Abstract

Visual hallucinations show up in humans with paroxysmal neurological diseases, such as epilepsy and migraine, alcohol withdrawal, use of anticholinergic or hallucinogenic drugs, neurodegenerative diseases, focal Genius injury, and schizophrenia spectrum disorders. In this review, I talk about the phenomenology and pathophysiology of the eleven medical stipulations related with visible hallucinations and their associated symptoms. Illusions and hallucinations are generally encountered in each day by day lifestyles and medical practice. In this chapter, we assessment definitions and feasible underlying mechanisms of these phenomena and then evaluation what is recognised about unique stipulations that are related with them, such as ophthalmic causes, migraine, epilepsy, Parkinson's disease, and schizophrenia. We then talk about precise syndromes consisting of the Charles Bonnet syndrome, visible snow syndrome, Alice in Wonderland syndrome, and peduncle hallucinosis.