Actigraphic motor activity in mild cognitive impairment patients carrying out short functional activity tasks: comparison between mild cognitive impairment with and without depressive symptoms.

Background: Individuals with mild cognitive impairment (MCI) may exhibit changes in motor activity in conducting their activities of daily living. Depression, one of the most frequent neuropsychiatric symptoms, might affect motor activity in MCI.

Objective: To assess motor activity in MCI subjects carrying out short functional activity tasks using ambulatory actigraphy.