Whisker model (IMAGE) Northwestern University Caption Mechanics is key to whisker tactile sensation. When a whisker is deflected, its deformation profile within the follicle determines the activity of different groups of mechanoreceptors. Credit Northwestern University/Nadina Zweifel Usage Restrictions None 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.