Questions tagged [hallucinations]
For questions regarding perception of a stimulus without any actual stimulus being present, particularly in the context of psychiatric illness or recreational drug use
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Can a person have a imaginary friend as some kind of hallucination or pychosis?
If a person were to experience some kind of mental trauma, could their brain unconsciously create a friend that only they could hear, see and physically feel, to help them cope?
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Reducing pareidolia?
Going in the opposite direction and artificially increasing Pareidolia (the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one sees an ...
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Is there any evidence that some people who claim to see auras around persons actually see them?
I have found that seeing "auras" is used for diagnosis of some neuropathologies. However, I wasn't able to find evidence that some people truly see what is colloqially known as auras. Is ...
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The differences between sensory distortions and hallucinations
So, the way I've understood it, "sensory disturbances" can be categorized as follows:
Any sensory experience that isn't real goes under "sensory disturbances" in this diagram. If ...
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Is it possible to get good hallucination while suffering from schizophrenia?
Schizophrenia : A disorder that affects a person's ability to think, feel and behave clearly.
The exact cause of schizophrenia isn't known, but a combination of genetics, environment and altered brain ...
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Non-serotonergic hallucinogens
According to this article, agonism of the 5-HT$_{2A}$ is necessary for hallucinogenesis. Now, not all hallucinogens are primarily serotonergic, but does there exist hallucinogens that aren't at all ...
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Do people who experience heautoscopy become unable to see their reflected image in a mirror?
I understand that people who experience autoscopy can see their body image outside them without a mirror. I had read many years back in a paper that people who experience the inverse phenomenon called ...
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Are normal external stimuli still processed by the brain during a hallucination?
I was wondering if hallucinations could radically override real external stimuli. After all every sensory organ responds to external stimuli, but when a hallucination occurs, I suppose, the external ...
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Can schizophrenics who are deaf since birth hear voices?
I am interested in how schizophrenia can be expressed in them, and whether it depends on the perception of the world. Maybe they see text pop-up in the air, or something like that?
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Could a failure of condensed inner speech be linked to slowed cognition?
Could a failure of "condensed inner speech" be linked to slowed cognition? It is a type of inner voice, and as conceptualized by Fernyhough it
involves the capacity to think in terms of pure ...
user7852
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Can a person with delusions completely acknowledge their delusions
I wanted to ask a question for a story I'm writing;
Can a person with delusions completely acknowledge that they have delusions? For example, if someone claims that for a long time he believed ...
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The interactions between hallucinations and reality in people with schizophrenia
A person with schizophrenia sees a door become open, while in reality it's closed. What would he see when he tries to pass through the door?
Bumps into an invisible obstacle.
He sees the door become ...
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What type of imagination is responsible for hallucinations?
What about the type of imagination which medicine calls hallucinations? Is it a great gift or a curse for those who sense extremely? Is imagination a mild form of hallucinating?
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Can drugs cause a psychosis, or only unlock it?
There have been many reports, that recreational drug use can cause psychosis. Some cannabis users report experiencing psychosis (sometimes permanent) immediately after use. Some methamphetamine users ...
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Does a true hallucination need to go away while plugging one's ears?
Can an auditory hallucination be true hallucination even if the person clàims that it doesnot reduces in volume when he plugs his ears. Similarly can a visual hallucination still be a true ...
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