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Asymmetry in the human primary somatosensory cortex and handedness
2003
NeuroImage
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Less is known about hemispheric asymmetries in the somatosensory cortex. ...
Brain asymmetry is a phenomenon well known for handedness and language specialization and has also been studied in motor cortex. ...
Special thanks to Gertrud Schatt for technical assistance and Harald Bornfleth for his advice concerning BESA. ...
doi:10.1016/s1053-8119(03)00164-2
pmid:12880820
fatcat:fmlnm3wdyfe4nc2i55r36znf7m
Cortical Asymmetries during Hand Laterality Task Vary with Hand Laterality: A fMRI Study in 295 Participants
2016
Frontiers in Human Neuroscience
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In addition, we show that this inter-hemispheric organization extends outside the posterior parietal in two regions within the post-central gyrus including the primary somatosensory cortex, the asymmetry ...
These regions included the precentral, central and postcentral gyrus corresponding to the lateral premotor, primary motor and somatosensory cortex, respectively, all regions being involved in motor execution ...
The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with ...
doi:10.3389/fnhum.2016.00628
pmid:27999536
pmcid:PMC5138568
fatcat:axr7kvtsxjefpfesefja3ivree
Structural and Functional Asymmetry in the Human Parietal Opercular Cortex
2009
Journal of Neurophysiology
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Structural and functional asymmetry in the human parietal opercular cortex. . ...
Tactile-vibration-activated foci in insular and parietal-opercular cortex studied with positron emission tomography: mapping the second somatosensory area in humans. ...
I N T R O D U C T I O N In humans, innocuous somatosensory stimuli elicit the earliest and most prominent cortical activations in the contralateral primary somatosensory (SI) and bilateral operculoinsular ...
doi:10.1152/jn.91264.2008
pmid:19357343
pmcid:PMC3817274
fatcat:33gl4x2dbzb5hnocr3qoqzmilm
Functional Lateralization of Face, Hand, and Trunk Representation in Anatomically Defined Human Somatosensory Areas
2008
Cerebral Cortex
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We used functional magnetic resonance imaging (fMRI) and cytoarchitectonic probability maps to investigate the responsiveness of individual areas in the human primary and secondary somatosensory cortices ...
A Bayesian modeling approach to quantify the probability of ipsilateral activations revealed that areas OP 1, OP 4, and OP 3 of the SII cortex as well as the trunk and face representations within all SI ...
Address correspondence to Simon Eickhoff, MD, Institute for Neurosciences and Biophysics --Medicine (INB-3), Forschungszentrum Ju¨lich GmbH, Leo-Brandt Str. 5, 52425 Ju¨lich, Germany. ...
doi:10.1093/cercor/bhn039
pmid:18372289
pmcid:PMC2724832
fatcat:tfpuwxmjszeu5lt3iyix5uxyny
Page 2824 of The Journal of Neuroscience Vol. 22, Issue 7
[page]
2002
The Journal of Neuroscience
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REFERENCES
Amunts K, Schlaug G, Schleicher A, Steinmetz H, Dabringhaus A, Roland PE, Zilles K (1996) Asymmetry in the human motor cortex and handedness. NeuroImage 4:216-222. ...
The absent relationship between neural activity in the SM1 and handedness in the present study suggests that asymmetries in the SMI pri- marily reflect a long-term consequence of handedness, rather than ...
Anomalous Somatosensory Cortical Localization in Schizophrenia
2003
American Journal of Psychiatry
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These findings suggest the possibility of anatomical displacement and/or disturbed organization of the primary sensory cortex in schizophrenia. ...
This study examines magnetoencephalographic localization of field sources evoked by tactile stimulation generated in area 3b of the primary somatosensory cortex in patients with schizophrenia compared ...
displacement and/or disturbed organization of the primary sensory cortex in this disorder. ...
doi:10.1176/appi.ajp.160.12.2148
pmid:14638585
fatcat:2t3ni2wferco7li362ldomw3ai
Page 4194 of The Journal of Neuroscience Vol. 15, Issue 6
[page]
1995
The Journal of Neuroscience
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4194 Riddle and Purves = Individual Variation and Lateral Asymmetry in Rat Cortex
Table 4. ...
Stensaas SS, Eddington DK, Dobelle WH (1974) The topography and variability of the primary visual cortex in man. J Neurosurg 40:747- 755. ...
Page 2947 of The Journal of Neuroscience Vol. 12, Issue 8
[page]
1992
The Journal of Neuroscience
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Sherman GF, Galaburda AM (1984) Neocortical asymmetry and open- field behavior in the rat. Exp Neurol 86:473—-482. ...
