Among the elderly, psychotic cognitive symptoms are usually due to:

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Psychotic cognitive symptoms such as hallucinations and delusions are common in delirium and neurocognitive disorders (such as dementia) in the elderly population. Schizophrenia tends to present earlier in life, while delusional disorders are characterized by persistent non-bizarre delusions without other prominent symptoms. Psychotic symptoms can also be present in depression, but it is not the primary cause in the elderly population.

Among the Elderly, Psychotic Cognitive Symptoms Are Usually Due To