shift of, in attention, [91] f., [93];
not to be confused with intensity, [92] f.;
or with clearness of meaning, [93];
levels of, in attention, [99] ff.;
inverse relation of focal and marginal, [100], [108] f.;
nervous correlate of, [107], [109].
Vocality, of simple tones, [52] f.
Volume, of tones, [52];
perception of crude spatial, due to brain-habit, [130] f.