But there are also hallucinations as well, and hallucinations are completely different.

I've never hallucinated.

His grandfather had these hallucinations.

And I see the geometrical hallucinations.

She had very mobile hallucinations as well.

She had no control over them.

Never return to the haunts of your youth.

So in the Charles Bonnet hallucinations, you have all sorts of levels, from the geometrical hallucinations the pink and blue squares the woman had up to quite elaborate hallucinations with figures and especially faces.

Tom was boiling up with a fever and hallucinating.

And the temporal lobe hallucinations are all sense hallucinations, full of feeling, full of familiarity, located in space and time, coherent, dramatic.

Now you might think, ah, there s a solution hallucinations.

She wasn't on any medications which could produce hallucinations.

Oliver Sacks What hallucination reveals about our minds

They were hallucinations, which vanished the moment he touched them.

There is none of this quality of being addressed with these Charles Bonnet hallucinations.

She said she didn't recognize any of the people or places in the hallucinations.

It's typical of these hallucinations that they may come in a flash and disappear in a flash.

About 10 percent of the hearing impaired people get musical hallucinations.

When people have these simple geometrical hallucinations, the primary visual cortex is activated.

And about 10 percent of the visually impaired people get visual hallucinations.

Psychotic hallucinations, whether they are visual or vocal, they address you. They accuse you.

Faces, and sometimes deformed faces, are the single commonest thing in these hallucinations.

So I am going to be talking about hallucinations, and a particular sort of visual hallucination which I see among my patients.

Something like 10 percent, as I said, of visually impaired people get these.

Several of the game's levels involve surrealistic nightmares and drug related hallucinations of Payne.

There must be hundreds of thousands of blind people who have these hallucinations, but are too scared to mention them.

)People experiencing these hallucinations might scratch themselves to the extent of serious skin damage and bleeding, especially when they are delirious.

Reported adverse events with memantine are infrequent and mild, including hallucinations, confusion, dizziness, headache and fatigue.

In fact, neuroleptic drugs that are used to eliminate psychotic behavior, things like paranoia, delusions and hallucinations, these are patternicities.

(Similar delusions may also be associated with high fever or in connection with alcohol withdrawal, sometimes accompanied by visual hallucinations of insects.

But sometimes he wasn't sure whether he was hallucinating or not, because the hallucinations would fit in the context of the visions.

Hoffman (1998, p. 9) asserts that ...the trance state should be discussed in the plural, because there is more than one altered state of consciousness significantly different from everyday consciousness.

Closed eye hallucinations in darkness, which are common to psychedelic drugs (i.e., LSD, mescaline).

Many mental illnesses, such as schizophrenia and bipolar disorder, can cause auditory hallucinations that command the patient to commit acts of violence.

Psychedelic states are an array of experiences including changes of perception such as hallucinations, synesthesia, altered states of awareness or focused consciousness, variation in thought patterns, trance or hypnotic states, mystical states, and other mind alterations.

In particular, the notion is that if you see things or hear things, you're going mad, but the psychotic hallucinations are quite different.

A lot of you have probably seen Oliver Sacks' wonderful new book called Musicophilia . It's on sale in the bookstore. It's a great book.

She said that the hallucinations were unrelated to anything she was thinking or feeling or doing, that they seemed to come on by themselves, or disappear.

There is an area in the anterior part of this gyrus where teeth and eyes are represented, and that part of the gyrus is activated when people get the deformed hallucinations.

The white man explains to the black woman what racism is, and tells her that she is bitter and suffering from delusions because, of course, she thinks that all white people are bad.

In the medical profession the term is now avoided in favor of diagnoses of specific mental disorders the presence of delusions or hallucinations is broadly referred to as psychosis.

But what did disturb her was she got very persistent images or hallucinations of faces and as with Rosalie, the faces were often deformed, with very large teeth or very large eyes.

Many mushroom species are poisonous to humans, with toxicities ranging from slight digestive problems or allergic reactions as well as hallucinations to severe organ failures and death.

Charles Bonnet said, 250 years ago he wondered how, thinking these hallucinations, how, as he put it, the theater of the mind could be generated by the machinery of the brain.

James Hadfield's failed attempt to shoot the King in the Drury Lane Theatre on 15 May 1800 was not political in origin but motivated by the apocalyptic delusions of Hadfield and Bannister Truelock.