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 ...

Delusions and hallucinations are both distortions of reality that can occur when a person is experiencing psychosis. Delusions are erroneous beliefs, like unwarranted paranoia, while hallucinations ...

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 ...

A few years ago, Mike Belleville of Bellingham, Massachusetts, started seeing animals in his apartment. This was a problem. "I knew we didn't have any animals living with us. It was startling at first ...

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. You’re sitting on the bus ...

When someone sees something that isn't there, people often refer to the experience as a hallucination. Hallucinations occur when your sensory perception does not correspond to external stimuli.