The startle response is a sudden, reflex-like response to an unexpected stimulus, such as a loud noise or bright light. It is an unlearned and largely unconscious defense mechanism shared by animals ...

The fencing response and seizures are two rare yet serious effects of traumatic brain injury (TBI). They can occur separately or together. The fencing response is an involuntary postural response that ...

Add Yahoo as a preferred source to see more of our stories on Google. These days, they say "no" is a complete sentence, but is no response actually a response? After all, might it be a way to align ...