Reading danger: facial expressions!

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Striking View: Photograph by J. Cho. National Geographic
Lightning strikes beyond the rim of Arizona’s Horseshoe Canyon in this picture submitted by J. Cho.
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Buddhas Brain:
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“The brain typically detects negative information faster than positive information.
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Take facial expressions, a primary signal of threat or opportunity for a social animal like us:
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fearful faces are perceived much more rapidly
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than happy or neutral ones,
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probably fast-tracked by the amygdala (Yang, Zald, and Blake 2007).
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In fact, even when researchers make fearful faces invisible to conscious awareness,
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the amygdala still lights up (Jiang and He 2006).”
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