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Tactile hallucination is the false perception of tactile sensory input that creates a hallucinatory sensation of physical contact with an imaginary object. [1] It is caused by the faulty integration of the tactile sensory neural signals generated in the spinal cord and the thalamus and sent to the primary somatosensory cortex (SI) and secondary ...
Delusional disorder, traditionally synonymous with paranoia, is a mental illness in which a person has delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant flattening of affect. [6][7] Delusions are a specific symptom of psychosis. Delusions can be bizarre or non-bizarre in content; [7 ...
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 ...
Depends on cause [2] Frequency. 3% of people at some point in their life (US) [1] Psychosis is a condition of the mind or psyche that results in difficulties determining what is real and what is not real. [3] Symptoms may include delusions and hallucinations, among other features. [3]
Somatic symptom disorder, also known as somatoform disorder, or somatization disorder, is defined by one or more chronic physical symptoms that coincide with excessive and maladaptive thoughts, emotions, and behaviors connected to those symptoms. The symptoms are not deliberately produced or feigned, and they may or may not coexist with a known ...
Schizophrenia is a mental disorder [17][7] characterized variously by hallucinations (typically, hearing voices), delusions, disorganized thinking and behavior, [10] and flat or inappropriate affect. [7] Symptoms develop gradually and typically begin during young adulthood and are never resolved. [3][10] There is no objective diagnostic test ...
Paraphrenia is often associated with a physical change in the brain, such as a tumor, stroke, ventricular enlargement, or neurodegenerative process. [4] Research that reviewed the relationship between organic brain lesions and the development of delusions suggested that "brain lesions which lead to subcortical dysfunction could produce delusions when elaborated by an intact cortex".
Schizophrenia is a mental disorder that is expressed in abnormal mental functions, a loss of one's sense of identity and self, a compromised perception of reality, and disturbed behavior. The signs and symptoms of childhood schizophrenia are similar to those of adult-onset schizophrenia.