body senses that include our ability to touch, feel pain, warmth and changes in our body posture and movement.
free nerve endings
Sensory receptor cells in the skin that detect pressure, temperature, and pain.
two point discrimination threshold
the minimum distance that must exist between two points for them to be perceived as separate stimuli.
phantom limb pain
occurs when a limb is lost, yet the sensation of pain in the limb still remains
the body contains sensory cells outside of the skin, including the gut, brain, bones, and muscles.
provide sensory information regarding the degree to which muscle cells are stretched.
the senses of equilibrium and body position in space
in the inner ear, allows for the detection of changes in the acceleration in three dimension.
Three semicirular canals
one for each dimension (up/down, left/right, forward/back). Change in movement causes fluid inside the canal to move, activating cells inside.
uses crystal-filled fluids to detect the tilt of the head.