In the article by Craft et al titled "Enhancement of Memory in Alzheimer Disease With Insulin and Somatostatin, but Not Glucose," published in the December 1999 issue of the ARCHIVES (1999;56:1135-1140), typographical errors appear in the dosage unit for octreotide. On page 1135, lines 8 and 12 of the "Methods" heading of the abstract, and on page 1136, lines 13 and 20 of the "Infusion Protocol" subsection of the "Subjects and Methods" section, the unit following 150 should have read "µg/h" (micrograms per hour).