High-Throughput Phenotyping of the Symptoms of Alzheimer Disease and Related Dementias Using Large Language Models: Cross-Sectional Study

You Cheng   ^{1, 2 *} , PhD ;   Mrunal Malekar   ^{1 *} , MS ;   Yingnan He   ^{1 *} , MS, MPH ;   Apoorva Bommareddy   ¹ , BS ;   Colin Magdamo   ² , BS ;   Arjun Singh   ^{1, 2} , MD ;   Brandon Westover   ^{2, 3} , MD, PhD ;   Shibani S Mukerji   ^{1, 2} , MD, PhD ;   John Dickson   ^{1, 2} , MD, PhD ;   Sudeshna Das   ^{1, 2} , PhD

¹ Department of Neurology, Massachusetts General Hospital, Cambridge, MA, United States

² Harvard Medical School, Boston, MA, United States

³ Department of Neurology, Beth Israel Hospital Boston, Boston, MA, United States

*these authors contributed equally