Perceptual Speed and Its Relation to the Emotional Patterns of University Students: Perceptual Speed and Its Relation to the Emotional Patterns of University Students. jperc [Internet]. 2019 Jul. 1 [cited 2025 May 6];16(62):195-229. Available from: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/919