What hands tend to look like

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Reference no: EM133624792

Assignment

Tralfamadorean scientists have made an exciting discovery! The Tralfamadorean brain appears to have a special extrastriate visual area that specifically responds to images of hands. That is, images of hands in all different poses tend to elicit a large response from this area, while other object images (things like airplanes, writing implements, etc.) do not.

(A) Considering what hands tend to look like, suggest at least two simpler shape properties that this visual area might be sensitive to rather than being a "hand area" per se.

(B) For each of the two properties that you mentioned in (A), suggest a set of control images that you could include in a new fMRI task to test the hypothesis that this area is NOT sensitive to hands.

(C) You know that the Tralfmadoreans have a very low-resolution fMRI scanner and you also know that the new hand area seems to be in about the same neighborhood as the human body area. Discuss how their results could be an artifact of a low resolution scanner and predict what they might find if they used a higher-resolution instrument.

Reference no: EM133624792

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