Inclusion Criteria:  Age 22 years old or older Able to provide written informed consent Patients with a suspected motility disorder, meetingRome IVCriteria for functional dyspepsia or chronic nausea and vomiting syndromes or having a diagnosis of gastroparesis as confirmed by a standardized gastric scintigraphy study, including having >10% gastric meal retention at 4-hours.  Exclusion Criteria:  BMI >35 kg m(2) Known metabolic, neurogenic or endocrine disorders known to cause gastrointestinal dysmotility e.g. multiple sclerosis, Parkinson's disease, hypothyroidism Known current gastrointestinal infection (includes H.pylori when being actively treated) Known current inflammatory bowel disease Known current gastrointestinal malignancy Previous gastroduodenal surgery Open abdominal wounds or abdominal skin not intact (e.g.rash, abrasions, weeping tissues) Fragile skin evidenced by high susceptibility to skin tears or skin that bruises easily Regular cannabis use Allergy to adhesives Pregnancy