The cardiac-somatic relationship: some reformulations.
D001288:Attention; D003216:Conditioning, Operant; D004644:Emotions; D006321:Heart / Q000294:innervation / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D009042:Motivation; D009119:Muscle Contraction; D009132:Muscles / Q000378:metabolism / Q000502:physiology; D009206:Myocardium / Q000378:metabolism; D014630:Vagus Nerve / Q000502:physiology*