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All About Auras.

Migraines come with and without auras. Neither can be said to be less painful than the other, though the aura-less may be less stressful and frightening. Although migraines are often associated with auras, in fact only about 20% of migraine sufferers actually experience any of the symptoms of aura. The aura stage is part of the complex migraine, following the prodome stage. The aura stage usually lasts less than half an hour and its symptoms and effects can vary tremendously from one migraine sufferer to the next. Depending upon how extreme these symptoms get, the aura stage can become something quite horrifying, like a bad dream or, worse, a movie sequence of a bad dream.

The aura is all about distortions in perception. Despite the connotation of aura as a visual component, symptoms associated with auras not limited to specifically visual distortions. Characteristics associated with auras can include:

Flashing lights
Wavy or zigzagging lines spots or other shapes
Blind spots or partial loss of sight blurry vision
Olfactory hallucinations, or the smelling of aromas that aren’t really there
Tingling feeling or numbness about the face or extremities
Difficult speaking or forming words
Confusion, Vertigo, Partial and temporary paralysis
Decrease in or loss of hearing
Reduced sensation or Hypersensitivity to feel and touch

The aura is caused by changes taking place within the outermost layer of the brain, the cortex. With the depression of activity in the nerve cells, there is a resulting impairment in the function of the body part that is controlled by those cells. A slow spread in the depression of nerve cell activity is theorized to be the cause of the development of aura. The symptoms gradually build up and slowly make their way from one visual region or one body part to another.

For the migraine patient, this means the appearances of a black spot arising in his field of vision. The black spot may also be encompassed by either flashing lights or bright lines that zig and zag back and forth. The black spot will slowly—over a period of a few minutes—grow slightly larger. It is this unusual and often disturbing combination of a vision loss with accompanying flashing lights or zigzagging lines that distinguishes the typical migraine aura’s so-called “positive” symptoms.

It is this combination of so-called “negative symptoms” such as the loss of vision with the “positive symptoms” such as zigzagging lines that make up the typically distinctive features of a migraine aura. The vision blackouts—the negative symptom—are caused by a depression of nerve activity. On the other hand, the zigzagging lines are caused by hyperactivity in the nerve cells. The origin of this sequence of neurological events leading to auras and headaches is still unknown. What is known, however, is that those suffering from migraines have been found to have an ingrained susceptibility to factors that generally are not headache triggers. In people with migraine, changes in body chemistry, such as menstruation, certain foods, and dozens of environmental influences, such as a change in weather, may trigger an attack.

DISCLAIMER:

This information is not presented by a medical practitioner and is for educational and informational purposes only. The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read. This statement has not been evaluated by the FDA and is not intended to “diagnose, treat, cure or prevent any disease".

Wake Up Richer Every Morning... Instant Internet Business Makes Money Automatically... Thomas Hunter is an Internet marketer, author and publisher and has helped hundreds of people become successful Niche Marketers. Explore the highly profitable world of Niche Marketing at http://SixFigureNiches.com our popular membership website.

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