It is much less effective for identifying the nerve fiber tangles and protein deposits called plaques that occur in the brains of patients with the disease.

当鉴定发生于病人脑中的神经纤维缠结和称为色斑的沉积时，大脑成像的效率要低很多。

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The main anatomical symptoms of Alzheimer's are the growth in the brain of plaques of a protein called beta amyloid, and tangles inside cells of a second protein called tau.

ECONOMIST: Disposing of dementia

The physical manifestations of the disease that Alois Alzheimer noticed in 1906 are sticky plaques of one type of protein, now known as beta-amyloid, and nerve-cell-engulfing tangles of a second type, called tau protein.

ECONOMIST: Alzheimer's disease