BabyStrong Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) Paired Bottle Feeding to Improve Oral Feeding

In this Phase I study, we will conduct a small-scale safety and feasibility study of 2 different taVNS units and ear electrode positions to optimize the BabyStrong portable taVNS feeding system and test the study design of randomization for 10 days. We will test the BabyStrong feeding system using up to n=10 active and n=10 sham taVNS in infants with twice daily treatment for 10 days, with cross over to alternate treatment for another 7days if there is no progress with feeds (increase \<4ml/kg/d). G-tube placement will be arranged if infant continues to make no progress. If the infant attains full oral feeds and gains weight, they may be discharged at any time during the treatment protocol. The treatment assignment will be blinded to care providers, study personnel and parents. We will compare the number of participants who attain full oral feeds (= or \> 130ml/kg/d with weight gain). Safety measures will be bradycardia and discomfort. Criteria for success of BabyStrong feeding system: No sustained increase in discomfort scores; No bradycardia; attainment of full oral feeds in 50% of infants.