The self injurious behavior of five male children with Lesch Nyhan disease was studied during three learning paradigms: punishment, positive reinforcement and time out from reinforcement following an attempt at self injury. Punishment of self injury…
Lesch-Nyhan syndrome is a rare, sex-linked, recessive disease that is accompanied by severe self-mutilation, especially finger biting. Evidence is presented suggesting that parental response patterns may contribute to the genesis of the…
Four patients with Lesch Nyhan disease were treated with L 5 hydroxytryptophan, alone, or in combination with carbidopa, and their effect on self mutilatory behavior was compared to that observed during periods in which placebo was administered.…