Instrument used to record the brain's electrical activity.
A machine that measures electric brain activity often used to study sleep. An electroencephalograph, or EAG, allows doctors to see when there is a lot of brain activity.
Study of electrical current within the brain.
medical instrument that records electric currents generated by the brain
an instrument that lets researchers get a print out of patterns of brainwave activity
A device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp.
an apparatus for detecting and recording brain waves
An instrument that records the electrical activity of the brain. Guided Imagery Techniques Relaxation techniques that involve imagining yourself in a pleasant situation and visualizing the experience in detail.