Image of Human Brain (image) NYU Langone Medical Center / New York University School of Medicine Share Print E-Mail Caption This is an image of a human brain, courtesy of Michael Halassa.The thalamic reticular nucleus (TRN) surrounds the thalamus (pictured in red, with a switchboard in the background). Credit Courtesy of Michael Halassa. Usage Restrictions None 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.