History of the motor theories of attention.
D001288:Attention; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009043:Motor Activity; D009046:Motor Neurons / Q000502:physiology; D009119:Muscle Contraction; D011582:Psychological Theory / Q000266:history*; D012677:Sensation; D014836:Volition