. Electronic apparatus for biological research . Figure may make the distressing discovery that the preparation is stimulated with only one stimulating electrode in place, or even that the site of stimulation is nowhere near the stimulating electrode at all! The situation is represented rather artificially in Figure The irregular lump is the preparation, A and B are stimulating electrodes, C is a recording electrode feeding a single ended—for argument's sake—recording amplifier,

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity