neurobiological

Objective To investigate the acute and chronic effects of morphine on the intracellular free calcium concentration [ Ca 2+] I in primary cultured hippocampal neuronal cells and explore the neurobiological mechanism of morphine addiction and treatment.

目的研究吗啡对海马神经元游离钙离子浓度（[Ca2+]i）影响的机制，探索吗啡成瘾的神经生物学机制及对吗啡成瘾可能的治疗途径。

Hoffmann reflex is one of the basic monosynaptic reflexes in the spinal cord. It belongs to stretch reflex by electrical analog, which is a good way to study Neurobiological and every kind of reflex pathways and the relationship between them.

Hoffmann反射是脊髓水平最简单的单突触反射之一，它是牵张反射的电模拟，是良好的神经生物学研究探针，对研究各类神经反射通路及其通路间的联系都具有良好效果。

Objective To observe the alterations of nitric oxide ( NO) and the neuronal NOS ( nNOS) in rats with posttraumatic stress disorder ( PTSD) like behaviors, and to explore the neurobiological bases in the pathogenesis of PTSD.

目的探讨一氧化氮（NO）在创伤后应激障碍（PTSD）样行为异常大鼠的变化规律，以进一步揭示PTSD的神经生物学机制。