Reactive temperament in infancy linked to amygdala activity later in life (The Dana Foundation Website - 18 November 2011)

Jerome Kagan's lab at Harvard University is finding that early temperament is linked to later activation differences in the amygdala.

Excerpt:

My great-grandmother once told me that babies keep only one trait throughout the course of their lifetime—their temperament. It would seem her folk wisdom was not far off the mark. A study  published in the Sept. 6 issue of Molecular Psychiatry, demonstrates that a male infant’s reaction to unexpected stimuli, a biological measure of temperament, can predict amygdala activity later in adulthood...

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