Figure (IMAGE)

U.S. Army Research Laboratory

Figure

Caption

Pupil size changes in response to math problems classified as easy (light shade) or hard (dark shade) and correct (green) or incorrect (red).

Credit

US Army image

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.