“…These may include psychological factors, such as depressive personality traits and self-efficacy (Bruce et al, 2010;Ciechanowski et al, 2000), social interactions, such as caregiver support (Feil et al, 2009;Nicklett & Liang, 2010;Okura et al, 2009), and behaviors associated with cognitive decline and dementia, such as impairments in insight, motivation, personality, mood, and impulse control (Ballard et al, 2000;Kaufer et al, 2000). Even in cognitively normal persons, individual differences in executive function have been found to influence health behaviors such as diet and exercise adherence (Hall et al, 2006(Hall et al, , 2008Williams et al, 2009). …”