[¹⁸F]F13640, a 5-HT_1A Receptor Radiopharmaceutical Sensitive to Brain Serotonin Fluctuations.

The pre-administration of d-fenfluramine induced a highly significant decrease of agonist radiotracer signal, and the blocking rate calculated was higher for hippocampus, anterior cingulate cortex and dorsal raphe in comparison with the previous ex vivo autoradiography study (58%, 60%, and 55%, respectively) ( Vidal et al., 2018a ).

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