Concussion Alters How Information Is Transmitted Within the Brain (image) Radiological Society of North America Share Print E-Mail Caption Interhemispheric Speed of Processing Task (IHSPT) visual stimulus and information processing diagram. IHSPT is a test developed at NYU Langone that evaluates how well the two hemispheres in the brain communicate with each other. Credit Study author and RSNA Usage Restrictions May use with credit. 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.