Neuro Cognitive Disorder

Neurocognitive disorders include delirium, mild cognitive impairment and dementia which are characterized by decline from an attained level of cognitive functioning. The disorders have diverse clinical characteristics and a etiologies, with Alzheimer disease, front temporal degeneration, cerebrovascular disease, Lewy body disease, traumatic brain injury, infections, and alcohol abuse showing common causes. A neurocognitive deficit is a reduction or impairment of cognitive function, but mainly when physical changes can be seen to have occurred in brain, such as after neurological and mental illness, drug use, or brain injury. Clinical neuropsychologist use neuropsychological tests to detect and understand such deficits and may be involved in the rehabilitation of an affected person. This discipline that studies neurocognitive deficits to infer normal psychological function is known as cognitive neuropsychology.