استثارة العضلات الارادية

Measurement of the sensitive nerve tracts of the limbs via the spinal cord to the brain. 
For example: spinal tumours and tumours of the brain, inflammatory processes, lack of vitamin B12.

Somatosensory evoked potential of the lateral cutaneal femoral nerve. Abnormally delayed cortical response after stimulation at the right site due to nerve lesion.