What type of electrodes are typically used for EEG placement in a sleep lab?

Who developed the International 10-20 Electrode Placement System?

What does the term ‘impedance’ refer to in EEG recording?

Which of the following is NOT an anatomical landmark used in the 10-20 system?

Answer all questions in the exam document embedded below. After you completed your exam, scan your pages into a single PDF, name it Midterm1_StudentName (example: Exam1_JohnSmith.pdf).  Before uploading, verify your file has all the pages you need to submit. Upload it by clicking on “Choose a File” button in “Question 1” below. You are only allowed to upload one file to a question. Then click “Submit Quiz”. You may get a warning saying that you have some unanswered questions if you do not use optional file upload sections, click OK to submit anyway. View exam document here. Use double-sided arrow icon on the tool bar below to preview it in full screen mode. You can also download it and open it on your computer. MATH4581-Midterm1.pdf

The act of when a material absorbs water is…

Match the term to the definitition: 

Polyether silicone materials are not good for fine detail and do not flow well.

Polyether have good elasticity and do not shrink.

Based on the stress/stain curve, the higher the modulus of elasticity, the __________ the material.