Dual task performance in early Alzheimer's disease, amnestic mild cognitive impairment and depression.
Lonie JA., Tierney KM., Herrmann LL., Donaghey C., O'Carroll RE., Lee A., Ebmeier KP.
The dual task paradigm (Baddeley et al. 1986; Della Sala et al. 1995) has been proposed as a sensitive measure of Alzheimer's dementia, early in the disease process.