Defective Potassium Channels Cause Headache, Not Body Pain (image) Society for Neuroscience Share Print E-Mail Caption Top: Normal distribution of TRESK channels (green) in facial pain sensory neurons. Bottom: Absence of channels in the knock-out mouse model. Credit Guo et al., eNeuro 2019 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.