Tag: galvanometer

Electrodermal Testing Part I: Fooling Patients with a Computerized Magic Eight Ball

Remember the Magic Eight Ball toy? You could ask it a question and shake it and a random answer would float up into a window: yes, no, maybe, definitely, etc. There is even a website where you can ask an Eight Ball questions online. I have been meaning to write about bogus electrodiagnostic machines for a long time. These devices supposedly diagnose...