...Another program had the electric current timed to music. My head was pulsating against my will, getting jerked around on my neck. I became so dizzy I could barely stand. I had to turn it off.

NTT researchers suggested this may be a reflection of my lack of musical abilities. People in tune with freely expressing themselves love the sensation, they said.

"We call this a virtual dance experience although some people have mentioned it's more like a virtual drug experience," said Taro Maeda, senior research scientist at NTT.