PSYCH Ch. 4

This is the curved, tough, protective transparent shield on the front of the eye through which light enters.

Cornea

Car alarms that change from a siren to a honking horn and back again are attempting to prevent _____.

habituation

The iris is the colored part of the eye that controls the opening of the _____.

pupil

_____ is your ability to judge distance and perceive three dimensional space.

Depth perception

_____ is the readiness to perceive in a particular manner, based on expectations.

Perceptual set

_____ refers to a binocular cue that comes from the separation of the eyes, which causes different images to fall on each retina

Retinal disparity

A false impression of the environment is called _____.

an illusion

The structure that funnels sound from the outer ear is the _____.

auditory canal

Sensory receptors are _____.

cells specialized to receive and process distinct sensory information

The fluid-filled structure that contains receptors for hearing is the _____.

cochlea

Converting sensory inputs into different sensations is the process known as _________.

coding

The cones on the retina are sensitive to _____.

color and fine detail

Transduction is the process of converting _____.

environmental stimuli into neural impulses

Farsightedness occurs when the cornea and lens _____.

focus an image behind the retina

The point on the retina that contains only cones and is responsible for our sharpest vision is called the _____.

fovea

A subliminal stimulus refers to any stimulus that _____.

is presented below the threshold of a person's conscious awareness

Your balance, or the ability to know your body orientation and position with respect to gravity and three-dimensional space, is provided by the _____ sense.

kinesthetic

Posture, orientation, and body movements are part of the _____.

kinesthetic sense

Vision and hearing are a result of our perception of __________________.

light and sound waves

The tendency for the environment to be perceived as remaining the same even with changes in sensory input is called _____.

perceptual constancy

Natural body scents that may affect the behavior of others, including sexual behavior are called _____.

pheromones

The theory that explains how we hear higher-pitched sounds is the:

place theory

The theory of color vision proposed by Thomas Young that says color perception results from mixing three distinct color systems is called the _____.

trichromatic theory

A binocular cue is one which requires _____ to perceive depth or distance.

two eyes