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  • 1
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    Reorganization of retinotopic cortical maps in adult mammals after lesions of the retina (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-04-13
    Description: The organization of the visual cortex has been considered to be highly stable in adult mammals. However, 5 degrees to 10 degrees lesions of the retina in the contralateral eye markedly altered the systematic representations of the retina in primary and secondary visual cortex when matched inputs from the ipsilateral eye were also removed. Cortical neurons that normally have receptive fields in the lesioned region of the retina acquired new receptive fields in portions of the retina surrounding the lesions. The capacity for such changes may be important for normal adjustments of sensory systems to environmental contingencies and for recoveries from brain damage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaas, J H -- Krubitzer, L A -- Chino, Y M -- Langston, A L -- Polley, E H -- Blair, N -- New York, N.Y. -- Science. 1990 Apr 13;248(4952):229-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Vanderbilt University, Nashville, TN 37240.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2326637" target="_blank"〉PubMed〈/a〉
    Keywords: Afferent Pathways/physiology ; Animals ; Cats ; Functional Laterality ; Neurons/physiology ; Photic Stimulation ; Retina/*physiology ; Somatosensory Cortex/physiology ; Visual Cortex/anatomy & histology/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Massive cortical reorganization after sensory deafferentation in adult macaques (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-28
    Description: After limited sensory deafferentations in adult primates, somatosensory cortical maps reorganize over a distance of 1 to 2 millimeters mediolaterally, that is, in the dimension along which different body parts are represented. This amount of reorganization was considered to be an upper limit imposed by the size of the projection zones of individual thalamocortical axons, which typically also extend a mediolateral distance of 1 to 2 millimeters. However, after extensive long-term deafferentations in adult primates, changes in cortical maps were found to be an order of magnitude greater than those previously described. These results show the need for a reevaluation of both the upper limit of cortical reorganization in adult primates and the mechanisms responsible for it.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pons, T P -- Garraghty, P E -- Ommaya, A K -- Kaas, J H -- Taub, E -- Mishkin, M -- New York, N.Y. -- Science. 1991 Jun 28;252(5014):1857-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1843843" target="_blank"〉PubMed〈/a〉
    Keywords: Afferent Pathways/*physiology ; Animals ; *Brain Mapping ; Hand/innervation ; Jaw/innervation ; Macaca fascicularis/*physiology ; Somatosensory Cortex/anatomy & histology/*physiology ; Spinal Nerve Roots/*physiology ; Stereotaxic Techniques
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    The geometric structure of the brain fiber pathways (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-31
    Description: The structure of the brain as a product of morphogenesis is difficult to reconcile with the observed complexity of cerebral connectivity. We therefore analyzed relationships of adjacency and crossing between cerebral fiber pathways in four nonhuman primate species and in humans by using diffusion magnetic resonance imaging. The cerebral fiber pathways formed a rectilinear three-dimensional grid continuous with the three principal axes of development. Cortico-cortical pathways formed parallel sheets of interwoven paths in the longitudinal and medio-lateral axes, in which major pathways were local condensations. Cross-species homology was strong and showed emergence of complex gyral connectivity by continuous elaboration of this grid structure. This architecture naturally supports functional spatio-temporal coherence, developmental path-finding, and incremental rewiring with correlated adaptation of structure and function in cerebral plasticity and evolution.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773464/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773464/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wedeen, Van J -- Rosene, Douglas L -- Wang, Ruopeng -- Dai, Guangping -- Mortazavi, Farzad -- Hagmann, Patric -- Kaas, Jon H -- Tseng, Wen-Yih I -- P41 RR-023953/RR/NCRR NIH HHS/ -- P41 RR-14075/RR/NCRR NIH HHS/ -- P41 RR014075/RR/NCRR NIH HHS/ -- P41 RR023953/RR/NCRR NIH HHS/ -- R01 EY002686/EY/NEI NIH HHS/ -- R01 MH064044/MH/NIMH NIH HHS/ -- R01 NS016446/NS/NINDS NIH HHS/ -- R01-MH652456/MH/NIMH NIH HHS/ -- U01 MH093765/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2012 Mar 30;335(6076):1628-34. doi: 10.1126/science.1215280.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiology, Massachusetts General Hospital (MGH), Harvard Medical School and the MGH/Massachussetts Institute of Technology, Charlestown, MA 02129, USA. van@nmr.mgh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22461612" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aotidae ; Axons/ultrastructure ; Biological Evolution ; Brain Mapping ; Callithrix ; Cerebral Cortex/*anatomy & histology/embryology/ultrastructure ; Diffusion Magnetic Resonance Imaging ; Galago ; Humans ; Image Processing, Computer-Assisted ; Imaging, Three-Dimensional ; Macaca mulatta ; *Nerve Fibers ; Neural Pathways/*anatomy & histology/embryology/ultrastructure ; Prosencephalon/anatomy & histology/ultrastructure ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Large-scale sprouting of cortical connections after peripheral injury in adult macaque monkeys (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-06
