Reflex and sensory tests, including pinprick, temperature, light touch, vibration, and position sensation, were performed as part of the TCSS.
Pinprick, temperature, light touch, vibration and position sense were graded as: (0) normal; (1) abnormal at the toes only; (2) between the toes and the ankle; or (3) or above the ankle [ 19].
The existence of a large number of functionally specialized DRG sensory neuron subtypes, each endowed with unique morphological and physiological properties enables the somatosensory system to encode diverse sensory information, including nociception, temperature, light touch, limb movement, and body position.
As determined by the TCNS questionnaire, neuropathic symptoms included numbness, tingling, weakness, foot pain, or ataxia, and neuropathic signs included abnormal knee or ankle reflexes, temperature, light touch, monofilament, or vibration sensation (26).
Clinical criteria required the presence of more than one symptom (numbness, tingling, weakness, foot pain, or ataxia) or sign (abnormal knee or ankle reflexes, temperature, light touch, monofilament, or vibration sensation), in keeping with a distal symmetrical neuropathic pattern of onset and progression.
The clinical signs and symptoms of DPN were further assessed with the Toronto Clinical Neuropathy Score, which is derived from a combination of neurologic assessment of symptoms (i.e., foot pain, numbness, tingling, weakness, ataxia, upper-limb symptoms) and sensory tests (i.e., pinprick, temperature, light touch, vibration, position sense) (16).
Mostly, they encountered well-known types of nerve fibres that respond to temperature or light touch or mechanical pressure.
He can feel pain, temperature changes, light touch, and, importantly, he also has what's called proprioception, which is restored position sense; he knows where his body is in space.
Loss of function in ascending sensory pathways results in the loss of superficial pain, temperature, crude light touch, and scratch sensations if the spinothalamic tract is damaged, but it will cause loss of joint position, vibration, and discriminative light-touch sensations if the dorsal columns are the site of injury.
Few studies of quantitative sensory testing showed that the cutaneous perception of temperature and light touch is impaired within the affected trigeminal divisions [8, 9], suggesting both small and large diameter sensory fiber involvement.
After five minutes, testing for sensory level was performed with an alcohol swab (for temperature) and light touch.
