By WILFRID F. WHITE, M.S., JOHN R. MOTE, M.D., AND EDWIN E. HAYS, PH.D. SINCE the isolation of vitamin B,2 in crystalline form was announced in this country,’ several investigators2 ‘ have published the results of clinical studies with the pure material on pernicious anemia patients. These studies, while incomplete, leave little room for doubt that vitamin B,2 is a potent anti-pernicious anemia...

Neurons have been classified by their firing properties and by their differing dendritic characteristics, architectures, and biophysical properties, suggesting the existence of design principles and computational goals. From a classical viewpoint, dendrites provide the pathways that funnel the many subthreshold postsynaptic potentials (PSPs) toward the soma, where the propagated–summated result...

Taking perceptual experience to consist in a relation of acquaintance with the sensible qualities, I argue that state being acquainted quality is intrinsically form knowledge, and not merely means more familiar kinds such as propositional or dispositional knowledge. We should accept epistemic claim for its explanatory power theoretical usefulness. That knowledge best explains intuitive appeal ‘...