Exam 5: Sensation and Perception

Alexis is participating in a perception experiment where she will be paid $10 for every letter she sees flashed briefly on a computer screen. If Alexis says there is a letter but there is not, she is not penalized - she just does not receive $10 for those responses. Given this situation, Alexis will do well financially to use a ______ decision criterion.

Some birds of prey have such exceptional visual acuity that they can see small animals from thousands of feet in the air. Visual acuity is greatest when an image projects directly onto a small area of the retina that contains no rods but many cones. Some birds of prey have more than one of these areas. The area is called a

The psychological term "perception" specifically refers to the process in which _______________.

The process whereby brightness sensitivity progressively improves under conditions of low illumination is called ________________ adaptation.

What does a relatively small Weber fraction mean?

The three tiny bones located in the middle ear named the anvil, the hammer, and the stirrup serve what function?

The depth perception cues that require the use of only one eye are called

The Young-Helmholtz trichromatic theory of colour vision assumes that

_____ theory explains the coding of _____ as a function of the location in the cochlea at which the hair cells are most strongly bent.

Brad is a 5-year old boy who loves horses. In fact, he has been taking riding lessons since he was able to walk. On a drive in the country one day, Brad saw an animal off in the distance and immediately decided it was an Appaloosa, a particular breed of horse. In this case, Brad was using __________.

A friend holds up an object in front of you and you immediately identify it as a cellular telephone. Which of the following is most responsible for your ability to do this?

How do psychologists differentiate between sensation and perception?

Researchers have made use of all the following when developing sensory prosthetic devices for blind individuals, EXCEPT _______________.

The Weber fraction for a hawk's ability to see differences in brightness is about 1/100. About how much would the light have to change in order for a hawk to notice a brightness difference?

Describe the frequency and place theories of pitch perception. In what sense are both theories correct?

Two senses whose receptors respond to chemical molecules rather than energy forms are

Dr. Haller is conducting an experiment related to vision. He places his subjects in a dark room and after they have acclimated, he presents them with visual stimuli of varying strengths and attempts to determine the minimal amount of light that people can detect. Dr. Haller is specifically trying to determine a(n)

The depth perception cues that require the use of both eyes are called _______________.

Think of the psychology professor who is teaching this class. Does this person seem like a typical college professor to you? In answering this question, you are most likely making use of ______.

Fear and expectation were discussed as playing a significant causal role in the creation of