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Is a psychotic disorder characterized by a combination of specific positive and negative symptoms.
Postive Symptoms of Schizophrenia
Include hallucinations (a perception without an accompanying external reality, such as seeing a person who is not present), delusion (a false belief that is rigidly held in the face of contra-evidence and reason), disorganized speech, inappropriate affect, and disorganized behavior (absence of goal-orientation often manifested in failure to perform activities of daily living.
Negative Symptoms of Schizophrenia
Include a flat or bluned affect, avolition (a loss of willpower and decisiveness) alogia (a speech disturbance in Schizophrenia involving poverty of speech), decrease in the amount of speech or proverty of content of speech, and anhedonia (a loss of ability to experience pleasure).
Diagnosis of Schizophrenia
An individual must show continuous signs of the disorder for a minimum of 6 months to receive diagnosis.
There are three phases of Schizophrenia
- Prodromal Phase: a decline in role functioning and precedes the active phase.
- Active Phase: full-blown symptoms of Schizophrenia.
- Residual Phase: the psychotic symptoms have improved but impairment continues.
Subtypes of Schizophrenia include:
- Paranoid Type: characterized by prominent delusions, typically of the persecutory of grandiose type, or auditory hallucinations, other common symptoms of Schizophrenia are not prominent.
- Disorganized type: disorganized speech and behavior, as well as flat or inappropriate affect.
- Catatonic Type: a minmum of two of the following symptoms: motor immobility, purposeless movement unrelated, and resistance to being move or mutism.
An individual may or may not experience impairment in social or occupational functioning. Individual should have symptoms of the disorder a minimum of 1 month and less than six months.
Has a major Depressive, Manic, or Mixed Episode in combination with symptoms of Schizophrenia. The individual must have had delusions or hallucinations during a 2-week period when prominent mood symptoms were not present; mood symptoms need to be a prominent part of the illness.
an individual believes that another person, frequently of higher status is in love with him or her.
an individual is convinced that he or she has a special talent or understanding of some phenomenon or that he or she has accomplished something of great importance.
individual believes that his or her spouse or lover has been unfaithful based on faulty inference.
individual believes that someone is conspring, trying to poison, following him or her, etc.
individual is convinced that one or more of his or her body opening emits a noxious order, parts are ugly, or that one or more body part are not functioning.
Diagnosed when a specific delusional theme does not predominate.
Shared Psychotic Disorder (Folie a Deux)
Is characterized by the development of a delusion in an individual who is closely involved with another individual who has prominent delusions.