Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section
Human hand and lip sensorimotor cortex as studied on electrocorticography☆
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Cited by (34)
MEG in the macaque monkey and human: Distinguishing cortical fields in space and time
2010, Brain ResearchCitation Excerpt :In monkeys, previous work recording intracranial somatosensory evoked potentials (SEP's) using electrical stimulation applied to median nerve, lip, tongue and palate showed that, as in our study, latencies were slightly shorter for lip relative to hand responses (N9–P14 for lip and N10–P20 for hand; McCarthy and Allison, 1995). In humans, the evoked fields resulting from lip stimulation show a clear ∼ 20 ms peak as well as a later ∼ 35 ms peak (Table 2; Disbrow et al., 2003; Hoshiyama et al., 1996; Nakahara et al., 2004; Nakamura et al., 1998) with latencies for the lip response shorter than the digit response (Baumgartner et al., 1992). It is likely that the monkey ∼ 10 ms and ∼ 25 ms peaks observed here from lip stimulation correspond with the human ∼ 20 ms and ∼ 35 ms peaks respectively.
Oral structure representation in human somatosensory cortex
2008, NeuroImageFace representation in the human primary somatosensory cortex
2004, Neuroscience ResearchCortical somatosensory evoked potential mapping
2003, Handbook of Clinical NeurophysiologyCitation Excerpt :Median nerve stimulation at the wrist and posterior tibial nerve stimulation at the ankle are the most popular stimulation sites, to obtain SSEPs of the cortical “hand” and “foot” areas, respectively. For face area SSEPs, stimulation can be applied directly on the lip (mandibular branch of the trigeminal nerve), cheek, or chin (Baumgartner et al., 1992; McCarthy et al., 1993). The polarity of the stimuli can be alternated to minimize stimulus artifact.
Representation of the ear in human primary somatosensory cortex
2001, NeuroImageSomatosensory evoked high-frequency oscillations recorded directly from the human cerebral cortex
2000, Clinical Neurophysiology
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This research was supported by the Fonds zur Förderung der wissenschaftlichen Forschung Österreichs (Erwin Schrödinger Stipendium J246M and J334MED and Forschungsprojekt P7434) and by USPHS Grant 1-R01-NS20806.