However,brain cells of Alzheimer's victims die and are not replaced.

VOA: special.2009.09.15

Researchers say the speech impediment appears to stem from a defectin the gene that regulates the way brain cells break down and recycle waste products.

VOA: standard.2010.02.11

Nothing happened when they turned on the light in cells in an area of the brain called the subthalamic nucleus.

VOA: special.2009.04.07

It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

They used light-sensitive molecules to turn on and off nerve cells in the deep brain structure of mice.

VOA: special.2009.04.07

Research published mainly in nineteen seventy-three had found proteins on the surfaces of nerve cells in the brain.

VOA: special.2010.05.04

Electric signals start in nerve cells and travel along these fibers to and from the brain.

VOA: special.2009.01.06

The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.02.03

Evidence shows that extended periods of cortisol in the body weakens bones, damages nerve cells in the brain and weakens the body's defense system against disease.

VOA: special.2009.03.24

Her brain had sticky structures and nerve cells that appeared to be mixed together.

VOA: special.2009.09.15

They produce reactions in the nerve cells in the brain.

VOA: special.2009.04.07

It attacks the brain's nerve cells, robs memory and impairs thinking and language skills.

VOA: standard.2009.12.04

(OMITTED) Your brain registers pain through neurons,special cells that wind through the body.

VOA: standard.2010.05.04