The gravitational stimulus of moving to an upright position, however, revealed abnormalities in cardiac and vascular autonomic response in PD patients without orthostatic hypotension.

然而一旦变为站立状态，无直立性低血压的PD患者其自主神经功能异常就表现出来了。

A: the autonomic nervous system USES the hormone adrenaline, a neurotransmitter, or chemical messenger, to send signals to various parts of the body to activate the fight-or-flight response.

答：这套自动神经系统利用肾上腺激素(一种神经递质，或者称为化学信使)把信号发送到身体的各个部分，以便激活“斗争还是逃避”反应。

The autonomic nervous system USES the hormone adrenaline, a neurotransmitter, or chemical messenger, to send signals to various parts of the body to activate the fight-or-flight response.

自身的神经系统利用肾上腺素，一种神经传递介质或者说是化学信使，把信号传递在身体的各个部位以刺激“战或逃反映”。

Conclusion: the inner factor of the same emotion, individual difference, mood and whether or not all under stress affect the autonomic nervous response patterns to a certain extent.

结论：同一种情绪内部的因素、个性、心境和是否处于应激状态等，都与情绪的自主神经反应有不同程度的相关。

Objective: to investigate the differences of autonomic nervous response and expression of negative emotions between drug addicts under compulsory rehabilitation and ordinary persons.

目的：探讨负性情绪下强制戒毒人员和正常人群在自主神经反应及情绪的认识与表达上是否存在差别。