reflex
reflex response
reflex action
instinctive reflex
innate reflex
inborn reflex
unconditioned reflex
physiological reaction

For this to work, he needed the patrol car so close there was room only for reflex response.

It is thought that these fish attack in a reflex response to a sudden movement or splash.

"That's a reflex response they sometimes have to the fluid being disturbed," the doctor said.

This reflex response can be used to study bee learning and memory in the context of foraging.

Pulled enough to set up a reflex response in my involuntary nervous system.

"Bipartisan cooperation isn't the reflex response right now," the official said.

When the patient moves away from a stimulus and exhibits more than a reflex response.

Classical conditioning, where the behavior becomes a reflex response to stimulus.

Sometimes, though, a man is forced into pure reflex response.

Touching the soft palate can lead to a similar reflex response.