Table 1.

Definitions of sensory testing included in the review

Sensory testing	Definition
Cold detection threshold	The minimum detectable amount of applied cold
Warm detection threshold	The minimum detectable amount of applied warmth
Thermal sensory limen	The interval between the minimum detectable amount of applied warm and cold
Mechanical detection threshold	The minimum amount of mechanical stimulation that can be detected or elicit pain
Vibration detection threshold	The minimum amount of vibration intensities needed to elicit vibration sensation
Cold pain threshold	The minimum amount of cold needed to elicit pain sensation
Heat pain threshold	The minimum amount of heat needed to elicit pain sensation
Mechanical pain threshold	Geometric mean of series of applied forces via pin prick stimulator of different intensities ranged from 8 to 512 mN
Pressure pain threshold	The minimum amount of pressure needed to elicit painful sensation
Mechanical pain sensitivity	Pain ratings after a series of mechanical stimuli that needed to elicit mechanical pain threshold
Wind-up ratio (temporal summation)	Numerical ratings within five trains of a single pinprick stimulus (a) divided by a series (b) of 10 repetitive pinprick stimuli. WUR is the ratio: b/a
Pain ratings after noxious stimulus	Pain ratings of thermal and mechanical thresholds that provoked pain
Area after pinprick hyperalgesia	Surface area of pain distribution after application of pinprick mechanical stimulus needed to elicit pain
Flare area after electric
stimulus	Area of blood perfusion after application of an electrical stimulus, usually assessed through laser Doppler imaging
Electric pain threshold	The minimum amount of electric current needed to elicit pain
Current (electric) detection threshold	The minimum amount of detected electric current
Dynamic mechanical allodynia	Pathological sensory response to innocuous stimulus, usually assessed through application of cotton piece or foam brush
Paradoxical heat sensation	The perception of heat during rapid cooling of the skin
Conditioned pain modulation	The increase in thermal or mechanical pain thresholds after application of noxious stimulus in remote area away from the affected area. It represents the spatial assessor of endogenous pain modulation
Levels of pleasantness	The pleasantness level after application of stroking of velocity commonly ranged from 1 to 10 cm/s with C-tactile fibers are responsible for affective touch processing