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.
The activity (in white) in the brain of a patient who became blind after suffering a severe heart attack, but who could nevertheless discriminate colours. The activity is restricted to the territory of the calcarine sulcus (area V1) and is shown in saggital (centre), coronal (above) and horizontal sections (below). (From Zeki et al. 1999.)
