How does Mild Neurocognitive Disorder differ from Major Neurocognitive Disorder?

Mild Neurocognitive Disorder is characterized by noticeable cognitive decline from a previous level of performance that does not interfere significantly with the individual's ability to maintain independence in everyday activities. This distinction is crucial because it sets Mild Neurocognitive Disorder apart from Major Neurocognitive Disorder, where there are more severe cognitive deficits that do impair independent functioning.

In Major Neurocognitive Disorder, individuals typically experience substantial difficulties with cognitive functioning, such as memory, reasoning, and problem-solving abilities, which can severely impact their ability to perform everyday tasks without assistance. This difference in the level of impairment underscores the core criteria that separate these two disorders. Therefore, the fact that individuals with Mild Neurocognitive Disorder are generally able to continue functioning independently aligns with the diagnostic criteria provided in the DSM-5-TR.