A Single Ascending Dose, and Food Effect Study of ABBV-7828 in Healthy Adults

Inclusion Criteria: * Individuals between 18 to 65 years of age at the time of screening. * BMI is \<= 18.0 to \>= 32.0 kg/m2. * A condition of general good health, based upon the results of a medical history, physical evaluations, vital signs, laboratory profile and a 12-lead ECG. Exclusion Criteria: * History of epilepsy, any clinically significant cardiac, respiratory (except mild asthma as a child), renal, hepatic, gastrointestinal, hematologic or psychiatric disease or disorder, or any uncontrolled medical illness. * Has any clinically significant ECG abnormalities including the following: * Evidence of 2nd or 3rd degree atrial ventricular (AV) block at screening visit or upon initial confinement * QT interval corrected for heart rate (QTc) using Fridericia's correction formula (QTcF) \> 450 msec (males) or \> 460 msec (females) at screening visit or upon initial confinement. * History of any clinically significant sensitivity or allergy to any medication or food. * History of or active medical condition(s) or surgical procedure(s) that might affect gastrointestinal motility, pH, or absorption.