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Recording of evoked neural responses to increasing micro-stimulation amplitudes in the CA1 region of the hippocampus of an anesthetized rat using the SAS component. All pulses are constant-current, cathodic-first and 200 μs in duration. Stimulus artifacts are shown in red. Evoked potentials are shown in black. As stimulation amplitudes increase, the evoked potentials show increased amplitudes and more complex waveforms.
