Biological Approach In Abnormal Behaviour

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The etiology of abnormal behavior is a combination of several, distinctive factors that, when in conjunction, contribute to the activation of psychological disorders. These factors consist of biology, environment and cognition, but the magnitude of each of these triggers differs between every patient displaying abnormal behavior. It is assumed that all of these factors must be present for an individual to develop a psychological disorder. Biology and genetics enable abnormal behavior to appear or activate more likely, but they are not the most significant factors that lead to psychological disorders. While biology simply makes individuals more susceptible to a psychological disorder, environmental triggers are crucial for the actual development. This is evident when comparing the etiology of Post-Traumatic Stress Disorder, Schizophrenia, and Bulimia Nervosa. However since abnormal behavior is subjective and unique to every person affected, there is no measurable discrete conclusion to the significance of influence that each etiological factor has on the development of psychological disorders. For Post-Traumatic Stress Disorder (PTSD) to develop, an individual must witness or experience a traumatic event, which is an environmental factor regardless of intensity and long-term effect. It is undeniable that environment is the most influential factor that contributes to the development of PTSD, however genetics have an effect on an individual’s ability to handle and display emotions. This makes biology a susceptible factor in the generation of PTSD. Individuals who have high levels of non-adrenaline (a neurotransmitter, which, when is present in large amounts, result in the more candid and overt display of emotions) are more vulnerable to develop PTSD. Also, patients suffering from this psychological disorder are found to have an increased sensitivity to
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