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A hallucination is a perception in the absence of an external stimulus that has the compelling sense of reality. [6] They are distinguishable from several related phenomena, such as dreaming (), which does not involve wakefulness; pseudohallucination, which does not mimic real perception, and is accurately perceived as unreal; illusion, which involves distorted or misinterpreted real ...
In Ayurvedic classics, hallucinations and delusions are referred to as false perceptions (mithyājñāna), illusions (maya), infatuations (moha), or confusion . [4] In Yoga philosophy and Hatha Yoga Pradipika, moha is described as a delusion that clouds the mind. [1] It has been cited as one of the causes of perjury. [5]
The Vedic thinkers held the view that the universe is merely an idea, a kalpanā ('phantasm') or projection of the mind of the creator; even the experience of birth and death by the Jiva is a kalpanā ('hallucination') created by ignorance. [12] Mental kalpanā is false superimposition on account of ignorance.
Hallucinations may command a person to do something potentially dangerous when combined with delusions. [19] So-called "minor hallucinations", such as extracampine hallucinations, or false perceptions of people or movement occurring outside of one's visual field, frequently occur in neurocognitive disorders, such as Parkinson's disease. [20]
One common hallucination is the presence of an incubus. A neurological hypothesis is that in sleep paralysis the cerebellum , which usually coordinates body movement and provides information on body position, experiences a brief myoclonic spike in brain activity inducing a floating sensation.
The first major lake effect snow pounded portions of the Northeast and Midwest this past weekend, with more in the forecast in the coming days.
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1269 ahead. Let's start with a few hints.
Hyperphantasia is the condition of having extremely vivid mental imagery. [1] It is the opposite condition to aphantasia, where mental visual imagery is not present. [2] [3] The experience of hyperphantasia is more common than aphantasia [4] [5] and has been described as being "as vivid as real seeing". [4]