Summary: A new study overturns the traditional view that the brain solely directs male sexual behavior while the spinal cord executes ejaculation. Researchers identified Galanin-expressing spinal neurons that both drive ejaculation and regulate arousal, integrating sensory input, brain feedback, and internal states. In mice, these neurons influenced pacing, coordination, and even the refractory period, suggesting a more active role for …
Read More »Spinal Cord Found to Shape Arousal and Sex
