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February 1983, Vol 40, No. 2 >
Article | February 1983

Origin of Far-Field Subcortical Evoked Potentials to Posterior Tibial and Median Nerve Stimulation: Title and subTitle BreakA Comparative Study

Hans Lueders, MD; Dudley S. Dinner, MD; Ronald P. Lesser, MD; George Klem, REEGT
[+] Author Affiliations

Accepted for publication May 21, 1982.

Reprint requests to Department of Neurology, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44106 (Dr Lueders).


Arch Neurol. 1983;40(2):93-97. doi:10.1001/archneur.1983.04050020055011
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Comments

• Posterior tibial nerve (PTN) evoked potentials (EPs) at the lumbar—low thoracic level have waveforms similar to median nerve (MN) EPs at the cervical level. They consist of a short-duration negativity (N18 and N10, respectively), which reflects the afferent volley before it enters the spinal canal, and a longer-duration, later negativity (N20 and N12, respectively), which consists mainly of slow frequencies and most probably is a postsynaptic dorsal cord potential. At the neck-scalp derivation the MN EP consists of two near-field negativities (N10 and N12) that are recorded from the neck electrode and two far-field positivities (P11 and P13) that are recorded from the scalp electrode. The neck-scalp response to PTN stimulation consists of a near field potential N24 that is followed by a far-field potential P27.

REFERENCES

1 +
Cracco WM, Cracco JB:  Somatosensory evoked potentials in man: Far field potentials . Electroencephalogr Clin Neurophysiol 1976;; 41:460-466.
2 +
Jones SJ:  Short latency potentials recorded from the neck and scalp following median nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1977;;43:853-863.
3 +
El-Negamy E, Sedgwick EM:  Properties of a spinal somatosensory evoked potential recorded in man . J Neurol Neurosurg Psychiatry 1978;; 41:762-768.
4 +
Hume AL, Cant BR:  Conduction time in central somatosensory pathways in man . Electroencephalogr Clin Neurophysiol 1978;;45:361-375.
5 +
Kimura J, Yamada T, Kawamura H:  Central latencies of somatosensory cerebral evoked potentials . Arch Neurol 1978;;35:683-688.
6 +
Kritchevsky M, Wiederholt WC:  Shortlatency somatosensory evoked potentials . Arch Neurol 1978;;35:706-711.
7 +
Chiappa KH, Choi SK, Young RR:  Short-latency somatosensory evoked potentials following median nerve stimulation in patients with neurological lesions . Prog Clin Neurophysiol 1980;;7:264-281.
8 +
Desmedt JE, Cheron G:  Central somatosensory conduction in man: Neural generators and interpeak latencies of the far field components recorded from neck and right or left scalp and ear lobes . Electroencephalogr Clin Neurophysiol 1980;;50:382-403.
9 +
Yamada T, Kimura J, Nitz DM:  Short latency somatosensory evoked potentials following median nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1980;;48:367-376.
10 +
Lesser RP, Lueders H, Hahn J, et al:  The origin of the early somatosensory potentials evoked by median nerve stimulation in man: Results of intraoperative monitoring . Neurology 1981;;31:1519-1523.
11 +
Tsumoko T, Hirose N, Nomaka S, et al:  Analysis of somatosensory evoked potentials to lateral popliteal nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1972;;33:379-388.
12 +
