Psychiatric Disorders, Diseases, and Drugs

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Psychiatric Disorders, Diseases, and Drugs
Susan Harvey
Psy/240
June-8-2014
Autumn Harrell

Psychiatric Disorders, Diseases, and Drugs
Discuss any associated theories behind the disorders and diseases. * Schizophrenia * Depression * Mania * Anxiety Disorder * Tourette Syndrome
The first disorder I am going to discuss is Schizophrenia, this is defined as “the splitting of psychic functions.” There are positive as well as negative symptoms to determining schizophrenia. Some of these symptoms include for the positive, delusions of being controlled, delusions of persecution or delusions of grandeur, hallucinations (voices), inappropriate affect “failure to react with the appropriate emotion to positive of negative events”, incoherent speech or thought, and odd behavior. The negative symptoms are, affective flattering, alogia “reduction or absence of emotional expression” avolition “lack of motivation” anhedonia “inability to experience pleasure.”
The recurrence of any two of these symptoms “positive or negative” for one month is sufficient for diagnosis of schizophrenia.
(Tamminga & Holcomb, 2005; Walker et al 2004) 1% of the population develops schizophrenia. If a family member has this disorder, then the parents, or siblings have a greater chance (10%) to develop the same disorder (Kendler & Gruenberg, 1984; Rosenthal et al 1980)
Dopamine theory of schizophrenia is the theory that schizophrenia is caused by too much dopamine and conversely, that anti-schizophrenia drugs exert their effects by decreasing dopamine levels. Some drugs that are usually taken for this disorder are; Thorazine, Trilafon, Hadol, Prolixin, and Navane, just to name a few. These drugs are known to treat the positive symptoms of schizophrenia, however, they can cause cognitive dulling and involuntary movements among other side effects. Some of the older…...

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