Biological Approach Essay

426 Words2 Pages
1.a) Outline two assumptions of the biological approach One assumption of the biological approach is behaviour can be explained in terms of different areas of the brain. The brain is made up of the frontal lobe, the occipital lobe, the temporal lobe, the parietal lobe and the cerebellum. According to the biological approach different areas of the brain control different behaviours. For example the frontal lobe is responsible for personality and the occipital lobe is responsible for vision. Damage to these areas of the brain can change a person’s behaviour for example damage to the frontal lobe can affect personality. Another assumption of the biological approach is behaviour can be explained in terms of hormones. Hormones regulate different behaviours. Hormones are biochemical substances that are produced by endocrine glands such as pituitary glands and adrenal glands. Hormones are transported through the blood stream to various organs and tissues. The male hormone is testosterone and the female hormone is oestrogen. Too much or too little of a particular hormone can lead to psychological problems for example too much dopamine can cause schizophrenia 1.b) Describe Selyes GAS Theory According to the biological approach hormones are responsible for regulating behaviours. Selyes General Adaptation syndrome (GAS) theory focuses on how the body respond to stress. Selyes research on rats led him to conclude that when exposed to stressful situations we display a universal response to all stressors regardless. He called this General Adaptation Syndrome. Selyes GAS theory consists of 3 stages; alarm reaction stage, resistance stage and exhaustion stage. The first stage is the alarm reaction stage. First a stressor is recognised. Then a signal is sent to the hypothalamus in the brain. This signal triggers the release of adrenaline from the adrenal glands. This
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