Neurocognition

Neurocognition concerns the cognitive functions as closely linked to the function of particular areas, neural pathways, or cortical networks in the brain, ultimately served by the substrate of the brain's neurological matrix (i.e. at the cellular and molecular level). Therefore, their understanding is closely linked to the practice of neuropsychology and cognitive neuroscience, two disciplines that broadly seek to understand how the structure and function of the brain relate to cognition and behaviour.

Neuropsychology
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A neurocognitive deficit is a reduction or impairment of cognitive function in one of these areas, but particularly when physical changes can be seen to have occurred in the brain, such as after neurological illness, mental illness, drug use, or brain injury.[1]

A clinical neuropsychologist may specialise in using neuropsychological tests to detect and understand such deficits, and may be involved in the rehabilitation of an affected person. The discipline that studies neurocognitive deficits to infer normal psychological function is called cognitive neuropsychology.

Etymology

The term neurocognitive is a recent addition to the nosology of clinical Psychiatry and Psychology. It was used rarely before the publication of the DSM-5, which updated the psychiatric classification of disorders listed in the "Delirium, Dementia, and Amnestic and Other Cognitive Disorders" chapter of the DSM-IV.[2] Following the 2013 publication of the DSM-5, use of the term "neurocognitive" increased steadily.[3]

Adding the prefix "neuro-" to the word "cognitive" could be considered as an example of pleonasm because, analogous to expressions like "burning fire" and "black darkness," the prefix "neuro-" arguably adds no further useful information to the term "cognitive". In the field of clinical neurology, clinicians often continue using the simpler term "cognitive", possibly due to there being historically a relative paucity of evidence for human cognitive processes that do not involve the nervous system. However, intense recent interest in functional neurological disorders (FND) in the context of 'medically unexplained symptoms' has led to widespread international questioning of this assertion.

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See also

References
  1. Blazer, Dan (2013). "Commentary: Neurocognitive Disorders in DSM-5". American Journal of Psychiatry. 170 (6): 585–587. doi:10.1176/appi.ajp.2013.13020179.
  2. Sachdev, PS; Blacker, D; Blazer, DG; Ganguli, M; Jeste, DV; Paulsen, JS; et al. (2014). "Classifying neurocognitive disorders: the DSM-5 approach". Nat Rev Neurol. 10 (11): 634–42. doi:10.1038/nrneurol.2014.181. PMID 25266297.
  3. https://trends.google.com/trends/explore/TIMESERIES/1555462200?hl=en-US&tz=300&date=all&geo=US&q=neurocognitive,dsm-5&sni=3

Further reading
  • Green, K. J. (1998). Schizophrenia from a Neurocognitive Perspective. Boston, Allyn and Bacon.
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