Optimal Inattention (image) Brown University Share Print E-Mail Caption To study how the brain purposefully ignores sensory stimuli, researchers looked at brainwaves connecting the somatosensory cortex (hSI) to the right inferior frontal cortex (IFC). White regions were experimental controls. Credit Brown University Usage Restrictions 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.