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Into the Minds of Birds

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Science  05 Jul 2013:
Vol. 341, Issue 6141, pp. 22-25
DOI: 10.1126/science.341.6141.22

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A new brain scanning method may spur the already-booming field of bird cognition, and help illuminate a long-term debate over animal capabilities. PET scans of live birds offer a glimpse of their brains in the act of working, and may offer clues to when—or if—a bird is "thinking."