title: Another psychophysical procedure: within-trial stimulus thresholds.
mesh_terms: D000818:Animals; D010856:Columbidae / Q000502:physiology*; D003213:Conditioning, Psychological; D004056:Differential Threshold; D005247:Feeding Behavior; D010775:Photic Stimulation; D011930:Reaction Time; D012054:Reinforcement, Psychology