Brain activity, reactivity help explain diabetics’ negative feelings and risk for depression

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By Angie Hunt, ISU News Service

Data collected through EEG and with eye electrodes allowed researchers to measure brain activity and startle response. Photo by Christopher Gannon.

For millions of Americans who are obese and living with diabetes or prediabetes, feelings of sadness, anger and anxiety are often part of daily life. A new Iowa State University study suggests those negative feelings may stem from problems regulating blood sugar levels that influence emotional response in the brain. 

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Key contacts

Auriel Willette, assistant professor, Department of Food Science and Human Nutrition, Iowa State University, 515-294-3110,

Tovah Wolf, graduate student in food science and human nutrition, Iowa State University, 515-294-3011,

Angie Hunt, communications specialist, ISU News Service, Iowa State University, 515-294-8986,

By Angie Hunt, ISU News Service