Hallucinations are unreal sensory experiences, such as hearing or seeing something that is not there. Any of our five senses (vision, hearing, taste, smell, touch) can be involved. Most often, when we ...

Background: Visual hallucinations occur in various neurological diseases, but are most prominent in Lewy body dementia, Parkinson's disease and schizophrenia. The lifetime prevalence of visual ...

Visual hallucinations, or seeing things that aren't really there, can be frightening and distressing. They may occur due to a large variety of physical and psychiatric conditions. But a lesser known ...

Hallucinations underlie many neurological conditions, drug-induced or otherwise. Narcolepsy, schizophrenia, and Alzheimer’s disease are all associated with moments when one visually perceives the ...

Migraine is a neurological condition that affects about 39 million people in the United States. Aura symptoms can include trouble speaking, tingling, weakness, or vision changes. Visual aura is common ...

Have you ever felt the strong sensation that someone is behind you, so intense that you turn around, only to see that no-one is there? This is a 'presence hallucination'. Presence hallucinations are ...