LEARN MORE: Ocular migraines What to do if you experience auraĪura related to seizure and migraines can have an impact on your vision and your overall health, even if it is just temporary. They may be associated with your family’s medical history, or with conditions such as: The hyperactivity in the nerves can produce aura symptoms that are visual-, sensory- or speech-related, depending on the area of the brain in which the nerves are located.Īccording to experts, aura is not caused by a lack of blood flow to the brain.Įpileptic auras (seizures with aura) do not always have a direct known cause. When a migraine advances, the nerves in the brain become increasingly activated. It is important to note that seizures can occur without aura as well. This is considered part of the seizure itself and is also referred to as a simple focal seizure or partial seizure. Some seizures come with aura as a warning sign. Many who have migraine aura may have symptoms for 20 minutes to an hour, though it can be different for each person and each experience. SEE RELATED: Ocular migraines and visual migraines explained How long does aura last?Īura may be as short as a few seconds or last up to an hour ahead of a migraine or seizure. How does aura affect vision?Īura can affect your eyesight in several ways, often causing changes and disturbances in your field of vision. If you experience migraines or seizures often, you may find that you encounter similar warning signs on each occasion, although this is not the case for everyone. Symptoms can occur separately or in combination. Olfactory hallucinations such as unusual smells Problems with speech such as mumbling or slurringĪuditory hallucinations such as hearing voices and other noises Tingling or numbness on one side of your body or face There are a number of symptoms of aura that can affect your body in varying ways, including: Some people may not have aura before a migraine (it affects about one in three migraine sufferers) or a seizure, while others may be well acquainted with its effects. Aura is actually considered part of a seizure, and is also referred to as a simple focal seizure or partial seizure.Īura can interfere with all of your body’s senses, whether it be vision-, sensory-, speech- or language-related. This group of symptoms is known as aura - a warning sign that can last anywhere from a few moments to an hour before an event such as seizure or migraine occurs. Before experiencing a seizure or migraine, people often experience a wave of sensory disturbances, ranging from nausea and hallucinations to feelings of numbness.
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