A 24-year-old female is diagnosed with Generalized Anxiety D…
A 24-year-old female is diagnosed with Generalized Anxiety Disorder (GAD) and is started on Escitalopram (Lexapro). The PMHNP explains that the medication works by increasing the availability of serotonin in the synaptic cleft. Which of the following best describes the primary therapeutic action of serotonin within the central nervous system?