What causes olfactory hallucinations (phantosmia)? Answer From Jerry W. Swanson, M.D. An olfactory hallucination (phantosmia) makes you detect smells that aren't really present in your environment.

NEW YORK (Reuters Health) - Hallucinated scents can, rarely, be a part of the "aura" that some people perceive before a migraine attack, a new study finds. About 30 percent of people with recurrent ...

This interview was originally broadcast on Nov. 6, 2012. In Oliver Sacks' book The Mind's Eye, the neurologist included an interesting footnote in a chapter about losing vision in one eye because of ...

A conventional hallucination can take on many forms including auditory hallucinations (hearing voices or sounds that aren’t there), visual hallucinations (seeing things that aren’t there), olfactory ...

I never had a headache or a seizure, which are typical symptoms of a brain tumor. My first symptom was having phantom smells. I was smelling things that weren’t there — like restaurant exhaust or ...

Studies conducted before the COVID-19 pandemic showed that loss of smell could be an early sign of the impending onset of Alzheimer’s disease. There is evidence in the scientific literature that this ...

Psychosis is popularly portrayed as visual hallucinations and paranoid delusions (e.g., "A Beautiful Mind," "Shutter Island"). Psychotic conditions, like schizophrenia-spectrum disorders, actually ...

Oct 17 (Reuters) - Hallucinated scents such as a burning or rotten smell, or even the scent of foie gras, can be a part of the "aura" that some people perceive before a migraine attack, although it is ...