Exam 4: B: Sensation and Perception

Caleb has good vision and can easily recognize common objects.However,he cannot recognize people by looking at their faces.For example,Caleb often relies on the sound of her voice to be certain he is talking to his wife and not another person.Caleb suffers from a rare disease called _______________.

The coloured part of the eye that contains muscles to contract or expand the pupil is the ____________.

During a break from his job as a waiter,Barnardo begins to read Hamlet and is so engrossed in the play that he fails to notice the clattering of dishes all around him.This is an example of _______________.

Karen has suffered from phantom limb pain for several years.She visits a neurologist who proposes trying a therapeutic treatment that has been proven to be effective.Karen is surprised that this simple treatment uses

In a signal detection task,the participant says that he detected a signal and a signal was present.This is called a ____________.

Bumps on the tongue called __________ contain numerous __________ .

The visual information from each eye is split at the __________________,with half of the nerve fibres from each eye projecting to each half of the brain.

An increase in the frequency of sound waves will correspond most directly to an increase in __________.

As we listen to music on the radio or on our iPods,we often are more aware of the arrangement of tones into melodies rather than just focusing on the individual notes.This auditory perception is compatible with the principles established by _____________.

Rods and cones are both types of _________.

As she watches her granddaughter's dance recital,Patty perceives two separate groups of dancers.Her granddaughter's group wears bright turquoise costumes with gold accents and the other group wears bright gold costumes with turquoise accents.Patty perceives the girls as belonging to two different groups due to the Gestalt principle of ____________.

Light receptors that help us to see best at night are the __________.

Brightness refers to the intensity of light.The corresponding term when discussing sound is __________.

The process by which rods and cones become more sensitive to light in response to lowered levels of illumination is called ______________.

According to the ________________ principle,when we look at an image,we tend to perceive some parts as standing out and other parts as being part of the background.

According to the gate-control theory of pain,which of the following would be an effective way to decrease the pain of banging your elbow?

Visual distance and depth cues that require the use of both eyes are called _______________.

When Bethany steps on her digital scale,a mechanism in it measures the physical pressure pushing down on the scale and converts it into an electrical signal that can be read by the scale.The converting of the physical pressure on the scale caused by Bethany's weight into an electrical signal is similar to the process of ____________.

Prosopagnosia is the inability to

In a signal detection task,the participant says that he detects a signal when no signal is present.This is called a __________.