![]() ![]() ![]() They are defined in terms of three parameters: amplitude, frequency, and phase. Voltage traces recorded by EEG electrodes are described as waves. ![]() Also, although brain activity is spontaneous and does not depend on specific sensory stimuli, it might be easily altered by them, and these changes can also be seen in the findings of EEGs ( 1). They reflect and identify baseline brain electrical activity as well as the changes that happen during distinct deep sleep stages, anaesthesia, epileptic seizures, and cognitive events. Is widely used to evaluate the synaptic actions in the cerebral cortex, which are moderately to strongly connected to the state of the brain. An electroencephalogram (EEG) is a recording of the oscillations of electric potentials in the brain, sometimes referred to as a “window of the mind”. ![]()
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