Richards M, Marder K, Bell K, Dooneief G, Mayeux R, Stern Y
Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY.
Arch Neurol. 1991 Nov;48(11):1147-9. doi: 10.1001/archneur.1991.00530230055021.
Extrapyramidal signs were rated by three neurologists in 20 patients who had either been diagnosed as having probable Alzheimer's disease or who were being evaluated for dementia. In general, good interrater reliability was found for the presence or absence of extrapyramidal signs, although agreement over the presence of some signs was reduced when distinctions between normality and slight departures from normality were required.
