t1.
See Ashley Montague (1986), Touching: The Human Significance of the Skin, especially pp 224–228. For further reading on touch, see Linda Holler (2002), Erotic Morality; Ben E. Benjamin and Cherie Sohnen-Moe (2005), The Ethics of Touch; Tiffany Field (2001), Touch; and Frank Forencich (2006), Exuberant Animal. For an outline of the harrowing Harlow experiments with juvenile primates deprived of contact with their mother, see Herbert L. Petri (1986), Motivation, chapter 8.