text: <unk>  is a wave of electrophysiological hyperactivity followed by a wave of inhibition, usually in the visual cortex.
option_0: Cortical spreading depression
option_1: Subcortical ischemic depression
option_2: Infra-Hisian Block
option_3: Kumada coupling
option_4: Prepulse inhibition
option_5: Fukuyama coupling
option_6: Diffuse axonal injury
option_7: Inhibitory postsynaptic potential