Tan U (1985) Relationships between hand skill and the excitability of motoneurons innervating the postural soleus muscle in human
subjects. Int J Neurosci 26:289-300. ...
Correlations between hand preference and cortical thickness in the secondary somatosensory (SII) cortex of the common marmoset, callithrix jacchus
2008
Behavioral Neuroscience
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Cortical asymmetries are well established in humans for language and motor regions and correlate with handedness. ...
Comparison of this site with previously published functional maps of the marmoset cortex show this area corresponds to SII, a region involved in tactile processing and somatosensory discriminations. ...
Vanselow and Dr N. Branson for conducting the euthanasia and extracting the brains, L. Stewart for care of the marmoset colony and to L. Larsen for assistance with the histology. ...
doi:10.1037/a0013279
pmid:19045953
fatcat:6cgooltbqzaevgdkfj3y3z2wli
Motor cortex and hand motor skills: Structural compliance in the human brain
1997
Human Brain Mapping
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Lacking a direct in vivo measurement of the primary motor cortex in humans, we assumed that the ILPG is a measure of the size of the primary motor cortex. ...
Recent studies in humans and nonhuman primates have shown that the functional organization of the human sensorimotor cortex changes following sensory stimulation or following the acquisition of motor skills ...
There is also previous evidence that the primary motor cortex might show a structural correlate of handedness. ...
doi:10.1002/(sici)1097-0193(1997)5:3<206::aid-hbm5>3.0.co;2-7
pmid:20408216
fatcat:mfdcwo7zsvhh3nwgbvkhmgmgmy
Asymmetries of cortical thickness: effects of handedness, sex, and schizophrenia
2007
NeuroReport
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Sex, handedness, and disease processes in schizophrenia may affect the magnitude and/or direction of structural brain asymmetries. ...
Within-group asymmetries were observed in sensorimotor, perisylvian, and parahippocampal cortices (leftward) and in anterior mesial frontal cortices (rightward). ...
Initiative (P20 RR020750), the National Library of Medicine (RO1 LM05639), the NIH Roadmap for Medical Research, Grant U54 RR021813 entitled Center for Computational Biology (CCB), and a Career Development ...
doi:10.1097/wnr.0b013e3282e9a5a2
pmid:17712268
pmcid:PMC3197832
fatcat:iqbug52zzvbzzjgdx5eqc6t65m
Functional activation in motor cortex reflects the direction and the degree of handedness
1997
Proceedings of the National Academy of Sciences of the United States of America
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This work was supported by the National Institutes of Health Grant NS 32437, the Charles A. Dana Foundation, the Department of Veterans Affairs, and the American Legion chair in Brain Sciences. ...
Lewis and A. P. Georgopoulos for constructive comments on the manuscript, and A. Verbanov and G. Oehlert for helpful discussion. ...
These include, in the human, the volume of motor and somatosensory cortex related to the hand compared with the foot or trunk ʈ (6) and, in rodents, the volume of cortex devoted to the vibrissae (8) ...
doi:10.1073/pnas.94.25.14015
pmid:9391144
pmcid:PMC28424
fatcat:gcgmajrdi5apji3qox5qlaj7gm
Page 4246 of Psychological Abstracts Vol. 93, Issue 12
[page]
2006
Psychological Abstracts
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differ in brain asymmetries for specific regions of the primary motor cortex. ...
(Department of General Psychology, University of Padova, Padova, Italy) Further evidence of an association between handedness and neuro- anatomical asymmetries in the primary motor cortex of chimpanzees ...
Page 4399 of Psychological Abstracts Vol. 81, Issue 10
[page]
1994
Psychological Abstracts
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(U Montreal, Dept of Physiology, PQ, Canada) Tactile activity in primate primary somatosensory cortex dur- ing active arm movements: Correlation with receptive field properties. ...
—Recorded tactile activity in the somatosensory cortex (SSC) of 3 monkeys during a range of arm movements. ...
Persistent pain inhibits contralateral somatosensory cortical activity in humans
1992
Neuroscience Letters
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In contrast, cortical rCBF was increased during vibratory and sensorimotor tasks, in the contralateral somatosensory and sensorimotor areas, respectively. ...
Contralateral somatosensory rCBF was decreased when the digits of the hand were immersed in a hot water bath for 3 min which was rated as moderately painful (persistent pain). ...
Greenspan for participating in the project; F. Marano for constructing the dental plates; J.W. Holsapple for help in the design and J. Maines and E. Dixon for constructing the headholder; and, B.R. ...
doi:10.1016/0304-3940(92)90088-o
pmid:1501770
fatcat:u7dwluzzyfeh7iyrwnltmxpvue
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