neurofibrillary tangle. noun. : a pathological accumulation of paired helical filaments composed of abnormally formed tau protein that is found chiefly in the cytoplasm of nerve cells of the brain and especially the cerebral cortex and hippocampus and that occurs typically in Alzheimer's disease.weet. : a pathological accumulation of paired helical filaments composed of abnormally formed tau protein that is found chiefly in the cytoplasm of neurons of the brain and especially the cerebral cortex and hippocampus and that occurs typically in Alzheimer's disease.
Personal life. Stephens was born in Plantation, Florida to Sybil Smith (who, in 1988 as a swimmer at Boston University, became the first African-American female to be named First Team All-American in Division I history) and John Stephens, a professional American football player.
Stephen Wiltshire drawing Sydney, and clearly loving every minute of it! Stephen Wiltshire is a man with a rare talent. Born in 1974, he was a silent child, immersed in his own private world, isolated and living very largely in his imagination, and at three years of age he was diagnosed as autistic.