Polysynaptic neural pathways from low threshold trunk cutaneous afferents to tail motoneurons in the spinalized cat
Postsynaptic potentials (PSPs) after stimulating the cutaneous nerves of the trunk, dorsal cutaneous nerve (DC) and ventral cutaneous nerve (VC) were recorded from α-motoneurons innervating two tail muscles, the m. extensor caudae lateralis (ECL) and m. flexor caudae longus (FCL) in 22 spinalized (T...
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| Veröffentlicht in: | Neuroscience letters 1995-11, Vol.200 (1), p.49-52 |
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| creator | Wada, N. Abe, T. Hamada, K. Tokuriki, M. |
| description | Postsynaptic potentials (PSPs) after stimulating the cutaneous nerves of the trunk, dorsal cutaneous nerve (DC) and ventral cutaneous nerve (VC) were recorded from α-motoneurons innervating two tail muscles, the m. extensor caudae lateralis (ECL) and m. flexor caudae longus (FCL) in 22 spinalized (T10) cats. Stable recordings were obtained from 33 ECL and 42 FCL motoneurons. Stimulation of cutaneous nerves at 1.5–5 times threshold typically produced three types of synaptic effects in ECL and FCL motoneurons: predominant excitation (EPSP), or predominant inhibition (IPSP), or mixed effects characterized chiefly by early excitation followed by inhibition (EPSP/IPSP). The average central latencies of PSPs were distributed over a wide range (4.5–15.6 ms). Latency measurements indicated that most neural circuits from the trunk cutaneous afferents to the tail muscle motoneurons were oligosynaptic pathways via intraspinal slow-conducting fibers or polysynaptic pathways. |
| doi_str_mv | 10.1016/0304-3940(95)12072-C |
| format | Article |
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Stable recordings were obtained from 33 ECL and 42 FCL motoneurons. Stimulation of cutaneous nerves at 1.5–5 times threshold typically produced three types of synaptic effects in ECL and FCL motoneurons: predominant excitation (EPSP), or predominant inhibition (IPSP), or mixed effects characterized chiefly by early excitation followed by inhibition (EPSP/IPSP). The average central latencies of PSPs were distributed over a wide range (4.5–15.6 ms). Latency measurements indicated that most neural circuits from the trunk cutaneous afferents to the tail muscle motoneurons were oligosynaptic pathways via intraspinal slow-conducting fibers or polysynaptic pathways.</description><identifier>ISSN: 0304-3940</identifier><identifier>EISSN: 1872-7972</identifier><identifier>DOI: 10.1016/0304-3940(95)12072-C</identifier><identifier>PMID: 8584264</identifier><identifier>CODEN: NELED5</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Afferent Pathways - physiology ; Animals ; Biological and medical sciences ; Cat ; Cats ; Cutaneous afferent ; Electric Stimulation ; Female ; Fundamental and applied biological sciences. Psychology ; Male ; Motor Neurons - physiology ; Neural Pathways - physiology ; Peripheral nervous system. Autonomic nervous system. Neuromuscular transmission. Ganglionic transmission. Electric organ ; Postsynaptic potential ; Presynaptic Terminals - physiology ; Reaction Time - physiology ; Spinal cord ; Spinal Cord - physiology ; Tail ; Tail - physiology ; Trunk ; Vertebrates: nervous system and sense organs</subject><ispartof>Neuroscience letters, 1995-11, Vol.200 (1), p.49-52</ispartof><rights>1995</rights><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-3f620d18fdf1f1375539ded4ed76af68ef09fe2b64e5ba775686303ba26ec5423</citedby><cites>FETCH-LOGICAL-c417t-3f620d18fdf1f1375539ded4ed76af68ef09fe2b64e5ba775686303ba26ec5423</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0304-3940(95)12072-C$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2918995$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8584264$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wada, N.</creatorcontrib><creatorcontrib>Abe, T.</creatorcontrib><creatorcontrib>Hamada, K.</creatorcontrib><creatorcontrib>Tokuriki, M.</creatorcontrib><title>Polysynaptic neural pathways from low threshold trunk cutaneous afferents to tail motoneurons in the spinalized cat</title><title>Neuroscience letters</title><addtitle>Neurosci Lett</addtitle><description>Postsynaptic potentials (PSPs) after stimulating the cutaneous nerves of the trunk, dorsal cutaneous nerve (DC) and ventral cutaneous nerve (VC) were recorded from α-motoneurons innervating two tail muscles, the m. extensor caudae lateralis (ECL) and m. flexor caudae longus (FCL) in 22 spinalized (T10) cats. Stable recordings were obtained from 33 ECL and 42 FCL motoneurons. Stimulation of cutaneous nerves at 1.5–5 times threshold typically produced three types of synaptic effects in ECL and FCL motoneurons: predominant excitation (EPSP), or predominant inhibition (IPSP), or mixed effects characterized chiefly by early excitation followed by inhibition (EPSP/IPSP). The average central latencies of PSPs were distributed over a wide range (4.5–15.6 ms). Latency measurements indicated that most neural circuits from the trunk cutaneous afferents to the tail muscle motoneurons were oligosynaptic pathways via intraspinal slow-conducting fibers or polysynaptic pathways.