Michael S.Gazzaniga, director of the Center for Cognitive Neuroscience at Dartmouth College, observes that their unimpaired intelligence is inexplicable.
It has been described as work that “relies on geometry and symmetry, fusing curvilinear shapes into pixilated, cleverly impressionistic jigsaw puzzles”.
Conclusion: Observation of dermatograph is easy to operate and master and the result is stabile.This method is for suitable grass-roots unit and it is helpful to raise the quality of population.