A 58 year old male who is a known case of diabetes mellitus , hypeensionn and hypercholesterolemis presented with loss of sensation below the level of the umbilicus. There is no motor loss. His bowel and bladder function is intact. MRI scan revealed spinal infarction affecting the posterior white columns in the tenth thoracic segment of the spinal cord. Which of the following sensations would be intact in this patient.