Mindblown: a blog about philosophy.

An unconditioned reflex; an innate or inherited reflex.  

Sudden inspiration resulting from abrupt pressure below the costal border.  

Slowness of the relaxation phase of deep tendon reflexes; present in hypothyroidism.  

Any reflex in which the stimulation of a sensory nerve causes the heart rate to increase or decrease. An example is the Bainbridge reflex, in which stimulation of sensory receptors in the right atrium by increased venous return results in an increase in heart rate.  

Contraction of the gluteal muscles from stimulation of the overlying skin.  

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.