Color blindness all variations in human color vision involve the red and green receptors in male eyes. It is very rare for males or females to be "blind" to the blue end of the spectrum. The first scientific paper on the subject of color blindness, "Extraordinary facts relating to the vision of colours", was published by the English chemist John Dalton in 1798 after the realization of his own color blindness. Because of Dalton's work, the general condition has been called "daltonism", although in English this term is now used only for deuteranopia. Color codes present particular problems for those with color
Society for the Scientific Study of Psychopathy include: Society for the Scientific Study of Psychopathy The Society for the Scientific Study of Psychopathy (abbreviated SSSP) is an international learned society dedicated to promoting and advancing scientific research on the personality disorder psychopathy. It was established in 2005 and held its first meeting that year in Vancouver, British Columbia, Canada. Since then, the society has held biennial conferences to provide a venue for psychopathy researchers to present their most recent findings. As of 2009, the society had over 160 members, most of whom were from the United States. The current president of the SSSP is Adelle Forth. Previous