Hypothalamic Rage

rage ratA year ago Dayu Lin and co-authors published a landmark study in Nature on the hypothalamic nucleus which, when optically stimulated, produces undifferentiated rage. At that time Ed Yong wrote a wonderful summary of the work.

The point: in the mouse there is a region in the hypothalamus which, when stimulated, produces undifferentiated rage. There is reason to believe there is an equivalent region in humans. While we don’t go around with optogenetic probes in our brains, the state of undifferentiated rage is not uncommon. Many of us have experienced times when rage is out of control — difficult to keep in check by reason or logic. This is why I don’t like having guns within easy reach.

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