memory shows decline in both cross-sectional and longitudinal studies. [8]