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.
AFI and absorption signal time courses in response to brief electrical stimulation in cat. A–D, Time course of a single pixel in cat visual cortex in response to electrical stimulation demonstrating autofluorescence signal (A), blue absorption signal (B), green absorption signal (C), and red absorption signal (D). Each time course is from a single pixel and is the average of 22 cycles of stimulation. Error bars are SEM.
