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Time course of regional brain activity following i.v. injection of [18F]SPA-RQ. Data represent the averaged time activity curves of test and retest scans of all eight subjects. Activity is shown as %SUV (standardized uptake value), which normalizes for injected activity and body weight. Cerebellum (●); striatum (엯); prefrontal cortex (◻); temporal cortex (◇); parietal cortex (×); occipital cortex (+); thalamus (▵).
