Sudden onset of memory loss in the elderly: Introduction Introduction: Sudden onset of memory loss in the elderly Sudden onset of memory loss in the elderly Introduction: Sudden onset of memory loss in the elderly Sudden onset of memory loss in the elderly: Introduction Causes of Sudden onset of memory loss in the elderly Introduction: Sudden onset of memory loss in the elderly Introduction: Sudden onset of memory loss in the elderly Causes of Sudden onset of memory loss in the elderly Sudden onset of memory loss in the elderly