AP Psychology terms chapter 5

226675660	absolute threshold	the minimum amount of physical energy necessary to produce a sensation
226675661	anosmia	loss or impairment of the sense of smell.
226675662	Beta-endorphin	a natural, painkilling brain chemical similar to morphine
226675663	Brightness	the intensity of lights or colors
226675664	cochlea	the snail-shaped organ that makes up the inner ear
226675665	conduction deafness	poor transfer of sounds from the eardrum to the inner ear
226675666	Cones	visual receptors for colors and daylight visual acuity
226675667	cornea	transparent membrane covering the front of the eye
226675668	difference threshold	a change in stimulus intensity that is detectable to an observer
226675669	dynamic touch	touch experienced when the body is in motion; a combination of sensations from skin receptors, muscles, and joints
226675670	fovea	an area at the center of the retina containing only cones
226675671	gustation	the sense of taste
226675672	hue	classification of colors into basic categories of red, orange, yellow, green, blue, indigo, and violet
226675673	hyperopia	difficulty focusing nearby objects
226675674	iris	circular muscle that controls the amount of light entering the eye.
226675675	kinesthetic senses	the senses of body movement and positioning
226675676	lock and key theory	holds that odors are related to the shapes of chemical molecules
226675677	myopia	difficulty focusing distant objects
226675678	nerve deafness	deafness caused by damage to the hair cells or auditory nerve.
226675679	olfaction	the sense of smell
226675680	opponent-process theory	states that a strong emotional state tends to be followed by an opposite emotional state; also, the strength of both emotional states changes over time
226675681	peripheral vision	vision at the edges of the visual field.