Cortical Sensory Evoked Potentials
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Somatosensory (tibial n., auditory, etc.) evoked or event-related potentials can be recorded at various locations in the brains of rats and mice using surface or depth electrodes. These potentials can be used to monitor the effects of drugs on attentional and cognitive functions.
Auditory evoked potentials have been recorded from the hippocampus, for example, to evaluate the effects of drugs on attention. A topographic map of EEG responses to auditory clicks shows functional localization of responses across the cortex.