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An auditory hallucination, or paracusia, [1] is a form of hallucination that involves perceiving sounds without auditory stimulus. While experiencing an auditory hallucination, the affected person hears a sound or sounds that did not come from the natural environment. A common form of auditory hallucination involves hearing one or more voices ...
Auditory illusion. Auditory illusions are illusions of real sound or outside stimulus. [1] These false perceptions are the equivalent of an optical illusion: the listener hears either sounds which are not present in the stimulus, or sounds that should not be possible given the circumstance on how they were created. [2]
Pareidolia (/ ˌpærɪˈdoʊliə, ˌpɛər -/; [1] also US: / ˌpɛəraɪ -/) [2] is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one detects an object, pattern, or meaning where there is none. Pareidolia is a type of apophenia. Common examples include perceived images of ...
A hallucination is a perception in the absence of an external stimulus that has the compelling sense of reality. [4] Hallucination is a combination of two conscious states of brain: wakefulness and REM sleep. [5] They are distinguishable from several related phenomena, such as dreaming (REM sleep), which does not involve wakefulness ...
Musical hallucinations. Musical hallucinations (also known as auditory hallucinations, auditory Charles Bonnet Syndrome, and Oliver Sacks' syndrome [1]) describes a neurological disorder in which the patient will hallucinate songs, tunes, instruments and melodies. The source of these hallucinations are not correlated with psychotic illness. [2]
Pseudohallucination. A pseudohallucination (from Ancient Greek: ψευδής (pseudḗs) "false, lying" + "hallucination") is an involuntary sensory experience vivid enough to be regarded as a hallucination, but which is recognised by the person experiencing it as being subjective and unreal. By contrast, a "true" hallucination is perceived as ...
Auditory hallucinations have two essential components: audibility and alienation. [7] This differentiates it from thought insertion. While auditory hallucination does share the experience of alienation (patients cannot recognize that the thoughts they are having are self-generated), thought insertion lacks the audibility component (experiencing the thoughts as occurring outside of their mind ...
Up to 15% of the general population may experience auditory hallucinations (though not all are due to psychosis). The prevalence of auditory hallucinations in patients with schizophrenia is generally put around 70%, but may go as high as 98%. Reported prevalence in bipolar disorder ranges between 11% and 68%. [18]