Brain Disrupted (IMAGE) Brown University Caption Neurons from the thalamus of control mice with healthy genes glow green (left), while those whose two Tsc1 alleles were deleted during embryonic development show a strong red glow (right), indicating disruption of the mTOR pathway that regulates growth. Credit Zervas Lab/Brown University Usage Restrictions with credit 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.