Eeg epilepsy vs normal4/28/2023 Information from these two tests is complementary, and can be collected at the same time in order to gather reference information about where the brain activity is coming from. In contrast to MEG, which detects magnetic fields related to neuron activity, EEG detects electric fields produced by neurons in your brain. EEG (Electroencephalogram)Īn EEG is the most common test used to evaluate patients with epilepsy. This exam provides timing – down to the sub-millisecond – as well as spatial information about brain activity. Most patients can rest during an MEG, though in some cases the patient will perform simple tasks to stimulate certain areas of the brain. The technique works like a very sensitive microphone that records magnetic fields emitted by brain cells instead of sound. MEG uses sensors to noninvasively detect and record minute magnetic fields associated with brain activity. If you have epilepsy and have been referred for imaging, there are several radiologic tools that might be used in your treatment planning: MEG (Magnetoencephalography) Imaging is an essential tool for the evaluation and management of patients with this disabling condition. Epilepsy is a common and disabling disorder caused by the unpredictable and uncontrolled electrical discharges within the brain.
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