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Showing 1 to 1 of 1 for “"Serotonin -- Antagonists -- Physiological effect."”.
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5,7-dihydroxytryptamine lesions of the rat amygdala increase learned fear behavior.
… result in enhanced fear and anxiety behaviors. Serotonin (5-HT) is also implicated in fear and anxiety disorders, plus, 5-HTergic innervation of the LA is inhibitory. Reduction in 5-HTergic control may induce hyperexcitation, suggesting a 5-HTergic mechanism in fear and anxiety disorders. This …