Receiver operating characteristics curves showing discrimination between patients with dementia of the Alzheimer type (at time of diagnosis) and non-demented controls (at baseline) by the visual association test (VAT), CAMCOG picture recall, mini mental state examination (MMSE), and age (study 2, AMSTEL Project). Receiver operating characteristics curves showing discrimination between patients with dementia of the Alzheimer type (at time of diagnosis) and non-demented controls (at baseline) by the visual association test (VAT), CAMCOG picture recall, mini mental state examination (MMSE), and age (study 2, AMSTEL Project). J Lindeboom et al. J Neurol Neurosurg Psychiatry 2002;73:126-133 ©2002 by BMJ Publishing Group Ltd