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 are often depicted in the movies as terrifying experiences. Think Jake Gyllenhaal seeing a monstrous rabbit in Donnie Darko, Leonardo DiCaprio experiencing the torture of Shutter Island ...