What makes a person hallucinate

Visual hallucination is a condition where a person sees or visualizes something which does not actually exist.5 nerve degeneration, the primary cause of dementia, localized in different parts of the nervous system, can trigger visual hallucinations.But what are the brain mechanisms that explain.The human brain is a remarkable thing.A patient may not even realize he/she is having distorted sensory experiences unless the hallucinations are severe.

While most people associate hallucinations with drugs, they are actually a common symptom of many conditions, too.Roughly a third of people with delirium can have visual hallucinations.Creating hallucinations without drugs is surprisingly easy.A change in behavior is usually the first.A person can experience visual hallucinations for many reasons, including consuming hallucinogenic substances or as a symptom of schizophrenia.

There are many reasons as to why a person can hallucinate, but there are some causes that actually tend to affect the elderly.Alcohol abuse has this ability as well, but only after months or years of chronic use.Heavy drinking and certain street drugs, like ecstasy, cocaine, and lsd, can cause you to see anything from flashes of light to people.Hallucinations most often result from:With these dementias, though, hallucinations are more likely to be associated with hearing or feeling.

Visual means you see things, such as a person or object that is not real.These natural, nonpsychotic trips are precise, clear, and often elaborate.Research on why some people experience hallucinations with these substances while others don.