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Essay example - bio-psychology

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Pages 2 (502 words)
The Hypothalamus-Pituitary-Adrenal Axis (HPA) is a complex feedback response system that involves the three glands (hypothalamus, pituitary and adrenal) which are part of the neuroendocrine system that controls and regulates stress reaction in the body. They do this mainly…

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The General Adaptation System (GAS) controls and regulates the effects of stress through an interaction of brain activities. This therefore prevents stress levels from increasing to such high extent that they can cause brain damage in an individual. The whole information is communicated through the nervous system which then tries to find countermeasures.
The Sympathetic Adrenal Medullary (SAM) also controls stress via the brain but with the coordination of HPA and GAS. When the hypothalamus detects a stressor, it sends the message via SAM and the sympathetic nervous system to GAS and thus the stressor is controlled and regulated (Seaward and Seaward, 2011, pg. 49).
There are various sources of stress including the daily hustles of life where annoyance, irritation and pressure from stressors like traffic and work lead to stress developing. Life changes have also been discovered as a potential cause of stress by research carried out by Holmes and Rahe. This is because of the social readjustments an individual may have to go through as a result of the change. This may include changes in the family, work, and health among others which bring about long-term strain and hence acting as a stressor. According to the research, the other potential cause of stress is individual differences and their coping mechanisms when faced by difficult situation. Some people may be able to handle the difficult circumstances but others may not and hence are potential clients of stress. Finally catastrophic events may be a potential cause of stress because it is unexpected and the impacts are more than most people can imagine or even handle and hence stress starts creeping in.
There are various different treatment methods for stress and the most common ones are biological and cognitive behavioural therapy (CBT). Biological treatment involves the use of drugs which reduce arousal and anxiety levels whose increase causes stress. The treatment is ...
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