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What has research on the causes of anxiety revealed? people prone to anxiety have excess of gaba. deficiencies in gaba lead to reduced activation in certain brain regions. deficiencies in gaba lead to overactivity of wernicke's area. people prone to anxiety are deficient in receptors for gaba?

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(D) is the most correct answer. People who experience anxiety disorders tend to be deficient in the neuroreceptors for GABA, and the overabundance of this neurotransmitter in the brain tends to lead to anxiety symptoms. Having a medication that alleviates this overabundance can be one way to negate the symptoms associated with anxiety disorders.