A Study to Evaluate Safety, Side Effects, Muscle Activity and Speed of Gastric Emptying of GSK962040

Inclusion Criteria: * Healthy male or female subjects aged between 18 and 55 years inclusive. Healthy subjects are defined as individuals who are free from clinically significant illness or disease as determined by their medical history (including family), physical examination, laboratory studies, and other tests. A female subject may be enrolled in the study regardless of whether she is currently of non-childbearing potential or of childbearing potential, as long as the following conditions are observed: \- Females of non-childbearing potential: These are defined as females, regardless of their age, with functioning ovaries and who have a current documented tubal ligation \[Hatcher, 2004\] or hysterectomy, or females who are post-menopausal. \- Females of childbearing potential: These are defined as females, regardless of their age, with functioning ovaries and no documented impairment of oviductal or uterine function that would cause sterility. This category includes females with oligomenorrhea and females who are perimenopausal. To be eligible for the study, the female of childbearing potential * must have a negative pregnancy test at screening before enrolment into the study; and * must agree to use one of the highly effective methods for avoiding pregnancy in the protocol, from the Screening Visit throughout the duration of the study up to and including the follow-up clinic visit, which is anticipated to take place 7-10 days after the last dose of study medication …