👉 An electrocorticogram (ECG) is a medical diagnostic tool used to assess the electrical activity of the heart and brain. It involves measuring the electrical activity of the atria, ventricles, and nodes of the heart and the cerebellum, as well as detecting changes in brain activity related to various conditions such as epilepsy, depression, or anxiety. The ECG is typically performed using electrodes placed on the chest or arm, but it can also be done using a portable device that
