The purposes of this study are to explore the effects of chronic stress on LTP of hippocampal CA1 and the effects of DPH on them.

• 本研究通过离体海马脑片，观察应激前后LTP的变化，旨在探讨慢性应激对大鼠海马CA1区LTP的影响及苯妥英钠对应激状态下LTP改变的效应。