The link below is to an article which nicely outlines three important presentations of Frontotemporal Dementia (FTD) – a common form of early onset dementia – dementia which affects people in their 50s and 60s: Behavioural variant FTD; Language variant FTD; Amyotrophic Lateral Sclerosis (motor neurone disease) with FTD. Or read about it in Your Brain in Sickness and in Health: page 66 and descriptions/explanations elsewhere in the book of particular issues with this disorder such as deterioration in social…..