Analyzing Psychological Disorders

In: Philosophy and Psychology

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Analyzing Psychological Disorders
Many people do not realize how biology can play a role in psychological activities and disorders. Biology is a key aspect of psychology. Understanding the role of biology in behavior and cognitive abilities will create a better understanding of the disorder a person may have.
Part A: Schizophrenia
“Schizophrenia is a chronic, severe, and disabling brain disorder that has affected people throughout history. About one percent of Americans have this illness” (National Institute of Mental Health, 2009). This illness affects a large portion of the brain and is known to be associated with wide spread brain damage. The first studies of the brains affected by schizophrenia reported a reduced brain size. Other studies have shown widespread neuron loss and abnormalities of neuron structure and circuitry in several parts of the brain (Pinel, 2011). Schizophrenic is such a complex disorder and it has many different symptoms. Symptoms related to this disorder include hallucinations, delusions, disorganized thoughts and incoherent speech, and odd behavior; these symptoms are known as positive symptoms. Negative symptoms of this disorder include a reduction or lack of emotional expression, lack of speech, lack of motivation, and the inability to experience pleasure (Pinel, 2011). Because this illness has so many symptoms that are also associated with other disorders, it has been difficult to accurately define the illness and identify the exact source of the illness. As schizophrenia has been deeply researched several causal factors have come to light. For example, with only one percent of the American population has developed this illness, it has been found that the chance of schizophrenia occurring in a close biological relative of someone who suffers from this disorder is only about ten percent. This shows that although genetics…...

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