EEG measures what?

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Multiple Choice

EEG measures what?

Explanation:
EEG captures the brain’s electrical activity as rhythmic patterns called brain waves. Electrodes on the scalp detect voltage changes produced by the synchronized postsynaptic currents of cortical neurons. These waveforms reflect neural activity in real time and vary with state (like being awake, relaxed, or asleep), falling into frequency bands such as alpha, beta, theta, and delta. EEG doesn’t directly show brain structure (that’s what MRI or CT do) and it doesn’t measure hormone levels; it specifically provides a readout of neural activity in the form of brain waves.

EEG captures the brain’s electrical activity as rhythmic patterns called brain waves. Electrodes on the scalp detect voltage changes produced by the synchronized postsynaptic currents of cortical neurons. These waveforms reflect neural activity in real time and vary with state (like being awake, relaxed, or asleep), falling into frequency bands such as alpha, beta, theta, and delta. EEG doesn’t directly show brain structure (that’s what MRI or CT do) and it doesn’t measure hormone levels; it specifically provides a readout of neural activity in the form of brain waves.

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