The use of an FM tape recorder for pen and ink recording of fast EEG and EMG frequency components.
D004569:Electroencephalography / Q000295:instrumentation*; D004576:Electromyography / Q000295:instrumentation*; D005215:Fasting; D006801:Humans; D007281:Ink; D013637:Tape Recording
ELECTROENCEPHALOGRAPHY/apparatus and instruments; ELECTROMYOGRAPHY/apparatus and instruments