title: Effect of sensory and motivation factors on unit activity in the monkey frontal cortex.
mesh_terms: D000818:Animals; D001288:Attention / Q000502:physiology; D003213:Conditioning, Psychological / Q000502:physiology; D004777:Environment; D005625:Frontal Lobe / Q000502:physiology*; D008253:Macaca mulatta; D009042:Motivation / Q000502:physiology*; D009474:Neurons / Q000502:physiology*; D013997:Time Factors