1 Multiple Choice 1 point When subjects were asked to look at two superimposed visual stimuli, they: tended to focus largely on context in both scenarios and ignore physical traits. could filter out one of the scenarios but could not retain much content. could filter out one of the scenarios and retain most of the content of the attended to scenario. could not filter out one of the scenarios and thus retained little information about either. iad-prod.instructure.com/taking/29880/take# Search
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This is a classic experiment in cognitive psychology, often related to attention and perception. Show more…
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A variety of research results suggest that visual images interfere with visual perception. In one study, Segal and Fusella (1970) had participants watch a screen, looking for brief presentations of a small blue arrow. On some trials, the participants were also asked to form a mental image (for example, imagine a volcano). The results show that participants made more errors while forming images than while not forming images. Data similar to the Segal and Fusella results are as follows: A 13 4 B 9 2 C 12 10 D 7 8 E 10 6 F 8 6 G 9 4
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Matthew W.
Q. In a non-lesioned brain, there is over-attention to the left side of space. What term is used to describe this phenomenon? a) Pseudoneglect b) Change blindness c) Hemianopia d) Inhibition of return Q. The "where" visual route is also known as: a) The dorsal pathway b) The ventral pathway c) The geniculo-striate pathway d) Balint's pathway Q. How do patients with neglect following right hemisphere lesions tend to perform on the spatial cueing task? a) They are able to orient to a cue on the left but have difficulty in detecting a subsequent target on the right b) They are able to orient to a cue on the right but have difficulty in detecting a subsequent target on the left c) They are unable to orient to cues or targets on the left of space d) They are unable to orient to cues or targets on the right of space Q. Which of the following tasks would you expect a patient with neglect to perform well at? a) Finding the midpoint of a horizontal line b) Visual search c) Copying line drawings d) Detecting single flashes of light Q. What is meant by the term "color constancy"? a) The color of a surface appears constant under different lighting conditions b) The same wavelength of light will always give rise to the same color c) Knowledge of the "true" color of an object biases color perception d) An ability to remember precise colors over time Q. Patients with "blindsight" report being unable to see stimuli presented in certain locations but can be shown to be able to make above-chance visual discriminations (e.g. of orientation, motion). What is a likely explanation? a) There are several different visual pathways, and spared subcortical pathways may enable some basic discriminations b) The discriminations are made at the retina level, not by the brain c) The patient is really able to see but possesses delusional beliefs d) The patient is over-reliant on area V1 and does not use "higher" visual areas Q. Why do we see an X as a crossing of two lines even if we know it was constructed by four lines meeting at the center? a) Law of proximity b) Law of common fate c) Law of closure d) Law of good continuation
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