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Analyzing Psychological Disorders Schizophrenia, Anorexia Nervosa and Anxiety

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Introduction The biopsychologist will implement the biological approach to psychology in the attempt to study psychological diseases and disorders as well as in the diagnosis and treatment of individual’s suffering from such diseases and disorders. The following will include the analysis of the disorder known as Schizophrenia. The areas of brain affected, causal factors, associated symptoms, neural basis and appropriate drug therapies will be discussed. In addition, the disorders of Anorexia Nervosa and Generalized Anxiety Disorder will also be examined. Both the disorders of Anorexia Nervosa and Generalized Anxiety Disorder will be discussed for their relation to the nature-nurture issue and other appropriate theories of etiology. Possible drug therapies and alternative solutions will also be a focus of discussion.
Part A: Schizophrenia Schizophrenia is undoubtedly one of the most complex psychiatric disorders of all time. A disorder which name defines the “splitting of psychic functions (Pinel, 2007, p.481)”, Schizophrenia often presents itself with a variety of characteristic symptoms including possible delusions, hallucinations, disorganized or incoherent speech, grossly disorganized or catatonic behavior patterns and negative symptoms (American Psychiatric Association, 2000). Social and occupational dysfunction often accompany these characteristic symptoms of Schizophrenia and the combination of function impairment and symptoms must persist in duration for a period of 6 months to warrant a diagnosis of Schizophrenia (American Psychiatric Association, 2000).

Causal Theories and Neural Basis
Various theories surround the causal factors related to the development of Schizophrenia. There is evidence that the disorder may result from genetic predisposition resulting from the Schizophrenia diagnosis in a close, first degree relative (Pinel, 2007). This

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