How can brain activity reflecting language function be measured?

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Offline cris6660

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Cris asked the Naked Scientists:

Hello Chris!

Is there any way to measure brain waves whilst a person is talking on a cell phone?  I initially thought about using an MRI scan, but I figured the cell phone radiation would interfere with the frequencies used by the machine.  

Any ideas?

What do you think?


Offline RD

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Brainwaves are measured using electrodes attached to the scalp : an electroencephalogram.

The activity of different areas of the brain can also be measured using a functional MRI.