In Alzheimer's disease, the microtubules of neurons disintegrate in the absence of tau proteins, and the whole neuron shrivels and dies. The disorganized tangles of tau that are left at the end of this process are known as __________ tangles.
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Question 2
____________ is a term that describes involuntary movements that also involve tics, tremors, and jerky movements of the face and limbs.
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