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 ...

Multimodal hallucinations—perceptual experiences that occur across two or more sensory channels—are increasingly recognised as a core feature of psychotic disorders. These experiences can arise ...

A WOMAN who was hearing voices was initially diagnosed with psychosis, but doctors were shocked to discover it was caused by ...

Schizoaffective disorder and schizophrenia have several symptoms in common, like hallucinations, delusions, and disorganized thinking or behavior. But although these conditions may resemble each other ...

Hallucinogen Persisting Perception Disorder (HPPD) is a cognitive disorder in which individuals continuously re-experience visual and other sensory hallucinations that they first experienced while ...

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 ...

Delusional disorder is primarily characterized by one or more delusions lasting for at least a month, while schizophrenia involves a broader range of psychotic symptoms, such as hallucinations and ...

Although sometimes portrayed in film and television as simply "falling asleep without warning," the reality of narcolepsy is ...

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: ...

Over the past decades, some medical researchers and neuroscientists have been exploring the possible therapeutic effects of ...

Hallucinogen persisting perception disorder (HPPD) is a rare medical condition that can cause visual disturbances (sometimes called flashbacks) if you’ve taken hallucinogenic drugs in the past. With ...