When the aging brain misfires, the results can be astonishing and a little alarming.

Add Yahoo as a preferred source to see more of our stories on Google. Stressed African American woman sitting in bed at night, unable to sleep and with her head in her hand In 1982, retiree Donald ...

Beyond memory loss, rare neurological disorders can cause hallucinations, delusions, and bizarre behaviors in older adults.

More than 100 years after it was first described, hemineglect—also known as unilateral spatial neglect, or unilateral inattention—is still one of the most fascinating and mysterious of the ...

The exact cause of personality disorders is unclear. However, genetics, neurological differences, and environmental factors may contribute to the development of these complex mental health conditions.