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We have found, in both human and non-human animals, that darker pigmentation is associated with higher levels of aggression and sexuality (and in humans with lower IQ).
Lighter pigmentation is associated with the slow reproductive strategy (K) including lower birth rates, less infant mortality, less violent crime, less HIV/AIDS, plus higher IQ, higher income, and greater longevity.The correlations between human pigmentation, aggression, andsexuality (and IQ), is further supported by the anthropological and sociological research on ‘‘pigmentocracies’’ (Lynn & Vanhanen,2006). A pigmentocracy is a society in which status hierarchies are based largely on skin color, with lighter skin denoting higherstatus and darker skin lower status. Although these are typicallyexplained by the legacy of slavery and imperialism, and although cultural and environmental factors undoubtedly play a substantial role(Rushton &Jensen, 2005), we have focused on genetic pleiot-ropy to explain the much less known relationship between skincolor and behavior.
Life history theory (LHT) may explain why darker individual sare more aggressive and sexually active and why these traits co-vary with longevity, birth rate, infant mortality, speed of matura-tion, and many other characteristics (Templer, 2008; Templer &Rushton, 2011). The melanocortin system is a physiological coordi-nator of pigmentation and life history traits.
Skin color provides an important marker placing hormonal mediators such as testoster-one in broader perspective.We recognize that this paper provides only a first approxima-tion to what may become a workable explanation of melanin andits correlates. There are complex issues that need to be resolved.For example, skin coloration in humans is labile, showing muchun explained variation such as the African Khoi-san in the Kalahari Desert who display light pigmentation. Nonetheless, we believeour data reviews point in a direction that could greatly advanceknowledge.
Although the traits do not always go in lockstep, our data and analyses raise new research directions that should be seriously explored.
Lighter pigmentation is associated with the slow reproductive strategy (K) including lower birth rates, less infant mortality, less violent crime, less HIV/AIDS, plus higher IQ, higher income, and greater longevity.The correlations between human pigmentation, aggression, andsexuality (and IQ), is further supported by the anthropological and sociological research on ‘‘pigmentocracies’’ (Lynn & Vanhanen,2006). A pigmentocracy is a society in which status hierarchies are based largely on skin color, with lighter skin denoting higherstatus and darker skin lower status. Although these are typicallyexplained by the legacy of slavery and imperialism, and although cultural and environmental factors undoubtedly play a substantial role(Rushton &Jensen, 2005), we have focused on genetic pleiot-ropy to explain the much less known relationship between skincolor and behavior.
Life history theory (LHT) may explain why darker individual sare more aggressive and sexually active and why these traits co-vary with longevity, birth rate, infant mortality, speed of matura-tion, and many other characteristics (Templer, 2008; Templer &Rushton, 2011). The melanocortin system is a physiological coordi-nator of pigmentation and life history traits.
Skin color provides an important marker placing hormonal mediators such as testoster-one in broader perspective.We recognize that this paper provides only a first approxima-tion to what may become a workable explanation of melanin andits correlates. There are complex issues that need to be resolved.For example, skin coloration in humans is labile, showing muchun explained variation such as the African Khoi-san in the Kalahari Desert who display light pigmentation. Nonetheless, we believeour data reviews point in a direction that could greatly advanceknowledge.
Although the traits do not always go in lockstep, our data and analyses raise new research directions that should be seriously explored.
Do pigmentation and the melanocortin system modulate aggression and s…
archived 14 Feb 2019 02:58:45 UTC
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