C57BL/6 mice (C57BL/6NTac, RRID:IMSR_TAC:b6, Taconic, Germantown, NJ)
TNBS (Sigma-Aldrich, St. Louis, MO)
Dietary gel (NGB-1; Bio-Serv, Flemington, NJ)
Isoflurane (Hospira Inc., Lake Forest, IL)
22-gauge feeding needle(#18061-22; Fine Science Tools, Foster City, CA)
TDT system (PZ5-32, RZ5D, IZ2H, Tucker-Davis Technologies [TDT], Alachua, FL)
Custom-built colorectal distension device
Needle electrode (FHC, platinum-iridium)
Custom-built recording electrodes
Custom-built perfusion chamber
SigmaPlot v11.0 (Systat Software, Inc., San Jose, CA)
MATLAB v2022 (Mathworks Inc., Natick, MA)