Sexual dysfunction is not only a common symptom in major depression but also a frequent side-effect of antidepressant medication, mainly of the selective serotonin reuptake-inhibitors (SSRI) that are often prescribed as a first line treatment option. Despite of the increasing incidence and prescription rates, neuronal mechanisms underlying SSRI-related sexual dysfunction are poorly understood and investigations on this topic are scarce. Neuroimaging techniques, mainly functional magnetic resonance imaging (fMRI), provide a feasible approach to investigate these mechanisms since SSRI-related sexual dysfunction is most likely related to central nervous processes. This review summarizes the recent literature regarding the basic clinical findings and imaging correlates of antidepressant-related sexual dysfunction linking brain regions and networks potentially involved to phases and subcomponents of sexual processing and antidepressant action. In particular, fMRI studies on SSRI antidepressants including paroxetine and SNRIs including bupropion are highlighted.
Keywords: Antidepressants; Neuroimaging; SSRI; Sexual dysfunction; fMRI.
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