Keywords Simlpe obesity;gastric capacity;introgastric pressure;gastric compliance;gastric myoelectrical activity;autonomic nervous function;hormone;

• 单纯性肥胖;胃容量;胃内压;胃顺应性;胃电活动;自主神经;胃动素;瘦素;生长素;胰高糖素肽-1;