Exam 3: Sensation and Perception

Noise is background stimulation that interferes with the perception of other stimuli.

The _____________ is a vibrating structure that runs through the center of the cochlea,dividing it into an upper chamber and a lower chamber and containing sense receptors for sound.

_____________ is an adjustment in sensory capacity after prolonged exposure to unchanging stimuli.

___________ law explains why a person in a quiet room is more startled by a knock at the door than a person in a noisy room.

Perceptual constancy keeps us from being misled by what we see.

The ___________ is a coiled tube in the ear filled with fluid that vibrates in response to sound.

Explain the trichromatic theory of color vision.

Scientifically,explain a blind spot.

The issue of how the intensity of a stimulus influences our sensory responses is considered in a branch of psychology known as _______________.

The theory that relies on the fact that perception consists of the progression of recognizing and processing information from individual components of a stimuli and moving to the perception of the whole is called _______________________.

Select the correct statement:

Adaptation is an adjustment in sensory capacity after prolonged exposure to changing stimuli.

Perceptual constancy is a phenomenon in which physical objects are perceived as unvarying and consistent despite changes in their appearance or in the physical environment.

The _______________ are tiny cells covering the basilar membrane that,when bent by vibrations entering the cochlea,transmit neural passages to the brain.

There are certain individuals who are unable to distinguish colors.These people suffer from __________________.

The _______________ is the minimum change in stimulation required to detect the difference between two stimuli.

The retina consists of a thin layer of nerve cells at the back of the eyeball.There are two kinds of light-sensitive receptor cells in the retina.They are _________ and _________.

The optic nerves from each eye meet at a point roughly between the two eyes called the ______________________.

Adaptation is an adjustment in sensory capacity after prolonged exposure to unchanging stimuli.

The theory that suggests that there are three kinds of cones in the retina,each of which responds primarily to a specific range of wavelengths,is known as the ____________ theory of color vision.