An Online Atlas of Adult Electroencephalography

Cruising the neurological corridors of the web this afternoon, I stumbled upon a promising resource for those learning EEG. It’s an online atlas created by Dr. David Strayhorn, an epileptologist in Maryland. The site is really well-organized, with an alphabetical index and sections on normal waveforms and variants, artifacts, abnormal patterns, etc. Each section has several examples, and what’s really slick is that you can look at the naked tracings first, and then mouse over it to show the annotations. Here’s a screenshot, with the annotations activated: (Click on the image to go to the webpage.)

Strayhorn EEG Sample

I actually wrote to Dr. Strayhorn earlier today to find out more about the site and his future plans for it:

Right now I have around 80 or 90 EEGs, and my plans are to have many many more. Ideally there would be at least 5-10 examples of everything in the index, even more of particularly important waveforms. In particular, I want to beef up the section on muscle artifact, since that is so frequently misinterpreted as being epileptiform. When I was at AES last month one of my colleagues gave me the idea of adding a section to demonstrate the relatively new ACNS standardized critical care EEG terminology. Some ideas I’m toying with are to open up the blog section of the website, and perhaps to allow board certified epileptologists to make comments on images.”

He also invited our group to provide feedback or make requests. If you register (for free) on the site, you’ll get a confirmatory email from him, to which you can respond.

About Justin A. Sattin

I'm a vascular neurologist and residency program director. I created this blog in order to share some thoughts with my resident and other colleagues, and to foster my own learning as well.
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