CH. 3 - SENSATION & PERCEPTION

1

100

What is the tendency of the brain to stop attending to constant, unchanging information

Habituation

200

The tendency of sensory receptor cells to become less responsive to a stimulus that is unchanging is

Sensory Adaptation

300

Which monocular cue is the tendency for parallel lines to appear to converge on each other?

Linear Perspective

400

The distance cue in which faraway objects appear to be hazy and have a blurred outline is called the?

Aerial Perspective

500

The tendency for surfaces to appear to become smoother or finer as the distance of the viewer increased. 

Texture Gradient

2

100

the part of the retina is responsible for seeing and processing color?

Cones

200

What part of the eye bends light waves so the light can be focused on the retina?

The Cornea

300

The Opening in the center of the iris is called the?

Pupil

400

The minimum intensity of stimulation needed to produce any sensations is called the?

Absolute Threshold

500

The tendency to interpret an object as always being the same actual size, regardless of distance

Size Constancy

3

100

Red, Blue, Green = what theory of processing color

Trichromatic Theory

200

How soft or loud the volume is referred to as?

Amplitude

300

The physical stimuli for the sense of hearing are called _______

Soundwaves

400

Purity and Richness of a hue is known as its?

Saturation

500

The rotation of the two eyes to focus in on a single object

Convergence

4

100

Frequency is measured in ?

Hertz

200

Is the environment part of the perceptual set? True or False. (Name all 5 for an additional 200 pts)

False ( Experiences, Expectations, Mood, Cultural Norms, Context)

300

Name the 3 bones of the middle ear

Hammer (Malleus), Anvil (Incus), Stirrup (Stapes)

400

A process that occurs when special receptors in the sensory organs are activated, allowing forms of outside stimuli to become neural signals in the brain

Sensation

500

The theory that states the pitch is related to the speed of the vibrations in the basilar membrane

Frequency Theory

5

100

The visible part of the ear is called the?

Pinna

200

The smallest change in stimulation that can be detected 50 percent of the time is called? 

Just Noticeable Difference (Difference Threshold)

300

Hearing begins when sound waves bump against the ?

Tympanic Membrane (Ear drum)

400

The perception of motion in which close objects appear to move more quickly than objects that are farther away is called?

Motion Parallax

500

The method by which the sensations experienced at any given moment are interpreted and organized in some meaningful fashion

Perception