. "104666462"@en-us . "06139491-n"^^ . "0.25"^^ . "0"^^ . "psychophysics"@en-us . . . . "106139491"^^ . "105771925"@en-us . "the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects"@en-us . . . . . . . . "psychophysics"^^ .