Page Banner

United States Department of Agriculture

Agricultural Research Service


Download a high-resolution (300dpi) digital image here

Image Number K10834-1

A study participant, fitted with a cap with electrodes for recording brain wave (EEG) activity, completes a math speed test being presented on a computer monitor.

Photo by Stephen Ausmus.



640 pixels wide: (k10834-1.jpg)




Please visit our Image Gallery

Last Modified: 8/13/2016
Footer Content Back to Top of Page