2006/10/10

As escaladas

Posted in Peace, Cognition, Communication :

In a study conducted by Sukhwinder Shergill, pairs of volunteers were hooked up to a mechanical device that allowed each of them to exert pressure on the other volunteer’s fingers.

The researcher began the game by exerting a fixed amount of pressure on the first volunteer’s finger. The first volunteer was then asked to exert precisely the same amount of pressure on the second volunteer’s finger. The second volunteer was then asked to exert the same amount of pressure on the first volunteer’s finger. And so on.

The two volunteers took turns applying equal amounts of pressure to each other’s fingers while the researchers measured the actual amount of pressure they applied.

Volunteers typically responded with about 40 percent more force than they had just experienced. What began as a game of soft touches quickly became a game of moderate pokes and then hard prods.

Each volunteer was convinced that he was responding with equal force and that for some reason the other volunteer was escalating.

Neither realized that the escalation was the natural byproduct of a neurological quirk that causes the pain we receive to seem more painful than the pain we produce, so we usually give more pain than we have received.

He who cast the first stone probably didn’t,” by Daniel Gilbert
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