I've been trying to find a comprehensive explanation concerning the nature of the 'delay' in neurons' delayed rectifier potassium channels. As it's written in my intro to neuroscience textbook, these channels are voltage gated and become activated when the typical neuronal membrane reaches an ele...

If the brain sends a signal to move what's the time it takes the signal to travel via neurons to motor neurons in hands, arms and legs? How fast do those signals travel?

Have a look to this question: http://stats.stackexchange.com/questions/117495/consequence-of-order-in-a-survey I wonder if it's more correlated to the science of cognition or to the pure statistics. Can you give me a suggestion?