What happens in your brain during orgasm

For something that happens to a significant portion of the human population on a fairly regular basis, orgasm is remarkably under-explained. We know it feels good. We know it can be elusive. What most of us don't know is what is actually happening neurologically when it occurs, which turns out to be considerably more interesting than the gap in our education would suggest.

More than 30 distinct brain regions are active during orgasm.

THIRTY.

To put that in perspective, your brain is working harder during orgasm than it does filing your taxes, parallel parking, and remembering where you left your keys. Combined. The genital sensory cortex processes physical sensation. The cerebellum coordinates the involuntary muscle contractions. The hypothalamus floods the body with oxytocin. The thalamus, which acts as the brain's central relay station for sensory information, is running throughout.

And then there is what goes quiet.

The lateral orbitofrontal cortex, the part of the brain most associated with self-monitoring, social judgement, and behavioural control, shows marked deactivation. Researchers at the University of Groningen captured this using PET scans and found it to be one of the defining features of orgasm. Your inner critic, the part that wonders if you look strange or sound odd or should have replied to that email, goes offline. "Letting go" is not a metaphor. It is a precise neurological description of what the brain does.

Which explains, with some elegance, why anxiety is so effective at preventing orgasm. If the brain cannot sufficiently quiet its monitoring functions, the full cascade of activity that orgasm requires simply does not complete. The barrier is not physical. It is the self-surveillance system refusing to stand down, which means that felt safety and quality of attention are not soft prerequisites. They are neurological ones.

Dopamine peaks at climax, which is why the experience carries such a strong quality of reward. Oxytocin follows in quantity, producing the particular calm afterwards: the drowsiness, the lowered pain sensitivity, the sense that the nervous system has exhaled. Serotonin arrives in the refractory period, which is why the time after orgasm often feels quietly satisfied rather than simply spent.

Which also explains, incidentally, why falling asleep afterwards is so difficult to resist. The orbitofrontal cortex has gone quiet, dopamine has peaked and is receding, oxytocin has settled the nervous system, and serotonin is now gently doing its work. The brain has just run an extraordinary coordinated event and is, quite reasonably, winding down. That pull toward sleep is not laziness. It is the entire system returning to baseline, unhurried, having done something genuinely complex. Just enjoy it

;)