1. Andreassi, J.L., 1995. Psychophysiology: Human Behaviour and Physiological Response, 3rd ed. Lawrence Erlbaum Associates, New Jersey.
2. Claridge, G.S., 1981. Psychoticism as a dimension of personality. In: Lynn, R. (Ed.), Dimensions of Personality. Pergamon Press, Oxford.
3. Claridge, G.S., 1985. Origins of Mental Illness. Blackwell Press, Oxford.
4. Psychoticism: a study of its biological nature in normal subjects;Claridge;Br. J. Social Clin. Psychol.,1973
5. Psychophysiological evidence of `psychoticism' in schizophrenics' relatives;Claridge;Pers. Individual Differences,1985