Exam 3: Sensation and Perception

The lowest level of stimulation that a person can consciously detect 50 percent of the time the stimulation is present is called the __________ threshold.

The shortest wavelengths that we can see are experienced as __________ colors.

In nearsightedness, the image is focused __________.

__________ involves the detection of physical stimuli from our environment and is made possible by the activation of specific receptor cells.

XX XX XX    XXXXX XX XX XX    XXXXX XX XX XX    XXXXX In viewing the items above, seeing three columns of Xs on the left versus three rows of Xs on the right can be explained by the Gestalt principle of __________.

People's tendency to perceive a thing a certain way because their previous experiences or expectations influence them is called __________.

The visible spectrum refers to the __________.

Perceiving incomplete objects as complete defines the Gestalt principle of __________

If Tabitha closes her eyes when she rides in her parents' car, she can still tell that the car is moving. This is due to the movement of tiny crystals in the __________.

Substance P is related to the sense of balance.

The lowest intensity of a particular stimulus that enables the average person to detect that stimulus 50 percent of the time it is presented is called the __________.

Harper jumps out of bed at the sound of the alarm clock. As she reaches her feet, she feels very dizzy for a few seconds. As her system readjusts to her standing, she begins to regain her sense of balance. The source of Harper's dizziness is probably in the __________ senses.

The place in the retina where the axons of all the ganglion cells come together to leave the eye is called the __________.

Which pairing of name and property of light is correct?

Professor Bergstrom wants to know how loud a certain noise must be in order to be heard from a distance of 50 feet. This question involves the concept of __________.

__________ refers to the vividness or richness of a hue.

The human olfactory system contains about __________ olfactory receptors.

The physical stimuli for the sense of hearing are called __________ waves.

You will likely see "XXX XXX XXX" as three groups of "X" rather than one group of nine "X"s. This example illustrates which of the following Gestalt laws?

The place theory and the frequency theory help to explain how __________.