importance of psychological situation for, [163] f., [165] f.;

and mnemonics, [193] f.

Light, sensations of, [56] f.;

all lights psychologically simple, [57];

contrast of, [61], [63];

adaptation to, [61];

after-images of, [62], [133];

intensity of, falls under Weber’s law, [68];

in sense-feelings, [81].

Man, inner, of common sense, [7];