录制earth动作电位的首选协议使用内置的生物放大器T系列PowerLabs.
In our experience, the earthworm action potential protocol requires the additional amplification provided by this amplifier. Signal falls off at the square of the distance from the source; thus, additional amplification when using the intact prep is recommended.
Some customers have attempted to record the action potential using pod port input cables (MLA255或MLA285）附着在蠕虫中的针上，结果混合。如果您完全从蠕虫中解剖神经线并使用MLT016 Nerve Chamber，将神经放在腔室中，直接接触不锈钢线。注意：从earth记录的作用电位的幅度将明显小于坐骨神经的复合动作电位，来自青蛙或哺乳动物。
使用该协议MLA1203针电极and theMLA2540 Bio Amp Cableconnected to a teaching series PowerLab's Bio Amplifierprovides the best results.
