Sentence:  Supramaximal <WSD>Electroshock</WSD> Test (Mouse and Rat) / After drug administration, each animal received an <WSD>electroshock</WSD> [...] through corneal electrodes to initiate a hindlimb tonic extension convulsion; anticonvulsant activity occurred when the above convulsion was blocked. 
Meaning of the word marked with <WSD> tags:  (An) electric shock.