@glennf @itty53 @clive
Most people feel like they have agency, but the renowned neuroscientist Robert Sapolksy argues we do not.
https://www.newscientist.com/article/2398369-why-free-will-doesnt-exist-according-to-robert-sapolsky/

Regardless of if that assertion is true or not, there are many types of brain injury and dysfunction that result in uncontrollable behaviour.