Neuropsychology. Modulation by instruction.
Posner
M
M
D001288:Attention / Q000502:physiology*; D001921:Brain / Q000098:blood supply / Q000502:physiology*; D002560:Cerebrovascular Circulation; D008606:Mental Processes; D013003:Somatosensory Cortex / Q000502:physiology; D014055:Tomography, Emission-Computed; D014785:Vision, Ocular / Q000502:physiology