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 ...

Hallucinations refer to the experience of sensing things that seem real but do not exist. During a hallucination, you may see, hear, feel, smell, or taste things that are not there—meaning they have ...

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.

Hallucinations while falling asleep are a fairly common experience up to 70 percent of people experience it at least once. Known as hypnagogic hallucinations, they're typically brief, fleeting, and ...

A new study from the Netherlands Institute for Neuroscience shows how flickering light can cause hallucinations in our brain: it produces "standing waves" of brain activity. The work is published in ...

Are hallucinations common in individuals with dementia? Changes in the brain because of the progression of the disease produce false perceptions of objects or experiences. Visual hallucinations, most ...

Add Yahoo as a preferred source to see more of our stories on Google. Having witnesses or recording devices during procedures requiring anesthesia could help prevent opportunities for sexual assault.

Hallucinations are a common side effect of narcolepsy. Though these hallucinations are not physically harmful, treatments are available to help you get better sleep. Share on Pinterest Image credit: ...

(THE CONVERSATION) – Some patients can have vivid and detailed sexual hallucinations during anesthesia with sedative-hypnotic drugs like propofol, midazolam, diazepam and nitrous oxide. Some make ...