This quote from Jane Eyre uses the figurative language device of simile to compare Jane's feelings to the similarities of an electric shock. A simile is a figurative language device that authors use to compare to unlike objects using the words like or as. Even though Jane supposes the feeling is not like an 'electric shock,' Jane goes onto clarify her feelings through similar characteristics of an electric shock. Similes are often engaged by author's to appeal to the reader's senses or heighten imagery. Charlotte Bronte's use of simile both engages the reader's attention and senses, making Jane's experiences come alive in Jane Eyre.