A delta wave, also known as delta rhythm, is the normal brainwave in the encephalogram of a person in deep, dreamless sleep, occurring with high voltage and low frequency (1 to 4 Hz). If you plan to ...

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 ...

Meditation has been shown to have remarkable benefits for the meditator. Improved mental health has long been associated with meditation as it can reduce anxiety, fear, and sadness. But it can also ...

A personalized electronic facial tattoo that wirelessly monitors the brain can tell when the organ is being overworked and can use the data it collects to predict mental overload, according to a new ...