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Effect of atropine sulfate on the neural activities in the auditory cortex to the electric foot-shock and a pure tone. The neural activities in the auditory cortex to the electric foot-shock a before and b after the direct application of atropine sulfate to the auditory cortex. The neural activities in the auditory cortex to a pure tone c before and d after the direct application of atropine sulfate to the auditory cortex
