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Exam 4: Sensation and Perception

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Question 51

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In the visual system,the main function of rods and cones is to

A) maintain the shape and structure of the eye.
B) reduce the amount of light entering the fovea.
C) transmit light energy to the iris and the pupil.
D) convert light into electrochemical impulses.

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Question 52

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Which of the following statements is true of sensation?

A) It differs from perception in that it does not require receptor cells.
B) It is the process of transmitting neural energy into the external environment.
C) It is the process of organizing information so that it makes sense.
D) It is given meaning by the brain through perception.

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Question 53

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In the context of perception,_____ processing involves starting with a sense of what is happening and then applying that framework to incoming information from the world.

Which of the following is a disadvantage of the trichromatic theory of color vision?

When shopping for their brother,Jack and James are presented with a red shirt by the sales person.While Jack likes the shirt,James dislikes the shirt.In this scenario,even though the color of the shirt is the same,Jack and James disagree because of differences in their _____ of the shirt.

Which of the following sensory processes is most activated when a person is listening to a song?

What is the most dangerous threat with respect to the sense of hearing?

_____ is the term given to irrelevant and competing stimuli.

In the context of the auditory system,the frequency of sound waves is measured in decibels.

In the context of the opponent-process theory of color vision,afterimages refer to

Thomas,a war veteran,still experiences occasional aches in the arm that was amputated when he was injured in a war.In the context of sensory receptors and the brain,Thomas's condition best illustrates the phenomenon of

The tympanic membrane vibrates in response to sound.

In the context of sensory receptors and the brain,a person's ability to sense future events is known as

Rachel jogs in the morning.Her friend,who is jogging behind her,only has a 50 percent chance of calling out to her when she is 15 feet away from her.In this scenario,Rachel's _____ for detecting her friend's call is at a distance of 15 feet.

Nathan is being tutored by one his classmates,Sarah.Nathan wants to ask Sarah to the prom but does not know whether she is interested in him.He looks out for signals of encouragement from her and realizes that she does not have a date for the prom.He also notes that she often calls him on the telephone just to talk and joins him for lunch on most days.This encourages Nathan to ask Sarah out and when he does,she says yes. According to the signal detection theory,this outcome can best be labeled as a

The place on the retina that contains neither rods nor cones is where the

In the auditory system,the hammer,anvil,and stirrup are an intricately connected chain of the three smallest _____ in the human body.

When Taylor sees a German shepherd standing thirty feet from him,he still recognizes its height even though the image of the dog on his retina is much smaller than the dog's physical height.This scenario best illustrates the phenomenon of

In the auditory system,which of the following structures of the middle ear is connected to the oval window?

In the context of the auditory system,what is a cochlear implant?