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An instrument that measures electrical potentials on the scalp and generates a record of the electrical activity of the brain. Also called encephalograph.

e·lec′tro·en·ceph′a·lo·graph′ic adj.
e·lec′tro·en·ceph′a·log′ra·phy (-lŏg′rə-fē) n.


A diagnostic method of examining the electrical impulses of the brain using electrodes attached to the head and to a recording device to make an electroencephalogram.


n. electroencefalografía, gráfico descriptivo de la actividad eléctrica desarrollada en el cerebro.

electroencephalography (EEG)

n electroencefalografía (EEG)
References in periodicals archive ?
We developed a system to monitor brain activity and trigger stimulation responsively based on the subject's brain activity.
Helius or the Company), a medical technology company focused on neurological wellness, announced today that researchers have completed a study evaluating the investigational Portable Neuromodulation Stimulator (PoNS) on brain activity.
The findings showed that stress leads to an apparent disconnect between the baby's brain activity and his/her behaviour.
This disconnect between the behaviour of newborn babies under stress and their brain activity in response to pain has not been shown before and suggests that stress is an important factor in influencing how babies perceive and react to pain.
They also recorded the children's brain activity as they performed a challenging cognitive task.
Neuroscience is the study of the structure and function of the brain and nervous system based on the belief that all human experience has its origins in brain activity.
A recent study by Canadian doctors from the University of Western Ontario have revealed that brain activity continues to be active for a few minutes after a person is declared clinically dead.
The longitudinal study, conducted by researchers from Stanford University, determined teens with decreased brain activity were more likely to abuse substances when they were older.
Rather, intermittent flickers of brain activity appear as the effects of an anesthetic take hold.
The general topic is interconnections between brain function and social function; papers look from various perspectives at the ways social behaviors translate to brain activity and vice versa, as well as at how social networks shape brain activity and personal responses.
They used an MRI to investigate the brain activity of the volunteers while they weren't thinking about anything so they could get an overall picture of their brain.
Research provides first evidence of changes in brain activity of homosexual men raising children they adopted through surrogacy, which resembles that of both new mothers and new fathers.