A hierarchical, retinotopic proto-organization of the primate visual system at birth
Author:
Arcaro Michael J1ORCID,
Livingstone Margaret S1
Affiliation:
1. Department of Neurobiology, Harvard Medical School, Boston, United States
Abstract
The adult primate visual system comprises a series of hierarchically organized areas. Each cortical area contains a topographic map of visual space, with different areas extracting different kinds of information from the retinal input. Here we asked to what extent the newborn visual system resembles the adult organization. We find that hierarchical, topographic organization is present at birth and therefore constitutes a proto-organization for the entire primate visual system. Even within inferior temporal cortex, this proto-organization was already present, prior to the emergence of category selectivity (e.g., faces or scenes). We propose that this topographic organization provides the scaffolding for the subsequent development of visual cortex that commences at the onset of visual experience
Funder
William Randolph Hearst Fellowship
National Eye Institute
National Institute of Biomedical Imaging and Bioengineering
Publisher
eLife Sciences Publications, Ltd
Subject
General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine,General Neuroscience
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