Minor hallucinations are frequent and clinically relevant in Parkinson’s disease (PD), often preceding cognitive decline and more complex psychotic symptoms. These subtle perceptual anomalies are ...

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 ...

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 ...

Visual alterations under classic psychedelics can include rich phenomenological accounts of eyes-closed imagery. Preclinical evidence suggests agonism of the 5-HT2A receptor may reduce synaptic gain ...

A growing body of neuroimaging research is pinpointing exactly how psychedelic drugs hijack the brain’s visual system to produce vivid hallucinations, even when a person’s eyes are closed. Studies ...

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 ...

People with Charles Bonnet syndrome (CBS) experience complex visual hallucinations that can seem very real. While there is no cure, people can take simple steps to reduce or sometimes stop their ...

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 ...