The most primitive part of the brain, the brainstem – a  part of “the reptilian brain” – doesn’t get much respect in medical research. VanElzakker pointed out that most brain scan studies focus on the upper, more highly developed parts of the brain.  Because brain imaging techniques can’t effectively capture … Continue reading Has the “Reptilian Brain” Gone Haywire in ME/CFS? Back to the Brainstem We Go.