Electroencephalography, or EEG, was invented 100 years ago. In the years since the invention of this device to monitor brain electricity, it has had an incredible impact on how scientists study the ...

Add Yahoo as a preferred source to see more of our stories on Google. Brain waves emblematic of generalized epilepsy. Kateryna Kon/Science Photo Library via Getty Images Jena, Germany, 1924: Working ...

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An electroencephalogram, or EEG, is a test that helps doctors diagnose problems with the brain’s electrical activity, such as seizures. An EEG test uses a special cap with electrodes to detect the ...

This is the second of a two-part series on Hans Berger's discovery of EEG, and how it revolutionized psychological science. The first piece, on the historical context, can be found here. When EEG ...

Clinicians use electroencephalography (EEG) to assess brain activity in epilepsy and sleep pathologies, and this powerful tool has shown promise for other conditions. Emerging evidence suggests that ...

Jena, Germany, 1924: Working in near-isolation and with painstaking tediousness, the psychiatrist Hans Berger observes rhythmic electrical activity from the scalp of human subjects. He is convinced ...