Exam 6: Exstintion: Sensation and Perception

Which of the following could be thought of as the neurological equivalent of the Morse code?

The receptor cells for taste send tiny fibers out through an opening in the taste bud.

The human nose can detect aromas that the most sophisticated machines fail to detect.Explain what happens when you inhale vapors (airborne chemical molecules)from a rose.

Which of the following is NOT an accurate description of taste?

The part of the eye that gives it color is the:

Pain remains a mystery in the field of psychology.Describe the gate-control theory and note its limitations.Include a discussion of phantom pain in your answer.How has Melzack revised this theory?

Keegan notices that his favorite 55-cent candy bar seems lighter than usual and so he checks the label and finds that it is lighter by ½ ounce.He decides to buy a larger candy bar instead and doesn't notice that the 99-cent candy bar also is lighter by ½ ounce.Keegan's behavior illustrates the fact that:

The _______________ protects the eye and bends incoming light rays toward a lens located behind it.

People who are born with a rare condition that prevents them from feeling pain often die at an early age because they don't feel pain's warning signals.

Normally,kinesthesis and equilibrium work together to give us a sense of our own physical reality.But when they do not,the consequences are profound.What happened to Christina's experience of physical reality after the inflammation that damaged her kinesthetic nerve fibers?

Light travels in the form of waves,and these waves affect three aspects of our visual world.Describe,in detail,the three aspects that are psychological dimensions of our visual experience.

In signal detection tasks,naysayers will have more hits than yea-sayers.

Shorter light waves tend to be seen as orange and red.

Which of the following is NOT one of the characteristics of sensation?

The authors of your textbook note that variety is not only the spice of life,it also is the essence of sensation.Explain what they mean in detail,giving two specific examples to illustrate your points.

It is most difficult for humans to localize sounds that are coming from directly in back of them or directly above their heads.

Batters simply go batty when Ryan steps onto the pitcher's mound because they dread his rising fastball and his breaking curveball.What do these pitches look like? How might this perceptual illusion occur?

Liana is listening to National Public Radio when the satellite feed momentarily goes out.Despite the short interruption,she was able to understand the conversation.This would be an example of the Gestalt principle of:

Jan is worried about the exposure to noise on the job and feels it would be best to work less than 2 hours a day under his present work conditions.His concern would be justified if Jan was employed:

Peripheral vision (side vision)is handled by the cones.