1. Principles of psychology;James,1890
2. The yoga-sūtras of patañjali;Patañjali,1934
3. Attention and neural networks;Posner,1998
4. Nonconscious perception, conscious awareness and attention;Badgaiyan;Conscious Cogn,2012
5. Orienting of attention;Posner;Quart J Exp Psychol,1980