Search results
Results from the WOW.Com Content Network
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 ...
Within psychological testing, the Scale for the Assessment of Positive Symptoms (SAPS) is a rating scale to measure positive symptoms in schizophrenia.The scale was developed by Nancy Andreasen and was first published in 1984. [1]
Delusional parasitosis is diagnosed when: 1) the delusion is the only symptom of psychosis, 2) the delusion has lasted a month or longer, 3) the person's behavior is otherwise not markedly odd or impaired, 4) mood disorders (if present at any time) have been comparatively brief, and 5) the delusion cannot be better explained by another medical ...
For the diagnosis to be made, auditory and visual hallucinations cannot be prominent, though olfactory or tactile hallucinations related to the content of the delusion may be present. [7] The delusions cannot be due to the effects of a drug , medication , or general medical condition , and delusional disorder cannot be diagnosed in an ...
A thought disorder (TD) is a disturbance in cognition which affects language, thought and communication. [1] [2] Psychiatric and psychological glossaries in 2015 and 2017 identified thought disorders as encompassing poverty of ideas, neologisms, paralogia (a reasoning disorder characterized by expression of illogical or delusional thoughts), word salad, and delusions—all disturbances of ...
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 ...
Half of patients experience more than one kind of delusion. [2] Delusions occur without hallucinations in about one-half to two-thirds of patients with psychotic depression. [2] Hallucinations can be auditory, visual, olfactory (smell), or tactile (touch), and are congruent with delusional material. [2] Affect is sad, not flat.
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".