The Neuron and Neural Firing

AP Psychology· difficulty 4/5

Selective serotonin reuptake inhibitors (SSRIs) treat depression by

A
$Stimulating GABA receptors directly$
B
$Replacing all dopamine with serotonin$
C
$Blocking the reuptake transporter so serotonin remains longer in the synaptic cleft$
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D
$Permanently destroying serotonin neurons$

Explanation

SSRIs prolong serotonin signaling by inhibiting the SERT reuptake protein, allowing greater postsynaptic receptor activation.

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