Psychology and Sensation Terms

Front

vestibular

Back

the sense of body movement and position, including the sense of balance

Front

kinesthesis

Back

the system for sensing the position and movement of individual body parts

Front

selective attention

Back

The focusing of conscious awareness on a particular stimulus

Front

cocktail party effect

Back

Phenomenon where in a group we can focus on a conversation in a large group

Front

weber's law

Back

(difference threshold) The change needed is proportional to the original intensity of the stimulus. (5% for sound, 8% vision)

Front

fovea

Back

the central focal point in the retina, around which the eye's cones cluster

Front

semicircular canals

Back

three fluid-filled canals in the inner ear responsible for our sense of balance

Front

difference threshold (just noticeable difference)

Back

the minimum difference between two stimuli required for detection 50 percent of the time

Front

transduction

Back

conversion of one form of energy into another. In sensation, the transforming of stimulus energies, such as sights, sounds, and smells, into neural impulses our brains can interpret.

Front

Lens

Back

The transparent structure behind the pupil that changes shape to help focus images on the retina.