It can be especially difficult when it comes to diagnosing a loved one since, when you know someone well, you automatically fill in any gaps, unconsciously read body language or correct misunderstandings.

Unlike aphasia resulting from stroke, primary progressive aphasia (PPA) has a slower onset with more subtle symptoms. It may be harder for family and friends to spot the initial stages of PPA in their loved ones. Dr. Carmela Tartaglia — a neurologist at the Krembil Neuroscience Centre’s Memory Clinic at Toronto Western Hospital — offers some advice on the topic.

Source: How to spot and deal with speech loss – The Globe and Mail