The editors and publisher gratefully acknowledge permission for use of the following material:
Figures 1.1, 1.2, 1.3, 1.4, and 1.5. Reprinted from D. E. Comings. Search for the Tourette Syndrome and Human Behavior Genes. ( 1996). Reprinted with permission from Hope Press.
Figure 3.1. Reprinted from Personality and Individual Differences17, by E. M. Miller. Prenatal sex hormone transfer: A reason to study opposite-sex twins, pp. 511-529. Copyright 1994, with kind permission from Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington OX5 1GB, UK.
Figure 3.2. Reprinted from Acta Geneticae Medicae et Gemellologiae 44, by E. M. Miller and N. G. Martin. ( 1995). Analysis of the effects of hormones on opposite-sex twin attitudes, pp. 41-52. Reprinted with permission.
Figure 4.3. Reprinted from Acta Physiologica Hungarica 67, by G. Csaba, Á. InczefiGonda , and O. Dobozy. ( 1986). Hormonal imprinting by steroids: A single neonatal treatment with diethylstilbestrol or allylestrenol gives rise to a lasting decrease in the number of rat uterine receptors, pp. 207-212. Reprinted with permission.
Figure 4.4. Reprinted from Acta Physiologica Hungarica 67, by Á. Inczefi-Gonda, G. Csaba , and O. Dobozy. ( 1986). Reduced thymic glycocorticoid reception in adult male rats prenatally treated with allylestrenol, pp. 27-29. Reprinted with permission.
Figure 4.11. Reprinted from Human & Experimental Toxicology 15, by S. Mirzahosseini , Cs. Karabélyos, O. Dobozy, and G. Csaba. ( 1996). Changes in sexual behaviour of adult male and female rat neonatally treated with vitamin D3, pp. 573-576. Reprinted with permission of Macmillan Press Limited and the authors.
Figures 4.12, 4.13, and 4.14. Reprinted from G. Csaba and Cs. Karabélyos, Pubertal benzpyrene exposition decreases durably the sexual activity of the adult male and female rats, Hormone and Metabolic Research 27 ( 1995): 279-282, Georg Thieme Verlag, Stuttgart.