The American Journal of Psychology, Svazek 17

activity adaptation adding animal appear Argiope association attention auditory auditory imagery automatic writing average birds breathing cause centre changes character Cherokee alphabet child Clark University color complex consciousness Cowbird curves depression difficulty digit distinct duration effect elements emotional English Sparrow envy excitement experiments expression eye-movement fact factors feeling female given grief increase instinct interval introspective jealous jealousy judgments later less male memory ment mental method metronome minuend motor motor imagery moulting movement multiplication muscular nature nervous nest normal objective observers organic organic reaction physiological Pigeon pleasant plethysmograph psychic psychology pulse reaction relation reported retina rience says seems sensations sense simple species spiders spinnerets Stanley Hall stimulus strain subtraction tears tendency tests theory tion tones transversa tropisms unpleasant variation Vesper Sparrow visual vocalization volume webs writing Wundt