Fig. 1From: Manipulating facial musculature with functional electrical stimulation as an intervention for major depressive disorder: a focused search of literature for a proposalBilateral functional electrical stimulation of facial muscles. Cutaneous electrode placement for the functional electrical stimulation of bilateral zygomaticus major and orbicularis oculi muscles for the treatment of major depressive disorder. Created with BioRender.com, RRID:SCR_018361.Back to article page