![]() ![]() The hypothalamus may trigger the release of stress hormones by the pituitary gland, even when there is no external and objective danger. One problem with this arrangement is that the limbic system cannot tell the difference between a realistic physical threat and an anxiety-producing thought or idea. The limbic system controls human emotions through its connections to glands and muscles it also connects to the ANS and "higher" brain centers, such as parts of the cerebral cortex. The ANS is controlled by the hypothalamus, a specialized part of the brainstem that is among a group of structures called the limbic system. ![]() This emergency reaction is regulated by a part of the nervous system called the autonomic nervous system, or ANS. Another individual looking at the anxious person from the outside may be truly puzzled as to the reason for the person's anxiety. An individual might be anxious because of a unique meaning or memory being stimulated by present circumstances, not because of some immediate danger. Whereas most people will be fearful in physically dangerous situations, and can agree that fear is an appropriate response in the presence of danger, anxiety is often triggered by objects or events that are unique and specific to an individual. It is anxiety's aspect of remoteness that makes it hard for people to compare their experiences of it. Sometimes anxiety being experienced in the present may stem from an event or person that produced pain and fear in the past, but the anxious individual is not consciously aware of the original source of the feeling. In this form it is called free-floating anxiety. Anxiety, on the other hand, is often unfocused, vague, and hard to pin down to a specific cause. They also will recognize that they are afraid. ![]() Most people will feel fear if someone points a loaded gun at them or if they see a tornado forming on the horizon. Fear is a direct, focused response to a specific event or object, and the person is consciously aware of it. Although anxiety is related to fear, it is not the same thing. ![]()
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