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 ...

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 ...

Sleep deprivation can lead to hallucinations, a situation that can get progressively worse the longer you are without sleep. Hallucinations from sleep deprivation are more likely to occur after 24 ...