Impulsive action, analysis of, [234] f.
Inattention, [102] f.
Index of change, [132].
Inhibition, nervous, in attention, [106] ff., [164], [249] f.;
initial and terminal, of associative tendencies, [157] f.;
of instincts, [209].
Initial inhibition, [157] f.
Instinct, popular view of, [203];
definition of, [204];