For example, Parkinsonism is not only seen in Parkinson's disease.

For the first time, researchers have produced genetically modified mice that develop the brain changes seen in Alzheimer's disease.

The brain regions affected contain neurofibrillary tangles, similar to those seen in Alzheimer's disease.

The result is the tremors seen in Parkinson's disease.

The lateropallido-subthalamic system is thought to play a key role in the generation of the patterns of activity seen in Parkinson's disease.

The reorganization of cellular structures that results from transneuronal degeneration can be seen in Alzheimer's disease.

Shaking, stiff muscles, and slow movement (typically seen in Parkinson's disease).

Pretibial myxedema seen in Graves' disease is also known as Osler's sign.

This leads to less formation of amyloid plaques seen in Alzheimer's disease.

The term "parkinsonism" refers to any condition that involves the types of movement changes seen in Parkinson's disease.