Reminisce together – photographs and souvenirs may help jog a memory. You can also consider using technology to aid reminiscence and creativity: involve younger generation in looking up a special place, listening to music or playing mind exercise games together on an iPad or tablet; this can improve communication, enhance sense of wellbeing and positively benefit your relationship.
You might both find it enjoyable to share some happy memories from the past. A person who has short term memory loss may be able to remember things from a long time ago quite clearly.
There are some good examples of this kind of work available.