A Wisdom Archive on Delusion

However, the modern definition and Jaspers's original criteria have been criticised, as counter-examples can be shown for every defining feature. Studies on psychiatric patients have shown that delusions can be seen to vary in intensity and conviction over time which suggests that certainty and incorrigibility are not necessary components of a delusional belief

Read more here: » Delusion: Encyclopedia II - Delusion - Diagnostic issues

A hallucination is a sensory perception experienced in the absence of an external stimulus, as distinct from an illusion, which is a misperception of an external stimulus. Hallucinations may occur in any sensory modality - visual, auditory, olfactory, gustatory, tactile, or mixed. Hallucination - Origins of the word. The word 'hallucinatory' has its roots in the Latin hallucinere or allucinere, meaning 'to wander in mind'. Altenatively in the Greek Including:

• Hallucination - Origins of the word
• Hallucination - Possible causes

Read more here: » Hallucination: Encyclopedia - Hallucination

In popular culture, the term paranoia is usually used to describe excessive concern about one's own well-being, sometimes suggesting a person holds persecutory beliefs concerning a threat to themselves or their property and is often linked to a belief in conspiracy theories. In psychiatry, the term paranoia was used by Emil Kraepelin to describe a mental illness in which a delusional belief is the sole, or most prominent feature. This usage is now largely obsolete and the term is more typically used in a general sense to ... Including:

• Paranoia - Use in psychiatry
• Paranoia - Examples of clinical paranoia
• Paranoia - Paranoia depicted in popular culture

Read more here: » Paranoia: Encyclopedia - Paranoia

An illusion is a distortion of a sensory perception. Each of the human senses can be deceived by illusions, but visual illusions are the most well known. Some illusions are subjective; different people may experience an illusion differently, or not at all. Optical illusions, such the use of false perspective, exploit assumptions made by the human visual system. Mirages are optical distortions through the atmosphere that may be photographed. While the perceived reality (such as water in the desert) is illusory, th ...

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Early references to the condition can be found in the work of Hippocrates, Erasistratus, Plutarch and Galen. In the psychiatric literature it was first referred to in 1623 in a treatise by Jacques Ferrand (Maladie d'amour ou Mélancolie érotique) and has been variously called "old maid's psychosis", "erotic paranoia" and "erotic self-referent delusions" until the common usage of the terms ero ...

Read more here: » Erotomania: Encyclopedia II - Erotomania - History

The core of the syndrome is that the affected person has a delusional belief that another person, usually of higher social status, is secretly in love with them. The sufferer may also believe that the subject of their delusion secretly communicates their love by subtle methods such as body posture, arrangement of household objects and other seemingly innocuous acts. The object of the delusion usually has little or no contact with the delusional person, who often believes t ...

Read more here: » Erotomania: Encyclopedia II - Erotomania - Contemporary syndrome

Florid hallucinations are usually associated with drug use (particularly hallucinogenic drugs), sleep deprivation, psychosis or neurological illness. However, studies have shown that hallucinatory experiences take place across the population as a whole. Previous studies, one as early as 1894[1], have reported that approximately 10% of the population experience hallucinations. A recent survey of over 13,000 people

Read more here: » Hallucination: Encyclopedia II - Hallucination - Possible causes

Bhranti Darshana: A delusion.

 
(See also: Bhranti Darshana, Yoga, Yoga Dictionary )

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