The sudden startle response is not twitching. Two totally different things. Sudden startling response is jumping, or being scared by loud noises, people coming up behind you, etc...Twitching is an uncontrolled muscle spasm that can happen anywhere in the body and can be brought on by different things (stress, excitement.. who knows? lol)
Just wanted to clarify the difference here...
bec
Just wanted to clarify the difference here...
bec