<prompt> Increase in threshold level on applying subthreshold, slowly rising stimulus is kaAdaptationAccomodationRefractorinessElectrotonus  <response>: Neural accommodation. Neural accommodation or neuronal accommodation occurs when a neuron or muscle cell is depolarised by slowly rising current ramp depolarisation in vitro Ref: guyton and hall textbook of medical physiology 12 edition page number: 543,544,545 