Cracco JB, Cracco RQ:  Somatosensory evoked potentials to median nerve stimulation in man . Electroencephaloyr Clin Neurophysiol 1973;;35:179.
13 +
Cracco RQ:  Spinal evoked response: Peripheral nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1973;; 35:379-386.
14 +
Cracco JB, Cracco RQ, Graziani LJ:  The spinal evoked response in infants and children . Neurology 1975;;25:31-36.
15 +
Delbeke J, McComas AJ, Kopec SJ:  Analysis of evoked lumbo-sacral potentials in man . J Neurol Neurosurg Psychiatry 1978;;41:293-302.
16 +
Dimitrijevic MR, Larson LE, Lehmkuhl D, et al:  Evoked spinal cord and nerve root potentials in humans using a non-invasive recording technique . Electroencephalogr Clin Neurophysiol 1978;;45:331-340.
17 +
Jones SJ, Small DG:  Spinal and subcortical evoked potentials following stimulation of the posterior tibial nerve in man . Electroencephalogr Clin Neurophysiol 1978;;44:299-306.
18 +
Phillips LH, Daube JR:  Lumbosacral spinal evoked potentials in humans . Neurology 1980;;30:1175-1183.
19 +
Lueders H, Andrish J, Gurd A, et al:  Origin of far field subcortical potentials evoked by stimulation of the posterior tibial nerve . Electroencephalogr Clin Neurophysiol 1981;;52:336-344.
20 +
Lesser RP, Koehle R, Lueders H:  Effect of stimulus intensity on short latency somatosensory evoked potentials . Electroencephalogr Clin Neurophysiol 1979;;47:377-382.
21 +
Lueders H, Lesser R, Hahn J, et al: Subcortical somatosensory evoked potentials to median nerve stimulation. Brain, in press.
22 +
Gasser HS, Graham HT:  Potentials produced in the spinal cord by stimulation of dorsal roots . Am J Physiol 1933;;103:303-320.
23 +
Bernhard CG:  The spinal cord potentials in leads from the cord dorsum in relation to peripheral source of afferent stimulation . Acta Physiol Scand 1953;;29( (suppl 106) ):1-29.
24 +
Lindblom VF, Ottoson JO:  Localization of the structure generating the negative cord dorsum potential evoked by stimulation of low threshold cutaneous fibers . Acta Physiol Scand 1953;;29( (suppl 106) ):180-190.
25 +
Cracco RQ, Cracco JB, Anziska BJ:  Somatosensory evoked potentials in man: Cerebral, subcortical, spinal, and peripheral nerve potentials . Am J EEG Technol 1979;;19:59-81.
26 +
Cracco JB, Bosch VV, Cracco RQ:  Cerebral and spinal somatosensory evoked potentials in children with CNS degenerative disease . Electroencephalogr Clin Neurophysiol 1980;;49:437-445.
27 +
Ertekin C:  Studies on the human evoked electrospinogram: II. The conduction velocity along the dorsal funiculus . Acta Neurol Scand 1976;;53:21-38.
28 +
Broughton RJ: Somatosensory Evoked Potentials in Man: Cortical and Scalp Recordings, thesis. Montreal, McGill University, 1967.
29 +
Cracco RQ:  Travelling waves of the human scalp-recorded somatosensory evoked response . Electroencephalogr Clin Neurophysiol 1972;; 33:557-566.
30 +
Allison T, Goff WR, Williamson PD, et al:  On the neural origin of early components of the human somatosensory evoked potential . Prog Clin Neurophysiol 1980;;7:51-68.
31 +
Desmedt JE, Brunko E, Debecker J:  Maturation and sleep correlates of the somatosensory evoked potential . Prog Clin Neurophysiol 1980;; 7:146-161.
32 +
Cruse R, Klem G, Lesser RP, et al:  Paradoxical lateralization of cortical potentials evoked by stimulation of the posterior tibial nerve . Ann Neurol 1982;;23:291-295.