</description><subject>Afferent Pathways - physiology</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cat</subject><subject>Cats</subject><subject>Cutaneous afferent</subject><subject>Electric Stimulation</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Male</subject><subject>Motor Neurons - physiology</subject><subject>Neural Pathways - physiology</subject><subject>Peripheral nervous system. Autonomic nervous system. Neuromuscular transmission. Ganglionic transmission. Electric organ</subject><subject>Postsynaptic potential</subject><subject>Presynaptic Terminals - physiology</subject><subject>Reaction Time - physiology</subject><subject>Spinal cord</subject><subject>Spinal Cord - physiology</subject><subject>Tail</subject><subject>Tail - physiology</subject><subject>Trunk</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0304-3940</issn><issn>1872-7972</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUuLFDEUhYMoYzv6DxSyENFFa5LKo2ozII0vGNCFrkM6uaGjqaRMUg7tr7fKbnqpq1y43zm5nIPQU0peU0LlG9IRvu0GTl4O4hVlRLHt7h7a0H4Z1KDYfbS5IA_Ro1q_E0IEFfwKXfWi50zyDapfcjzWYzJTCxYnmIuJeDLtcGeOFfuSRxzzHW6HAvWQo8OtzOkHtnMzCfJcsfEeCqRWccu4mRDxmFtejXKqOKRFCrhOIZkYfoPD1rTH6IE3scKT83uNvr1_93X3cXv7-cOn3dvbreVUtW3nJSOO9t556mmnhOgGB46DU9J42YMngwe2lxzE3iglZC870u0Nk2AFZ901enHynUr-OUNtegzVQoyn07VSPRs6Sf8LUkUYE0osID-BtuRaC3g9lTCactSU6LUUvSau18T1IPTfUvRukT07-8_7EdxFdG5h2T8_7021Jvpikg31grGB9sOw_n5zwmAJ7VeAoqsNkCy4UMA27XL49x1_AOkWqtI</recordid><startdate>19951110</startdate><enddate>19951110</enddate><creator>Wada, N.</creator><creator>Abe, T.</creator><creator>Hamada, K.</creator><creator>Tokuriki, M.</creator><general>Elsevier Ireland Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TK</scope><scope>7X8</scope></search><sort><creationdate>19951110</creationdate><title>Polysynaptic neural pathways from low threshold trunk cutaneous afferents to tail motoneurons in the spinalized cat</title><author>Wada, N. ; Abe, T. ; Hamada, K. ; Tokuriki, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-3f620d18fdf1f1375539ded4ed76af68ef09fe2b64e5ba775686303ba26ec5423</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Afferent Pathways - physiology</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Cat</topic><topic>Cats</topic><topic>Cutaneous afferent</topic><topic>Electric Stimulation</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Male</topic><topic>Motor Neurons - physiology</topic><topic>Neural Pathways - physiology</topic><topic>Peripheral nervous system. Autonomic nervous system. Neuromuscular transmission. Ganglionic transmission. Electric organ</topic><topic>Postsynaptic potential</topic><topic>Presynaptic Terminals - physiology</topic><topic>Reaction Time - physiology</topic><topic>Spinal cord</topic><topic>Spinal Cord - physiology</topic><topic>Tail</topic><topic>Tail - physiology</topic><topic>Trunk</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wada, N.</creatorcontrib><creatorcontrib>Abe, T.</creatorcontrib><creatorcontrib>Hamada, K.</creatorcontrib><creatorcontrib>Tokuriki, M.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuroscience letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wada, N.</au><au>Abe, T.</au><au>Hamada, K.</au><au>Tokuriki, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polysynaptic neural pathways from low threshold trunk cutaneous afferents to tail motoneurons in the spinalized cat</atitle><jtitle>Neuroscience letters</jtitle><addtitle>Neurosci Lett</addtitle><date>1995-11-10</date><risdate>1995</risdate><volume>200</volume><issue>1</issue><spage>49</spage><epage>52</epage><pages>49-52</pages><issn>0304-3940</issn><eissn>1872-7972</eissn><coden>NELED5</coden><abstract>Postsynaptic potentials (PSPs) after stimulating the cutaneous nerves of the trunk, dorsal cutaneous nerve (DC) and ventral cutaneous nerve (VC) were recorded from α-motoneurons innervating two tail muscles, the m. extensor caudae lateralis (ECL) and m. flexor caudae longus (FCL) in 22 spinalized (T10) cats. Stable recordings were obtained from 33 ECL and 42 FCL motoneurons. Stimulation of cutaneous nerves at 1.5–5 times threshold typically produced three types of synaptic effects in ECL and FCL motoneurons: predominant excitation (EPSP), or predominant inhibition (IPSP), or mixed effects characterized chiefly by early excitation followed by inhibition (EPSP/IPSP). The average central latencies of PSPs were distributed over a wide range (4.5–15.6 ms). Latency measurements indicated that most neural circuits from the trunk cutaneous afferents to the tail muscle motoneurons were oligosynaptic pathways via intraspinal slow-conducting fibers or polysynaptic pathways.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>8584264</pmid><doi>10.1016/0304-3940(95)12072-C</doi><tpages>4</tpages></addata></record> |
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| ispartof | Neuroscience letters, 1995-11, Vol.200 (1), p.49-52 |
| issn | 0304-3940 1872-7972 |
| language | eng |
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| subjects | Afferent Pathways - physiology Animals Biological and medical sciences Cat Cats Cutaneous afferent Electric Stimulation Female Fundamental and applied biological sciences. Psychology Male Motor Neurons - physiology Neural Pathways - physiology Peripheral nervous system. Autonomic nervous system. Neuromuscular transmission. Ganglionic transmission. Electric organ Postsynaptic potential Presynaptic Terminals - physiology Reaction Time - physiology Spinal cord Spinal Cord - physiology Tail Tail - physiology Trunk Vertebrates: nervous system and sense organs |
| title | Polysynaptic neural pathways from low threshold trunk cutaneous afferents to tail motoneurons in the spinalized cat |
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