<prompt> Mechanism of action Tianeptin in the brain is -Selective scrotonin reuptake inhibitionSelective norepinephrine reuptake inhibitionSelective serotonin reuptake enchancerSelective dopamine reuptake inhibition  <response>: Ans. is c i.e., Selective serotonin reuptake enhancer o Tianeptine is an atypical antidepressant. o It increases the uptake of serotonin Action opposite to SSRI. 