题目内容

"安慰剂效应"是指让病人在不知情的情况下服用完全没有药效的假药,却能得到与真药相同甚至更好效果的现象。"安慰剂效应"得到了很多临床研究的支持。对这种现象的一种解释是:人对于未来的期待会改变大脑的生理状态,进而引起全身的生理变化。以下陈述都能支持上述解释,除了()

A. 安慰剂生效是多种因素共同作用的结果。
B. 安慰剂对丧失了预期未来能力的老年痴呆症患者毫无效果。
C. 有些病人不相信治疗会有效果,虽然进行了正常的治疗,其病情却进→步恶化。
D. 给实验对象注射生理盐水,并让他相信是止痛剂,实验对象的大脑随后分泌出止痛物质内啡肽。

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