Richard Caton
Started EEG research in animals
Hans Berger
First wrote about EEG, first time on humans
Positive points of EEG
excellent time resolution
noninvasive
low cost
What does an EEG do?
records intracellular and extracellular activity, writes actionpotential
Cognitive activity
Gamma 40-60 hz
movement
Beta 14-25 hz
quiet
Alpha 8-13 hz
Drowsy but working memory
Theta 4-7
sleep but internal processes
Delta 0.5-3 hz
MMN
mismatch negativity
Study of semantic processes. N400
study where they said the words. the pizza was too hot to.. eat (best completions) drink related anomalies) or cry (unrelated anomalies)
for best to unrelated: low to high.
MEG
Magnetoencephalography