Category: A

Blinking of the eyes (contraction of the orbicularis oculi muscle) when the forehead just above the bridge of the nose is tapped. In most people, blinking stops after a few taps on the forehead. If it does not, significant brain disease may be present, e.g., Parkinson’s disease or any disease that causes frontal lobe atrophy.…

Flexion of a body part in response to a painful stimulus.  

A quick and brief extension of a limb on application of pressure to the plantar surface.  

Extension of the great toe when the sole of the foot is stimulated.  

A typical reflex common to all vertebrates; includes the postural, flexion, stretch, and extensor thrust reflexes.  

An involuntary response in the elbow region to stimulation of the biceps and triceps muscles.  

Slowing of the heart rate when the head is immersed in water. This reflex helps to protect a person from drowning, especially during immersion in cold water.  

Sudden flexion of the terminal phalanx of a finger or thumb when the nail is suddenly tapped.  

A reflex that does not occur until several seconds after the application of a stimulus.  

An extension of the lower extremity on the opposite side when a painful stimulus is applied to the skin.