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Brain Tour

Brain Basics
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Alzheimer's Disease and the Brain
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9. More brain changes

Cross section of healthy and Azlheimer's brain

Here is another view of how massive cell loss changes the whole brain in advanced Alzheimer's disease. This slide shows a crosswise "slice" through the middle of the brain between the ears.

In the Alzheimer's brain:

  • Shrinkage is especially severe in the hippocampus, an area of the cortex that plays a key role in formation of new memories.
  • Ventricles (fluid-filled spaces within the brain) grow larger.

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