R. T. Nieuwboer

A psychophysiological investigation of cognitive-energetic relations in human information processing: a heart rate/additive factors approach.

M. W. van der Molen, J. Jennings, J. F. Orlebeke, 1987, Acta psychologica.

Does the heart know what the eye sees? A cardiac/pupillometric analysis of motor preparation and response execution.

D I Boomsma, R T Nieuwboer, M. W. van der Molen, 1989, Psychophysiology.