Substudy 'B' of the Accuracy of Ingestible Event Marker (IEM) Detection by the Medical Information Device #1 (MIND1)

Inclusion Criteria: * Healthy males or healthy non-pregnant females 18 to 65 years of age at the time of informed consent who are willing to either practice abstinence or 2 barrier methods of birth control or 1 barrier method and an oral contraceptive method. * Subject must be in good general health (not suffering from a serious chronic mental or physical disorder that has required or may in the near future require urgent medical care). * Body mass index between 19 to 32 kg/m2 (inclusive). Exclusion Criteria: * Subject with a history of skin sensitivity to adhesive medical tape or metals. * Subject with a history or evidence of a medical condition that would expose him or her to an undue risk of a significant adverse event (AE) or interfere with assessments of safety during the course of the trial. * Subject has received any investigational product within the last 30 days. * Subject has a current history of drug or alcohol dependence that meets Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) criteria. * Subject has the presence of cognitive impairment. * Subject currently taking antipsychotic medication. * Subject with a terminal illness. * Subject with a history of chronic dermatitis. * Subject with a history of gastrointestinal surgery that could impair absorption. * Female subject who is breastfeeding and/or who has a positive serum pregnancy test result prior to receiving trial medications. * Sexually active women of childbearing potential (WOCBP) who will not commit to using 2 forms of approved birth control methods or who will not remain abstinent during this trial and for 30 days following the last dose of trial medication. * Sexually active males who will not commit to using 2 of the approved birth control methods or who will not remain abstinent for the duration of the trial and for 90 days following the last dose of trial medication. * No permanent physical residence. * A diastolic blood pressure reading \>95 mm Hg or symptomatic hypotension. * Any subject who, in the opinion of the investigator, should not participate in the trial.