in the biological bases of personality, culminating in his book: Psychobiology of Personality, 1991 and many book scientific dissertation conclusion chapters and articles on the subject. 1971,15,297-329; (Ed.) Emotions and Anxiety: New Concepts, Methods and Appli-cations. Research on this new measure of the basic trait is ongoing. Investigators at other universities, Bardo at the University of Kentucky and LeMoal and Simon at the University of Bordeaux, have used the sensation seeking model to investigate the psychobiological basis of novelty seeking in rats. Gerald Matthews. The Emotional Brain: The Mysterious Underpinnings of Emotional Life. . 1974, 11, 535-542 (with. At the time of his move to the University of Delaware in 1969, he turned his full attention to the SSS as the operational measure of the optimal level constructs.
Sensation seeking, risk appraisal, and risky behavior / Personality and Individual Differences. 1991, 12, 929-941 (with. Rethinking Feelings: An fMRI Study of the Cognitive Regulation of Emotion / Journal of Cognitive Neuroscience 14,. . His perspective in the area was broadened by sabbaticals spent with leaders in the field in England: Hans Eysenck, Jeffrey Gray, and Robert Plomin. Inhibited and Uninhibited Infants Grown Up: Adult Amygdalar Response to Novelty / Science 300,. . Later, positive affect scales were added.