The neuroscience of Barbie

Well, kind of:

A research group at the Karolinska Institute in Sweden has managed to make people feel as though they actually inhabited bodies of vastly different size – either that of dolls or of giants. The researchers showed that this fundamentally changed the way people perceived the physical world. Those in smaller bodies felt as though they were in a world populated by giant hands and pencils the size of trees, while those in giant bodies felt the same objects to be tiny, toy-sized versions of the real thing.

In order to accomplish this trick of self-displacement, participants in the experiments lay on a bed and wore a head-mounted display connected to two video cameras. These cameras faced a fake body lying on a bed next to the participant; thus, when participants looked down toward their own bodies, they instead saw artificial bodies where their own should have been. These artificial bodies were either huge (a 13-foot form made of chicken wire) or very small (a Barbie Doll).