reflex

His team, attempting to create and erase a memory in aplysia, periodically delivered mild electric shocks to train the mollusk to prolong a reflex, one where it withdraws, upon touch, its siphon, a little breathing tube between the gill and the tail.

Glanzman’s team went back to their aplysia and trained them over two days to prolong their siphon-withdrawal reflex.

What’s more, the snakes have hackedtheir prey’s natural escape reflexes.

That’s why a snapping twig can activate the fight-or-flight reflexes that make us scream.

The position of the testes is a reflex controlled by the cremaster muscle, which brings them closer to the body in colder temperatures to maintain the warmth needed for sperm production.

But when a serial sex predator is playing fanboy, the gag reflex kicks in.

Worry has become as automatic a reflex as breathing in your sleep.

Then came the moment when a reflex born of a lifetime with a badge caused him to check the door window at the end of the car.

He is quite a bundle of stimulus and reflex, with no reflection.

The term Affluenza caused a national gag reflex—and as a doctor I can assure you that, no, Affluenza is not a real affliction.

Even if I were to be shot, the reflex action of my fingers would pull the trigger of this revolver and McGinty will die.

The reflex excitability is lowered and the sensibility diminished.

It came, I think, out of just such an automatic reflex as causes an "opening" in conversation to call forth its own obvious reply.

The reflex action on his sensitive mind first stunned, and then warped his senses.

Such a physiological relation of things is termed reflex action.