title: An analysis of the relationship between cardiac deceleration and correct performance under conditions of constant task difficulty.
abstract: Previous analyses of the relationship between cardiac deceleration and correct performance suffered from a confounding of task difficulty with performance accuracy. The present analysis indicates that the relationship between these variables still holds and is, in fact, more general under conditions which control difficulty of the task at a constant level.
mesh_terms: D000124:Achievement; D000293:Adolescent; D000328:Adult; D006339:Heart Rate; D006801:Humans; D008297:Male; D011603:Psychophysiology; D013028:Space Perception; D013647:Task Performance and Analysis; D014796:Visual Perception