Hallucination

A hallucination is a form arising in consciousness without external stimulus, i.e. the perception of non-existent real objects (objects and phenomena).

Negative hallucinations represent the opposite-perception of actual objects.

Hallucinations appear as ordinary people in stages of extreme psychological exhaustion in the extreme fatigue, the absence of external stimuli, lack of sleep, high temperature, intoxication, dehydration, etc., and also in the use of alcohol, psychotropic substances, various injuries and diseases, and some mental and neurological diseases.

According to the degree of realism of hallucinations are:

• True hallucinations is a deception of perception, in which images and phenomena arising in the mind of people who are real, living character and endowed with the characteristics of volume, physicality, density. Person difficult to recognize or to suspect them to be some catch, because they are perceived as if through the natural senses and does not believe that these "live", "real" objects are not perceived by other people.
• Pseudohallucinations is the deceptions of perception in which images are lacking certain features that are present at these items. They lack mass and volume, the impression is that they are observed with the inner sight. Typically, a person realizes that the source of his visions is not with him.

According to the methods of perception are the following types of hallucinations in their relationship with sensitive analyzers:

• Visual hallucinations
• Auditory hallucinations
• Olfactory hallucinations
• Tactile hallucinations
• Gustatory hallucinations
• Visceral hallucinations (sensations arising within the body)

Translated by «Yandex.Translator»