    Description: Distributions of thalamic and cortical connections were investigated in four macaque monkeys with long-standing, accidental trauma to a forelimb, to determine whether the growth of new connections plays a role in the reorganization of somatosensory cortex that occurs after major alterations in peripheral somatosensory inputs. In each monkey, microelectrode recordings of cortical areas 3b and 1 demonstrated massive reorganizations of the cortex related to the affected limb. Injections of tracers in area 1 of these monkeys revealed normal patterns of thalamocortical connections, but markedly expanded lateral connections in areas 3b and 1. Thus, the growth of intracortical but not thalamocortical connections could account for much of the reorganization of the sensory maps in cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Florence, S L -- Taub, H B -- Kaas, J H -- HD15052/HD/NICHD NIH HHS/ -- NS16446/NS/NINDS NIH HHS/ -- NS36469/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 6;282(5391):1117-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Vanderbilt University, 301 Wilson Hall, Nashville, TN 37240, USA. sherre.l.florence@vanderbilt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9804549" target="_blank"〉PubMed〈/a〉
    Keywords: *Amputation ; Animals ; Arm/innervation ; Arm Injuries/pathology/*physiopathology ; Brain Mapping ; Face/innervation ; Macaca ; Microelectrodes ; Neural Pathways/physiology ; Neurons, Afferent/*physiology ; Somatosensory Cortex/pathology/*physiopathology ; Thalamus/pathology/*physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Response to comment on "the geometric structure of the brain fiber pathways" (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-10-20
    Description: In response to Catani et al., we show that corticospinal pathways adhere via sharp turns to two local grid orientations; that our studies have three times the diffusion resolution of those compared; and that the noted technical concerns, including crossing angles, do not challenge the evidence of mathematically specific geometric structure. Thus, the geometric thesis gives the best account of the available evidence.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3733383/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3733383/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wedeen, Van J -- Rosene, Douglas L -- Wang, Ruopeng -- Dai, Guangping -- Mortazavi, Farzad -- Hagmann, Patric -- Kaas, Jon H -- Tseng, Wen-Yih I -- P41 RR014075/RR/NCRR NIH HHS/ -- P41 RR023953/RR/NCRR NIH HHS/ -- R01 EY002686/EY/NEI NIH HHS/ -- R01 MH064044/MH/NIMH NIH HHS/ -- R01 NS016446/NS/NINDS NIH HHS/ -- U01 MH093765/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2012 Sep 28;337(6102):1605.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiology, Massachusetts General Hospital, Harvard Medical School and the Martinos Center for Biomedical Imaging, Building 129 13th Street, 2nd floor, Charlestown, MA 02129, USA. van@nmr.mgh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23019633" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cerebral Cortex/*anatomy & histology ; Humans ; *Nerve Fibers ; Neural Pathways/*anatomy & histology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Recovery of normal topography in the somatosensory cortex of monkeys after nerve crush and regeneration (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-08-19
    Description: After median nerve fibers to glabrous skin on the hands of monkeys were crushed and allowed to regenerate, normal topographical organization was recovered in the representation of the hand in primary somatosensory cortex. Similar recovery of normal cortical organization may underlie the sensory restoration that usually follows nerve crush injury in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wall, J T -- Felleman, D J -- Kaas, J H -- New York, N.Y. -- Science. 1983 Aug 19;221(4612):771-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6879175" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aotus trivirgatus/physiology ; Brain Mapping ; Hand/innervation ; *Nerve Crush ; *Nerve Regeneration ; Somatosensory Cortex/*physiology ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Visual cortical function: neuronal operations in the visual cortex (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaas, J H -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1467-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17770073" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Modular segregation of functional cell classes within the postcentral somatosensory cortex of monkeys (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-05-29
    Description: The distribution of two functionally distinct cell types, presumably related to slowly and rapidly adapting mechanoreceptors in the skin, was explored within the representation of the glabrous hand in area 3b of the somatosensory cortex of monkeys. The two cell classes lie in relatively segregated alternating anteroposterior bands within the middle layers of the cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sur, M -- Wall, J T -- Kaas, J H -- New York, N.Y. -- Science. 1981 May 29;212(4498):1059-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7233199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aotus trivirgatus ; Macaca fascicularis ; Neurons/cytology ; Skin/innervation ; Somatosensory Cortex/*cytology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    Multiple representations of the body within the primary somatosensory cortex of primates (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-05-04
    Description: Microelectrode mapping experiments indicate that the classical primary somatosensory cortex of monkeys consists of as many as four separate body representations rather than just one. Two complete body surface representations occupy cortical fields 3b and 1. In addition, area 2 contains an orderly representation of predominantly "deep" body tissues. Area 3a may constitute a fourth representation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaas, J H -- Nelson, R J -- Sur, M -- Lin, C S -- Merzenich, M M -- New York, N.Y. -- Science. 1979 May 4;204(4392):521-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/107591" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Evoked Potentials ; Haplorhini/*anatomy & histology/physiology ; Somatosensory Cortex/*anatomy & histology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Electronic Resource
    Electronic Resource
    Plasticity of Sensory and Motor Maps in Adult Mammals (1991)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Neuroscience 14 (1991), S. 137-167 
    Details
    ISSN: 0147-006X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ne.14.030191.001033
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    Paper (German National Licenses)
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