TY - GEN AU - Davis,C M AU - Brickett,P AU - Stern,R M AU - Kimball,W H TI - Tension in the two frontales: electrode placement and artifact in the recording of forehead EMG SN - 0048-5772 PY - 1979///0126 KW - Action Potentials KW - Biofeedback, Psychology KW - Electroencephalography KW - methods KW - Electromyography KW - Forehead KW - Humans KW - Muscle Tonus N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1469-8986.1978.tb03117.x ER -