Hello,
I know that the sensory cortex in the postcentral gyrus collects sensory information from different parts of the body, but in all the drawings and explanations, I see that it only gathers information from the surface of the body.
Which part of the brain gathers information from our...
I am wondering how many neurons would need to fire approximately in a human brain in order for the eye to blink, or for example, for a head to nod?
And I am referring directly to just the motor act, not all the internal brain processes that might lead to an eye blink. And I am not necessarily...