TY - GEN AU - Zeier,H AU - Graf,M TI - [Individual differences in the training of alpha brain waves with biofeedback] SN - 0044-2712 PY - 1977///1229 KW - Alpha Rhythm KW - Biofeedback, Psychology KW - Conditioning, Operant KW - Humans KW - Individuality N1 - Publication Type: English Abstract; Journal Article ER -