PsychologyJuly 14, 2026
electroencephalography
/ɪˌlɛk.troʊ.ɛnˌsɛf.əˈlɒɡ.rə.fi/
Definition
A non-invasive medical procedure used to record and measure the electrical activity of the brain through electrodes placed on the scalp.
Etymology
Derived from the Greek 'elektron' (amber, source of electricity), 'enkephalos' (brain), and 'graphia' (writing or recording). It emerged in the early 20th century to describe the graphical representation of brain waves.
In the news
In this article, researchers used electroencephalography to track how brain activity changed during cognitive tasks following exercise. This allowed them to objectively observe the neural mechanisms behind improved attention and processing speed.
A brief workout may be all it takes to temporarily boost your brain power
Read the full article ↗PsyPost