somatosensory evoked potential

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so·ma·to·sen·so·ry e·voked po·ten·tial

the computer-averaged cortical and subcortical responses to repetitive stimulation of peripheral nerve sensory fibers.

somatosensory evoked potential (SEP)

[-sen′sərē]
Etymology: Gk, soma + L, sentire, to feel
evoked potential elicited by repeated stimulation of the pain and touch systems. It is the least reliable of the evoked potentials studied as monitors of neurological function during surgery.
References in periodicals archive ?
Clinical correlations of serial somatosensory evoked potentials in multiple sclerosis.
Intraoperative neurophysiological monitoring continued without any disturbances, until the surgeons started to close the surgical wound, when a sudden bilateral loss of TcMEPs was noted (Figure 1) while the somatosensory evoked potentials were stable.
Use of somatosensory evoked potentials to detect peripheral ischemia and potential injury resulting from positioning of the surgical patient: case reports and discussion.
Somatosensory evoked potential monitoring during carotid endarterectomy in patients with a stroke.
The visual, auditory and somatosensory evoked potentials, and the EEG were within normal limits.
Traumatic cervical spinal cord injury: Relation between somatosensory evoked potentials, neurological deficit, and hand function.
Discussion: Somatosensory evoked potential recording, intraoperative angiography and microvascular and transcranial Doppler are the most popular methods for intraoperative cerebral blood flow monitoring; however, each of methods has its own advantages and disadvantages.
We found that median nerve electroencephalographic tracings and somatosensory evoked potentials in the experimental and control animals were identical.
deficits and with mass effect abnormalities; Dx: MS BAEP = Brain stem auditory evoked potential, CC = corpus callosum, CSF = cerebrospinal fluid, CT = computed tomography, DX = diagnosis, enhanc = enhancing or enhancement, ext = extension; HA = headaches, gen = generalized, HH = homonymous hemianopia, INO = internuclear opthalmoplegia, MRI = magnetic resonance imaging, MS = multiple sclerosis, NI = normal image, OD = right eye, ON = optic neuritis, SSEP = somatosensory evoked potentials, Sx = symptoms of multiple sclerosis, VEP = visual evoked potential.
Some or all of the following might be ordered: visual evoked potentials (VEP); brainstem auditory evoked potentials (BAEP); and/or somatosensory evoked potentials (SSEP).
1) recognition of normal and abnormal electromyographic waveforms; (2) basic anatomy, including surface landmarks and electrode placement; (3) the physiologic basis for nerve conduction, neuromuscular transmission, single muscle fiber and motor unit activity; (4) instrumentation and technical considerations in electrodiagnostic testing; (5) clinicopathologic correlations of a wide range of diseases and injuries that impair neuromuscular function; (6) special techniques, including single fiber studies, motor unit potential analysis, somatosensory evoked potentials, and autonomic testing; and (7) ultrasonography of nerve and muscle.

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