The purpose of this study was to research the effect of the electrical stimulation of the pedunculopontine nucleus

这项研究的目的是研究电刺激足小神经核的作用

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What seems to be happening is that cognitive stimulation helps overcome the effect of the neurodegenerative lesions associated with dementia.

看起来正在发生的是，这些认知刺激确实抵消了跟老年痴呆症有关的神经变性的机能障碍。

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What seems to be happening is that cognitive stimulation helps overcome the effect of the neurodegenerative lesions associated with dementia.It does not, however, make them go away.

真实的情况看来是认知激发有助于克服退行性神经损害与痴呆相关的的影响，然而却不能将其消除。

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He said more effective treatment for Parkinson's could be developed if they could understand the effect of the stimulation.

BBC: Brain probed in Parkinson's study

Over a period of six months the researchers alternated periods of electrical stimulation with fake stimulation to assess whether it was having an effect.

BBC: The electrodes were placed at specific points in the brain