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1 +
Cracco WM, Cracco JB:  Somatosensory evoked potentials in man: Far field potentials . Electroencephalogr Clin Neurophysiol 1976;; 41:460-466.
2 +
Jones SJ:  Short latency potentials recorded from the neck and scalp following median nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1977;;43:853-863.
3 +
El-Negamy E, Sedgwick EM:  Properties of a spinal somatosensory evoked potential recorded in man . J Neurol Neurosurg Psychiatry 1978;; 41:762-768.
4 +
Hume AL, Cant BR:  Conduction time in central somatosensory pathways in man . Electroencephalogr Clin Neurophysiol 1978;;45:361-375.
5 +
Kimura J, Yamada T, Kawamura H:  Central latencies of somatosensory cerebral evoked potentials . Arch Neurol 1978;;35:683-688.
6 +
Kritchevsky M, Wiederholt WC:  Shortlatency somatosensory evoked potentials . Arch Neurol 1978;;35:706-711.
7 +
Chiappa KH, Choi SK, Young RR:  Short-latency somatosensory evoked potentials following median nerve stimulation in patients with neurological lesions . Prog Clin Neurophysiol 1980;;7:264-281.
8 +
Desmedt JE, Cheron G:  Central somatosensory conduction in man: Neural generators and interpeak latencies of the far field components recorded from neck and right or left scalp and ear lobes . Electroencephalogr Clin Neurophysiol 1980;;50:382-403.
9 +
Yamada T, Kimura J, Nitz DM:  Short latency somatosensory evoked potentials following median nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1980;;48:367-376.
10 +
Lesser RP, Lueders H, Hahn J, et al:  The origin of the early somatosensory potentials evoked by median nerve stimulation in man: Results of intraoperative monitoring . Neurology 1981;;31:1519-1523.
11 +
Tsumoko T, Hirose N, Nomaka S, et al:  Analysis of somatosensory evoked potentials to lateral popliteal nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1972;;33:379-388.
12 +
Cracco JB, Cracco RQ:  Somatosensory evoked potentials to median nerve stimulation in man . Electroencephaloyr Clin Neurophysiol 1973;;35:179.
13 +
Cracco RQ:  Spinal evoked response: Peripheral nerve stimulation in man . Electroencephalogr Clin Neurophysiol 1973;; 35:379-386.
14 +
Cracco JB, Cracco RQ, Graziani LJ:  The spinal evoked response in infants and children . Neurology 1975;;25:31-36.
15 +
Delbeke J, McComas AJ, Kopec SJ:  Analysis of evoked lumbo-sacral potentials in man . J Neurol Neurosurg Psychiatry 1978;;41:293-302.
16 +
Dimitrijevic MR, Larson LE, Lehmkuhl D, et al:  Evoked spinal cord and nerve root potentials in humans using a non-invasive recording technique . Electroencephalogr Clin Neurophysiol 1978;;45:331-340.
17 +
Jones SJ, Small DG:  Spinal and subcortical evoked potentials following stimulation of the posterior tibial nerve in man . Electroencephalogr Clin Neurophysiol 1978;;44:299-306.
18 +
Phillips LH, Daube JR:  Lumbosacral spinal evoked potentials in humans . Neurology 1980;;30:1175-1183.
19 +
Lueders H, Andrish J, Gurd A, et al:  Origin of far field subcortical potentials evoked by stimulation of the posterior tibial nerve . Electroencephalogr Clin Neurophysiol 1981;;52:336-344.
20 +
Lesser RP, Koehle R, Lueders H:  Effect of stimulus intensity on short latency somatosensory evoked potentials . Electroencephalogr Clin Neurophysiol 1979;;47:377-382.
21 +
Lueders H, Lesser R, Hahn J, et al: Subcortical somatosensory evoked potentials to median nerve stimulation. Brain, in press.
22 +
Gasser HS, Graham HT:  Potentials produced in the spinal cord by stimulation of dorsal roots . Am J Physiol 1933;;103:303-320.
23 +
Bernhard CG:  The spinal cord potentials in leads from the cord dorsum in relation to peripheral source of afferent stimulation . Acta Physiol Scand 1953;;29( (suppl 106) ):1-29.
24 +
Lindblom VF, Ottoson JO:  Localization of the structure generating the negative cord dorsum potential evoked by stimulation of low threshold cutaneous fibers . Acta Physiol Scand 1953;;29( (suppl 106) ):180-190.
25 +
Cracco RQ, Cracco JB, Anziska BJ:  Somatosensory evoked potentials in man: Cerebral, subcortical, spinal, and peripheral nerve potentials . Am J EEG Technol 1979;;19:59-81.
26 +
Cracco JB, Bosch VV, Cracco RQ:  Cerebral and spinal somatosensory evoked potentials in children with CNS degenerative disease . Electroencephalogr Clin Neurophysiol 1980;;49:437-445.
27 +
Ertekin C:  Studies on the human evoked electrospinogram: II. The conduction velocity along the dorsal funiculus . Acta Neurol Scand 1976;;53:21-38.
28 +
Broughton RJ: Somatosensory Evoked Potentials in Man: Cortical and Scalp Recordings, thesis. Montreal, McGill University, 1967.
29 +
Cracco RQ:  Travelling waves of the human scalp-recorded somatosensory evoked response . Electroencephalogr Clin Neurophysiol 1972;; 33:557-566.
30 +
Allison T, Goff WR, Williamson PD, et al:  On the neural origin of early components of the human somatosensory evoked potential . Prog Clin Neurophysiol 1980;;7:51-68.
31 +
Desmedt JE, Brunko E, Debecker J:  Maturation and sleep correlates of the somatosensory evoked potential . Prog Clin Neurophysiol 1980;; 7:146-161.
32 +
Cruse R, Klem G, Lesser RP, et al:  Paradoxical lateralization of cortical potentials evoked by stimulation of the posterior tibial nerve . Ann Neurol 1982;;23:291-295.

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