What is an EEG Machine? Definition & FAQs | 合法醫療器材資訊網

AnEEGmachineisadevicethatrecordstheelectricalactivityofthebrain.Itcontainelectrodesthatcandetectbrainactivitywhenplacedonasubject'sscalp.

EEG machines — which include portable EEG machines, ambulatory EEG machines and EEG neurofeedback machines or EEG biofeedback machines — are monitoring devices used for EEG recordings. EEG stands for electroencephalography, the non-invasive method of monitoring the brain’s electrical signals.

Most of these devices contain electrodes, amplifiers, filters and an analog to digital converter. Wireless or portable EEG machines contain a battery, while wired EEG machines will be hooked up directly to a computer.

An ambulatory EEG machine is used during an extended EEG reading. Often used to diagnose sleep disorders or seizure disorders, ambulatory EEGs record for up to 72 hours while traditional EEG tests record for 1-2 hours.

EEG neurofeedback machines, also called EEG biofeedback machines, are EEG systems that allow a subject to see their brain act...