Morphological and physiological identification of neurons in the cat motor cortex which receive direct input from the somatic sensory cortex
The population of neurons in the cat motor cortex which receives monosynaptic input from a specific functional region of the somatic sensory cortex was identified with the techniques of intracellular recording and staining with HRP. Both pyramidal and nonpyramidal cells located in the superficial la...
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Veröffentlicht in: | Experimental brain research 1990-01, Vol.80 (1), p.209-212 |
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description | The population of neurons in the cat motor cortex which receives monosynaptic input from a specific functional region of the somatic sensory cortex was identified with the techniques of intracellular recording and staining with HRP. Both pyramidal and nonpyramidal cells located in the superficial layers of the pericruciate cortex responded to stimulation of the sensory cortex with short latency, excitatory postsynaptic potentials. More than half of the labeled cells were classified as pyramidal cells and the remainder as sparsely spinous or aspinous nonpyramidal cells. The characteristics of the EPSP's of the 2 groups of cells, ie. latency, time from beginning to peak and amplitude were found to vary only slightly. The results suggest that input from the sensory cortex impinges upon neurons which may in turn have an excitatory or inhibitory effect on cortico-fugal neurons in the motor cortex. |
doi_str_mv | 10.1007/bf00228864 |
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The results suggest that input from the sensory cortex impinges upon neurons which may in turn have an excitatory or inhibitory effect on cortico-fugal neurons in the motor cortex.</description><identifier>ISSN: 0014-4819</identifier><identifier>EISSN: 1432-1106</identifier><identifier>DOI: 10.1007/bf00228864</identifier><identifier>PMID: 2358029</identifier><identifier>CODEN: EXBRAP</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Anatomy ; Animals ; Biological and medical sciences ; Cats ; Central nervous system ; Electric Stimulation ; Evoked Potentials ; Evoked Potentials, Somatosensory ; Fundamental and applied biological sciences. 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L</creatorcontrib><creatorcontrib>SAKAMOTO, T</creatorcontrib><creatorcontrib>ASANUMA, H</creatorcontrib><title>Morphological and physiological identification of neurons in the cat motor cortex which receive direct input from the somatic sensory cortex</title><title>Experimental brain research</title><addtitle>Exp Brain Res</addtitle><description>The population of neurons in the cat motor cortex which receives monosynaptic input from a specific functional region of the somatic sensory cortex was identified with the techniques of intracellular recording and staining with HRP. Both pyramidal and nonpyramidal cells located in the superficial layers of the pericruciate cortex responded to stimulation of the sensory cortex with short latency, excitatory postsynaptic potentials. More than half of the labeled cells were classified as pyramidal cells and the remainder as sparsely spinous or aspinous nonpyramidal cells. The characteristics of the EPSP's of the 2 groups of cells, ie. latency, time from beginning to peak and amplitude were found to vary only slightly. The results suggest that input from the sensory cortex impinges upon neurons which may in turn have an excitatory or inhibitory effect on cortico-fugal neurons in the motor cortex.</description><subject>Anatomy</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cats</subject><subject>Central nervous system</subject><subject>Electric Stimulation</subject><subject>Evoked Potentials</subject><subject>Evoked Potentials, Somatosensory</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Horseradish Peroxidase</subject><subject>Motor Cortex - cytology</subject><subject>Motor Cortex - physiology</subject><subject>Neural Pathways - anatomy & histology</subject><subject>Neural Pathways - physiology</subject><subject>Somatosensory Cortex - cytology</subject><subject>Somatosensory Cortex - physiology</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0014-4819</issn><issn>1432-1106</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkT1v1jAUhS0EKm8LCzuSB8RQKeCvJPZIKwpIRSwwR7ZzTYwSO9gO8P4HfjQuDe_KdD_Oc89wD0LPKHlFCelfG0cIY1J24gE6UMFZQynpHqIDIVQ0QlL1GJ3n_O1u5D05Q2eMt5IwdUC_P8a0TnGOX73VM9ZhxOt0zP608SOE4l3ti48BR4cDbCmGjH3AZQJcBbzEEhO2MRX4hX9O3k44gQX_A_Doa1cqvG4FuxSXv0c5LtXP4gwhx3TcT5-gR07PGZ7u9QJ9uXn7-fp9c_vp3YfrN7eNFUKVZpTGtB0TSquOGCBOSq5MSzkDygQ4YXnbKtJKcNT00joJmlntjOlUJ5XjF-jlve-a4vcNchkWny3Msw4Qtzz0Srb1UfK_IG27XinCK3h5D9oUc07ghjX5RafjQMlwl9FwdfMvowo_3103s8B4QvdQqv5i13WuEbikg_X5hHWqGrKe_wFWZpvD</recordid><startdate>19900101</startdate><enddate>19900101</enddate><creator>PORTER, L. 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Psychology</topic><topic>Horseradish Peroxidase</topic><topic>Motor Cortex - cytology</topic><topic>Motor Cortex - physiology</topic><topic>Neural Pathways - anatomy & histology</topic><topic>Neural Pathways - physiology</topic><topic>Somatosensory Cortex - cytology</topic><topic>Somatosensory Cortex - physiology</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PORTER, L. 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L</au><au>SAKAMOTO, T</au><au>ASANUMA, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Morphological and physiological identification of neurons in the cat motor cortex which receive direct input from the somatic sensory cortex</atitle><jtitle>Experimental brain research</jtitle><addtitle>Exp Brain Res</addtitle><date>1990-01-01</date><risdate>1990</risdate><volume>80</volume><issue>1</issue><spage>209</spage><epage>212</epage><pages>209-212</pages><issn>0014-4819</issn><eissn>1432-1106</eissn><coden>EXBRAP</coden><abstract>The population of neurons in the cat motor cortex which receives monosynaptic input from a specific functional region of the somatic sensory cortex was identified with the techniques of intracellular recording and staining with HRP. Both pyramidal and nonpyramidal cells located in the superficial layers of the pericruciate cortex responded to stimulation of the sensory cortex with short latency, excitatory postsynaptic potentials. 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subjects | Anatomy Animals Biological and medical sciences Cats Central nervous system Electric Stimulation Evoked Potentials Evoked Potentials, Somatosensory Fundamental and applied biological sciences. Psychology Horseradish Peroxidase Motor Cortex - cytology Motor Cortex - physiology Neural Pathways - anatomy & histology Neural Pathways - physiology Somatosensory Cortex - cytology Somatosensory Cortex - physiology Vertebrates: nervous system and sense organs |
title | Morphological and physiological identification of neurons in the cat motor cortex which receive direct input from the somatic sensory cortex |
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