Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Delineating regions of interest. First, we mapped V1–V4 (A) by showing a rotating wedge (B) to delineate the boundaries between areas and an expanding and contracting annulus (C) to delineate eccentricity boundaries of specific areas. Next, we outlined eight retinotopic locations in V1–V4 (D) by showing rotating white rectangles at eight different radial positions, at an eccentricity of 5° of visual angle (E).
