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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11962-1

Studies at the Grand Forks Human Nutrition Research Center have shown that copper and zinc are important for brain function. Here, psychologist James Penland performs an electroencephalogram (EEG), which measures responses from a volunteer’s brain during a dietary study.

 

Photo by ARS Information Staff.



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Last Modified: 8/31/2007
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