Not a new idea indeed, but an idea that "pays well". Davidson's star is rising and rising, probably in part because he knows who to choose to be around with, but his idea that positive affect is related with left prefrontal dominance and negative with "right leaning" is more controversial than is acknowledged by many. Other troubling idea: it seems that people who have coped with their early environment by developing an "avoidant attachment" style and who tend to rate their childhood as happy, without being able (or willing) to specify, also are "left-leaning". Those who know something about what becoming a Tibetan monk implied (and this not, or not just, to be blamed to the chinese!), will have a complementary, more troublng understanding of why they can "lean left" so well.
Maarten
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