Signs of depression and apathy precede memory problems in Alzheimer’s disease, study shows

People who develop Alzheimer’s disease show signs of depression and apathy before they start to experience memory disturbances, says a US study that observed the natural time course of symptoms before the onset of symptomatic dementia.

Non-cognitive symptoms such as depression, apathy, and aggression are known to occur with advancing cognitive decline in Alzheimer’s disease, but information has been limited on whether these symptoms also precede dementia.

To find out more about the time course …