EEG Scan (image) University of Arizona Share Print E-Mail Caption The presence of an N400 wave even in those cases where the participants reported not recognizing the shape of an object suggests their brain did recognize a shape, but didn't forward the information to the conscious level. Credit Jay Sanguinetti Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. Share Print E-Mail 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.