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Spared perception of object geometry and object components after hippocampal damage [BRIEF COMMUNICATIONS]

We tested the proposal that medial temporal lobe (MTL) structures support not just memory but also high-level object perception. In one task, participants decided whether a line drawing could represent an object in three-dimensional space and, in another task, they saw the components of an object and decided what object could be formed if the components were assembled. Patients with hippocampal lesions were intact, indicating that the hippocampus is not needed for perceiving the structural coherence of objects or appreciating the relations among object parts. Patients with large MTL lesions were moderately impaired, likely due to damage outside the MTL.

Authors:   Zhisen J. Urgolites; Daniel A. Levy; Ramona O. Hopkins; Larry R. Squire
Journal:   Learning & Memory
Volume:   25
edition:   7
Year:   2018
Pages:   330
DOI:   10.1101/lm.047464.118
Publication date:   01-Jul-2018
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