Influence of the superior colliculus on the primate blink reflex
In this study we used microstimulation to investigate the influence of the superior colliculus on the trigeminal blink reflex. We report that stimulation in the intermediate to deep layers of the tectum produced inhibition of reflex blinks at a latency of approximately 26 ms. We considered the hypot...
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| Veröffentlicht in: | Experimental brain research 1997-10, Vol.116 (3), p.389-398 |
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| container_title | Experimental brain research |
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| creator | GNADT, J. W LU, S.-M BREZNEN, B BASSO, M. A HENRIQUEZ, V. M EVINGER, C |
| description | In this study we used microstimulation to investigate the influence of the superior colliculus on the trigeminal blink reflex. We report that stimulation in the intermediate to deep layers of the tectum produced inhibition of reflex blinks at a latency of approximately 26 ms. We considered the hypothesis that the blink inhibition was mediated via the omnipause neurons (OPNs) of the eye movement control system in the brainstem. Our results show that the least effective sites for suppression were in the rostral colliculus. This is inconsistent with the prediction that OPNs should be maximally recruited from the rostral tectum near the "fixation zone." From these points and other considerations, we conclude that the reflex blink suppression from the superior colliculus is not directly mediated by the OPNs or the saccadic eye movement circuits. |
| doi_str_mv | 10.1007/PL00005767 |
| format | Article |
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W ; LU, S.-M ; BREZNEN, B ; BASSO, M. A ; HENRIQUEZ, V. M ; EVINGER, C</creator><creatorcontrib>GNADT, J. W ; LU, S.-M ; BREZNEN, B ; BASSO, M. A ; HENRIQUEZ, V. M ; EVINGER, C</creatorcontrib><description>In this study we used microstimulation to investigate the influence of the superior colliculus on the trigeminal blink reflex. We report that stimulation in the intermediate to deep layers of the tectum produced inhibition of reflex blinks at a latency of approximately 26 ms. We considered the hypothesis that the blink inhibition was mediated via the omnipause neurons (OPNs) of the eye movement control system in the brainstem. Our results show that the least effective sites for suppression were in the rostral colliculus. This is inconsistent with the prediction that OPNs should be maximally recruited from the rostral tectum near the "fixation zone." From these points and other considerations, we conclude that the reflex blink suppression from the superior colliculus is not directly mediated by the OPNs or the saccadic eye movement circuits.</description><identifier>ISSN: 0014-4819</identifier><identifier>EISSN: 1432-1106</identifier><identifier>DOI: 10.1007/PL00005767</identifier><identifier>PMID: 9372288</identifier><identifier>CODEN: EXBRAP</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Animals ; Biological and medical sciences ; Blinking - physiology ; Brain Mapping ; Fixation, Ocular - physiology ; Fundamental and applied biological sciences. Psychology ; Macaca mulatta ; Microelectrodes ; Motor control and motor pathways. Reflexes. Control centers of vegetative functions. 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W</creatorcontrib><creatorcontrib>LU, S.-M</creatorcontrib><creatorcontrib>BREZNEN, B</creatorcontrib><creatorcontrib>BASSO, M. A</creatorcontrib><creatorcontrib>HENRIQUEZ, V. M</creatorcontrib><creatorcontrib>EVINGER, C</creatorcontrib><title>Influence of the superior colliculus on the primate blink reflex</title><title>Experimental brain research</title><addtitle>Exp Brain Res</addtitle><description>In this study we used microstimulation to investigate the influence of the superior colliculus on the trigeminal blink reflex. We report that stimulation in the intermediate to deep layers of the tectum produced inhibition of reflex blinks at a latency of approximately 26 ms. We considered the hypothesis that the blink inhibition was mediated via the omnipause neurons (OPNs) of the eye movement control system in the brainstem. Our results show that the least effective sites for suppression were in the rostral colliculus. This is inconsistent with the prediction that OPNs should be maximally recruited from the rostral tectum near the "fixation zone." From these points and other considerations, we conclude that the reflex blink suppression from the superior colliculus is not directly mediated by the OPNs or the saccadic eye movement circuits.