Brain scans show that patients with a history of panic attacks had 22% lower concentration of _______ in the occipital cortex than patients without panic disorder.

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Brain scans indicate that patients with a history of panic attacks have a 22% lower concentration of GABA (gamma-aminobutyric acid) in the occipital cortex compared to patients without panic disorder. GABA is a major inhibitory neurotransmitter in the brain, involved in reducing neuronal excitability throughout the nervous system.

Brain Scans Show That Patients with a History of Panic