1. The Cruelty of Animal Experimentation
I also tried to apply the theories first of all to myself, and I devoted time every day for self-analysis, since I could not make universal statements about human mind that didn't apply to my own mind. ... In the development of the human brain there are certain critical periods when particular parts of the brain are very plastic to change (for example, language, or music, or visual ability), and then loose the plasticity at a certain point and the opportunity never reopens later in life (Borysenko, 1998). ...