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Hardwired Stickman Why humans and animals behave the way they do.
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Human Behaviour
16 July 2026

Why Does Rejection Hurt Like a Physical Wound?

In 2003, psychologist Naomi Eisenberger, with Matthew Lieberman and Kipling Williams, used fMRI and the Cyberball exclusion game to show that social rejection activates the dorsal anterior cingulate cortex — the same brain region tied to the distress of physical pain.

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Human Behaviour
14 July 2026

Why Do Babies Smile Before They Can See Your Face?

A look at infant smiling development through the research of Peter Wolff, Robert Emde, Konrad Koenig, Robert Harmon, and John Bowlby's attachment theory. Newborns build spontaneous, sound-triggered, and social smiles on three separate timelines.

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Hardwired Stickman

Why humans and animals behave the way they do.

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