Neurovascular Coupling in Action (video) Harvard Medical School Share Print E-Mail Loading video... Caption Arteries in the brain dilate in response to whisker stimulation. This process, known as neurovascular coupling, is regulated by caveolae and the protein Mfsd2a. Credit Gu Lab/Harvard Medical School 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.