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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.
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.
Cognitive impairment is an inclusive term to describe any characteristic that acts as a barrier to the cognition process or different areas of cognition. [1] Cognition, also known as cognitive function, refers to the mental processes of how a person gains knowledge, uses existing knowledge, and understands things that are happening around them using their thoughts and senses. [2]
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.
By 1910, Alois Alzheimer's teacher, Emil Kraepelin, published a book in which he coined the term "Alzheimer's disease" in an attempt to acknowledge the importance of Alzheimer's discovery. [289] [290] By the 1960s, the link between neurodegenerative diseases and age-related cognitive decline had become more established. By the 1970s, the ...
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.
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 ...