A type of false perception in which the perception of a real world object is combined with internal imagery to produce a false internal perception. They are classified into:
There is a combination of heightened emotion and misperception. (e.g., while walking across a lonely park at night, briefly seeing a tree moving in the wind as an attacker).
Rely on our brain’s tendency to fill in the presumed missing parts of an object to produce a meaningful perception. They are the basis for many types of optical illusion.
Both affect and completion illusions usually resolve on closer attention.
Continue reading Disorders of Perception
(Symptom of asthenic states) A state of exalted or morbidly increased sensibility of the body, or of a part of it.
(Symptom of depression) A state of decreased sensibility of the body or of a part of it.
Loss of sensibility of the body or of a part of it
Loss of sensory modalities resulting from emotional conflicts.
Cenesthetic hallucinations – unfounded, strange inexplicable sensations in bodily organs (usually in case of schizophrenia). Any localized distortion of body awareness, such as the feeling that a hand has become like jelly
A subjective manifestation of a pathological condition. It helps us distinguish the patients from others, and impair their normal functioning.
Example: Memory which is better than others is distinguishing but it is not a symptom. However, poor memory impairs their normal functioning.
Continue reading Basic definitions of General Psychopathology