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Blinking - physiology</subject><subject>Brain Mapping</subject><subject>Fixation, Ocular - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Macaca mulatta</subject><subject>Microelectrodes</subject><subject>Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration</subject><subject>Reaction Time</subject><subject>Superior Colliculi - 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>1997</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkM1Lw0AQxRdRaq1evAs5iAchOrPfuSnFj0JBD3oOm-0uRrdJ3W1A_3vTGurRuQzD-82D9wg5RbhCAHX9PId-hJJqj4yRM5ojgtwnYwDkOddYHJKjlN43J1MwIqOCKUq1HpObWeND5xrrstZn6zeXpW7lYt3GzLYh1LYLXcraZiutYr00a5dVoW4-suh8cF_H5MCbkNzJsCfk9f7uZfqYz58eZtPbeW4Zp-sctfAFl14wyrWhIK2rOBcCCwnVwoPRBRgprVJCGMOBSu9MRTV66aWpNJuQi1_fVWw_O5fW5bJO1oVgGtd2qVQFx_4X_wVRcg7IeA9e_oI2tin1acptvvhdIpSbXsu_Xnv4bHDtqqVb7NChyF4_H3STrAk-msbWaYdREKAksB9KG318</recordid><startdate>19971001</startdate><enddate>19971001</enddate><creator>GNADT, J. W</creator><creator>LU, S.-M</creator><creator>BREZNEN, B</creator><creator>BASSO, M. A</creator><creator>HENRIQUEZ, V. M</creator><creator>EVINGER, C</creator><general>Springer</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>19971001</creationdate><title>Influence of the superior colliculus on the primate blink reflex</title><author>GNADT, J. W ; LU, S.-M ; BREZNEN, B ; BASSO, M. A ; HENRIQUEZ, V. M ; EVINGER, C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c342t-185f946f53248a206ceb44551960bdf0a890a66c7755aa4026feab281f6f6ab83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Blinking - physiology</topic><topic>Brain Mapping</topic><topic>Fixation, Ocular - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Macaca mulatta</topic><topic>Microelectrodes</topic><topic>Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration</topic><topic>Reaction Time</topic><topic>Superior Colliculi - physiology</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GNADT, J. W</creatorcontrib><creatorcontrib>LU, S.-M</creatorcontrib><creatorcontrib>BREZNEN, B</creatorcontrib><creatorcontrib>BASSO, M. A</creatorcontrib><creatorcontrib>HENRIQUEZ, V. M</creatorcontrib><creatorcontrib>EVINGER, C</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>Experimental brain research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GNADT, J. W</au><au>LU, S.-M</au><au>BREZNEN, B</au><au>BASSO, M. A</au><au>HENRIQUEZ, V. M</au><au>EVINGER, C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of the superior colliculus on the primate blink reflex</atitle><jtitle>Experimental brain research</jtitle><addtitle>Exp Brain Res</addtitle><date>1997-10-01</date><risdate>1997</risdate><volume>116</volume><issue>3</issue><spage>389</spage><epage>398</epage><pages>389-398</pages><issn>0014-4819</issn><eissn>1432-1106</eissn><coden>EXBRAP</coden><abstract>In this study we used microstimulation to investigate the influence of the superior colliculus on the trigeminal blink reflex. We report that stimulation in the intermediate to deep layers of the tectum produced inhibition of reflex blinks at a latency of approximately 26 ms. We considered the hypothesis that the blink inhibition was mediated via the omnipause neurons (OPNs) of the eye movement control system in the brainstem. Our results show that the least effective sites for suppression were in the rostral colliculus. This is inconsistent with the prediction that OPNs should be maximally recruited from the rostral tectum near the "fixation zone." From these points and other considerations, we conclude that the reflex blink suppression from the superior colliculus is not directly mediated by the OPNs or the saccadic eye movement circuits.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>9372288</pmid><doi>10.1007/PL00005767</doi><tpages>10</tpages></addata></record> |
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| ispartof | Experimental brain research, 1997-10, Vol.116 (3), p.389-398 |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Animals Biological and medical sciences Blinking - physiology Brain Mapping Fixation, Ocular - physiology Fundamental and applied biological sciences. Psychology Macaca mulatta Microelectrodes Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration Reaction Time Superior Colliculi - physiology Vertebrates: nervous system and sense organs |
| title | Influence of the superior colliculus on the primate blink reflex |
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