Quiz 20

According to the concept of topographical mapping, which of the following stimuli encountered on a beach trip will activate the farthest forward in the visual cortex?

A large pink beachball on your towel

Suppose we asked people to form simultaneous images of two or more animals. Then, we ask them basic questions about the animals. F or example, we might ask if a rabbit has whiskers. Given our knowledge of imagery research, we would expect the fastest response to this question when the rabbit is imagined alongside a(n)

Bumblebee

Kosslyn concluded that the image field is limited in size. This conclusion was drawn from the ___________ experiment.

Mental Walking

Imagery neurons respond to

an actual visual image as well as imagining that same image.

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

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.

Ganis and coworkers used fMRI to measure brain activation for perception and imagery of objects. Their results showed that

perception and imagery activate the same areas of the frontal lobe, but perception activates more of the back of the brain than imagery does.

Farah studied the young woman, 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

size of the field of view.