The nervous system is involved in the development of Emily's distressing symptoms by generating stress responses when she feels distressed to deal with some important event.
How does stress occur?
In a situation where the individual feels threatened in some way, there is an increase in the activation of the Sympathetic Autonomic Nervous System, activating the hypothalamus causing bodily changes such as tachycardia, contraction of blood vessels and can also affect brain physiology.
Therefore, when experiencing a stressful situation, there can be physical and mental changes in an individual, such as difficulty concentrating, intestinal changes and increased respiratory rate.
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