- Brief Introduction to the pathophysiology of Parkinson's and Huntington's.

- A clear illustration of immunodeficiency disorders.

- A neurodegenerative disease has been halted by harnessing the regenerative power of hibernation, scientists say.

- Musical memory is relatively preserved in Alzheimer's disease and other dementias. What insights might this give us into both the nature of musical memories and the pathophysiology of AD?

- A one-page tool includes 10 questions covering motor and nonmotor symptoms that may help differentiate Lewy body dementia -- in the news since the death of Robin Williams -- from other dementias.

- An altered sense of humor -- switching away from subtle comedy to obvious simple jokes or laughing at inappropriate situations -- could be an early sign of dementia, a new study suggests.

- The skull has numerous holes (foramina) through which various cranial nerves, arteries, veins and other structures pass. To aid learning of these important foramina, I have created this visual mnem...