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France Haour
A placebo is a sham treatment such as pill, liquid, injection, devoid of biological activity and used in pharmacology as a control for the activity of a drug. In many cases, this placebo induces biological or psychological effects in the human. Two theories have been proposed to explain the placebo effect: the conditioning theory which states that the placebo effect is a conditioned response, and the mentalistic theory for which the patient expectation is the primary basis of the placebo effect. The mechanisms involved in these processes are beginning to be understood through new techniques of investigation in neuroscience...
March 2005: M├ędecine Sciences: M/S
Lu-ning Wang, Ming-wei Zhu, Qiu-ping Gui, Xiang-hong Li
OBJECTIVE: To survey the causes of dementia confirmed by autopsy in the elderly and to have a better understanding of various causes of senile dementia. METHODS: A retrospective study on clinical and pathological diagnosis in 383 cases aged 60 and over with autopsy performed was carried out clinical diagnosis of dementia was based on DSM-IVR, NINCDS-ADRDA and NINCDS-AIREN criteria. Gallyas-Braak staining, Tau and Ubiquitin Immunohistochemistry staining were adopted for diagnosing neurodegenerative dementia and distinguishing various degenerative diseases...
November 2003: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
S Mazumdar
No abstract text is available yet for this article.
July 1980: Journal of the Indian Medical Association
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