Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section
Main articleSomatosensory evoked potentials from the thalamic sensory relay nucleus (VPL) in humans: correlations with short latency somatosensory evoked potentials recorded at the scalpPotentiels évoqués somatosensoriels du noyau de relais sensoriel thalamique (VPL) chez l'homme: corrélation avec des potentiels évoqués somatosensoriels à courte latence enregistrés sur le scalp☆
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Cited by (78)
Directional recordings of somatosensory evoked potentials from the sensory thalamus in chronic poststroke pain patients
2023, Clinical NeurophysiologyA new potential specifically marks the sensory thalamus in anaesthetised patients
2019, Clinical NeurophysiologyCitation Excerpt :This nucleus is partially surrounded by the anterior medial portion of the ventral caudate nucleus (V.c.); at some angles, a trajectory through the V.c. can be used to gain access to the Ce. DBS in the V.c. provides the opportunity to record somatosensory evoked potentials (SSEPs) from final DBS electrodes (Katayama and Tsubokawa, 1987; Hanajima et al, 2004a;) and microelectrode recordings (MERs) (Hanajima et al., 2004a). The V.c. response to electrical stimulation comprises two components (Klostermann et al., 2000; Klostermann et al., 2002; Hanajima et al., 2004a): a local field potential (LFP) and a very high frequency oscillation (VHFO) of approximately 1–1.5 kHz.
High test-retest-reliability of pain-related evoked potentials (PREP) in healthy subjects
2017, Neuroscience LettersCitation Excerpt :In several studies of somatosensory evoked potentials [14,28,30] and laser-evoked-potentials (LEP) [4,20], differing potential components have been reported. While early potential sections were attributed to a thalamic activity [14], the mean components were interpreted as an activation of the somatosensory cortex and for the late parameters an influence of cognition, consciousness and attention could be shown [21,33]. These findings should be considered in further analyses of PREP and the corresponding evoked pain intensity during PREP recordings, for example in subsequent MRI or MEG studies.
Laser evoked potential recording from intracerebral deep electrodes
2009, Clinical NeurophysiologyCitation Excerpt :For instance, this proved useful in identifying thalamic SEP components. Indeed, after non-noxious somatosensory stimuli IC electrodes located within or close to the thalamus record a triphasic component (Tsuji et al., 1984; Tsuji et al., 1984; Suzuki and Mayanagi, 1984; Albe-Fessard et al., 1986; Katayama and Tsubokawa, 1987; Morioka et al., 1989; Insola et al., 1999, 2004), thought to represent a postsynaptic event due to the ventro–postero–lateral (VPL) neuron excitation by lemniscal afferents (Klostermann et al., 2002). In our patients, there are two main elements not to consider the potentials recorded by the deep IC electrodes as near-field potentials generated by subcortical structures.
Chapter 17 Intraoperative recording of the very fast oscillatory activities evoked by median nerve stimulation in the human thalamus
2006, Supplements to Clinical Neurophysiology
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This research was supported by Japan Education Ministry Grant 60480333.