A Study of Lanabecestat in Healthy Female Participants Taking Oral Contraceptive

Inclusion Criteria: * Are healthy female participants * Women not of childbearing potential; women of childbearing potential using a non-hormonal intrauterine device (IUD) * Have a body mass index (BMI) of 17.5 to 32 kilogram per meter square (kg/m²) Exclusion Criteria: * Have a history of or current significant ophthalmic disease, which includes participants with clinically significant eye abnormalities, particularly any eye problem involving the retina, as determined by the investigator * Have vitiligo or any other clinically significant disorder of skin or hair pigmentation, as determined by the investigator * Have a history of or current neuropsychiatric disease/condition including psychosis, affective disorder, anxiety disorder, borderline state, or personality disorder