It appears that what is needed is for the autonomic nervous system to be reset. This is most likely why the aura occurs as the result of vasoconstriction of the cranial blood vessels. The migraine headache results from vasodilation of the same or different blood vessels. In the same disorder, you have both dilation and constriction of blood vessels. The part of the body that controls the circulation and the size of the blood vessels is the autonomic nervous system.

Autonomic Nervous System
Most functions in the human body occur automatically. They are not under our voluntary control.

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The autonomic nervous system controls all the bodily processes that occur automatically in the body, including breathing, heart rate, saliva formation, digestion, pain control, and of course, blood flow. The somatic nervous system controls those actions that are under our control, including athletic performance, muscle control, moving our eyes to see something, and decision-making.

The autonomic nervous system is divided into the parasympathetic and sympathetic nervous systems. The sympathetic nervous system is generally stimulatory (heart rate goes up when activated) and the parasympathetic nervous system is inhibitory (heart rate goes down).

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