1. J. V. McConnell, J. Neuropsychiat. 3, 1–42 (1962).
2. S. Reins, Activ. Nerv. Sup. 7, 167 (1965).
3. F. J. Fjerdingstad, T. Nissen, and H. H. R¢igaard-Petersen, Scand. J. Psychol. 6, 1–5 (1965).
4. G. Ungar and C. Oceguera-Navarro, Nature
207, 301–302 (1965).
5. F. R. Babich, A. L. Jacobson, S. Bubash, and A. Jacobson, Science
149, 656–657 (1965)