CH 10 part 4
1. Imagery neurons respond to a. all visual images. b. only visual images in a specific category. c. an actual visual image as well as imagining that same image. d. concrete mental images but not abstract mental images.
C
1. Suppose we ask people to perform the following cognitive tasks. Which is LEAST likely to strongly activate the visual cortex? a. Imagine the meaning of the word "ethics." b. Imagine your car first from far away and then how it looks as you walk closer to it. c. Imagine a typical unsharpened pencil. Approximate its length in inches. d. Imagine a tic-tac-toe game proceeding from start to finish.
A
1. Your text describes the case of M.G.S. who underwent brain surgery as treatment for severe epilepsy. Testing of M.G.S. pre- and post-surgery revealed that the right visual cortex is involved in the a. size of the field of view. b. recognition of objects in the left side of space. c. ability to visually recognize objects. d. ability to draw objects from memory.
A
1. A circular plate rests at the center of a small square table. Around the table are a total of four chairs, one along each side of the square table. A person with unilateral neglect sits down in one of the chairs and eats from the plate. After he is "finished," he moves to the next chair on his right and continues to eat from the plate. Assuming he never moves the plate and he continues with this procedure (moving one chair to the right and eating) how many chairs will he have to sit in to eat all the food on the plate? a. 4 b. 3 c. 2 d. 1
B
1. Amedi and coworkers used fMRI to investigate the differences between brain activation for perception and imagery. Their findings showed that when participants were_____, some areas associated with non-visual sensation (such as hearing and touch) were_______. a. using visual images; activated b. using visual images; deactivated c. perceiving stimuli; activated d. perceiving stimuli; deactivated
B
1. Perky's experiment, in which participants were asked to "project" visual images of common objects onto a screen, showed that a. imagery and perception are two different phenomena. b. imagery and perception can interact with one another. c. there are large individual differences in people's ability to create visual images. d. creating a visual image can interfere with a perceptual judgment task.
B
1. Ganis and coworkers used fMRI to measure brain activation for perception and imagery of objects. Their results showed that a. there is no difference between the activation caused by perception and by imagery. b. perception and imagery activate the same areas near the back of the brain, but imagery activates more of the frontal lobe than does perception. c. perception and imagery activate the same areas of the frontal lobe, but imagery activates more of the back of the brain than perception does. d. perception and imagery activate the same areas of the frontal lobe, but perception activates more of the back of the brain than imagery does.
D
1. Kosslyn's transcranial magnetic stimulation experiment on brain activation that occurs in response to imagery found that the brain activity in the visual cortex a. is an epiphenomenon. b. can be inferred using mental chronometry. c. supports the idea that the mechanism responsible for imagery involves propositional representations. d. plays a causal role in both perception and imagery.
D
1. To explain the fact that some neuropsychological studies show close parallels between perceptual deficits and deficits in imagery, while other studies do not find this parallel, it has been proposed that the mechanism for imagery is located at________visual centers and the mechanism for perception is located at_______visual centers. a. lower; higher b. higher; lower c. both lower and higher; higher d. higher; both lower and higher
D
1. Your text describes imagery performance of a patient with unilateral neglect. This patient was asked to imagine himself standing at one end of a familiar plaza and to report the objects he saw. His behavior shows a. neglect manifests itself in perception only, not in imagery. b. neglect occurred in imagery such that some objects in the plaza were never reported. c. neglect involved both the left and right sides of the visual field, with an apparently "random" agnosia of different components of the fields. d. neglect always occurred on the left side of the image, with "left side" being determined by the direction in which the patient imagined he was positioned.
D