Spatial summation and contrast sensitivity of X and Y cells in the lateral geniculate nucleus of the macaque.
D000200:Action Potentials; D000818:Animals; D005556:Form Perception / Q000502:physiology*; D005829:Geniculate Bodies / Q000033:anatomy & histology / Q000502:physiology*; D008251:Macaca / Q000502:physiology*; D012160:Retina / Q000502:physiology; D014795:Visual Pathways / Q000502:physiology