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

Reference87 articles.

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