ECoG effects of peripheral deafferentation of prepyriform and visual cortices in rats
Freely-behaving Wistar albino male rats were prepared for chronic recording of the electrocorticographic (ECoG) activity of neo- and paleocortical areas and of the electromyogram of dorsal neck muscles. The effects of the uni- or bilateral removal of the main olfactory bulbs and adjacent structures...
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| Veröffentlicht in: | Physiology & behavior 1980-04, Vol.24 (4), p.727-736 |
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| container_title | Physiology & behavior |
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| creator | Ricardo, Juarez A. Negrão, Núbio Pereira, JoséSevero C. |
| description | Freely-behaving Wistar albino male rats were prepared for chronic recording of the electrocorticographic (ECoG) activity of neo- and paleocortical areas and of the electromyogram of dorsal neck muscles. The effects of the uni- or bilateral removal of the main olfactory bulbs and adjacent structures on the prepyriform cortex (PPC) ECoG, and the possible ECoG modifications in the area 17 after bilateral eye enucleation were studied. In spite of the fact that the PPC general cycling pattern along the sleep-wakefulness cycle (SWC) was not appreciably affected by the olfactory deafferentation, this experimental maneuver did cause very marked alterations in the PPC ECoG during all of the observed SWC phases. On the other hand, no appreciable ECoG modifications could be detected in area 17 after the visual deafferentation. A comparison of these results with pertinent literature for cats and monkeys allows the formulation of some working hypotheses that deserve experimental testing in the future. |
| doi_str_mv | 10.1016/0031-9384(80)90404-7 |
| format | Article |
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The effects of the uni- or bilateral removal of the main olfactory bulbs and adjacent structures on the prepyriform cortex (PPC) ECoG, and the possible ECoG modifications in the area 17 after bilateral eye enucleation were studied. In spite of the fact that the PPC general cycling pattern along the sleep-wakefulness cycle (SWC) was not appreciably affected by the olfactory deafferentation, this experimental maneuver did cause very marked alterations in the PPC ECoG during all of the observed SWC phases. On the other hand, no appreciable ECoG modifications could be detected in area 17 after the visual deafferentation. 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The effects of the uni- or bilateral removal of the main olfactory bulbs and adjacent structures on the prepyriform cortex (PPC) ECoG, and the possible ECoG modifications in the area 17 after bilateral eye enucleation were studied. In spite of the fact that the PPC general cycling pattern along the sleep-wakefulness cycle (SWC) was not appreciably affected by the olfactory deafferentation, this experimental maneuver did cause very marked alterations in the PPC ECoG during all of the observed SWC phases. On the other hand, no appreciable ECoG modifications could be detected in area 17 after the visual deafferentation. A comparison of these results with pertinent literature for cats and monkeys allows the formulation of some working hypotheses that deserve experimental testing in the future.</description><subject>Afferent Pathways - physiology</subject><subject>Animals</subject><subject>Dominance, Cerebral - physiology</subject><subject>ECoG</subject><subject>Electroencephalography</subject><subject>Electromyography</subject><subject>Evoked Potentials</subject><subject>Eye enucleation</subject><subject>Limbic System - physiology</subject><subject>Male</subject><subject>Olfactory Bulb - physiology</subject><subject>Olfactory bulbs removal</subject><subject>Prepyriform cortex</subject><subject>Primary visual cortex</subject><subject>Rats</subject><subject>Sensory Deprivation</subject><subject>Sleep Stages - physiology</subject><subject>Sleep-wakefulness cycle in the rat</subject><subject>Visual Cortex - physiology</subject><subject>Visual Pathways - physiology</subject><issn>0031-9384</issn><issn>1873-507X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1LAzEQhoMotX78A4U9iR5WJ012k1wEKfUDBC8K3kKymWCk3azJttB_79aWHp3LwLzvO8M8hFxQuKVA6zsARkvFJL-WcKOAAy_FARlTKVhZgfg8JOO95Zic5PwNQzHORmQkmOJAqzH5mE3jU4HeY9PnIvqiwxS6L0xmXjg0wzxh25s-xPZPTditU_AxLQrTumIV8nJwNjH1ocFchLZIps9n5MibecbzXT8l74-z9-lz-fr29DJ9eC0bVom-ZBZR2FpZgMrJWjk-8YqbylNWI7e1ByWN9LWdVILVjgkF3lbMgeXKU8tOydV2bZfizxJzrxchNzifmxbjMmtRUTnhUg1GvjU2Keac0OsuhYVJa01Bb2DqDSm9IaUl6D-YWgyxy93-pV2g24d29Ab9fqvj8OMqYNK5Cdg26EIaeGoXw_8HfgHzOIPW</recordid><startdate>198004</startdate><enddate>198004</enddate><creator>Ricardo, Juarez A.</creator><creator>Negrão, Núbio</creator><creator>Pereira, JoséSevero C.</creator><general>Elsevier Inc</general><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>7X8</scope></search><sort><creationdate>198004</creationdate><title>ECoG effects of peripheral deafferentation of prepyriform and visual cortices in rats</title><author>Ricardo, Juarez A. ; Negrão, Núbio ; Pereira, JoséSevero C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-3bee7b69b005d869d42f94a5f136e4b6f098a8f6b25736d3790fb53d0b49f1b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><topic>Afferent Pathways - physiology</topic><topic>Animals</topic><topic>Dominance, Cerebral - physiology</topic><topic>ECoG</topic><topic>Electroencephalography</topic><topic>Electromyography</topic><topic>Evoked Potentials</topic><topic>Eye enucleation</topic><topic>Limbic System - physiology</topic><topic>Male</topic><topic>Olfactory Bulb - physiology</topic><topic>Olfactory bulbs removal</topic><topic>Prepyriform cortex</topic><topic>Primary visual cortex</topic><topic>Rats</topic><topic>Sensory Deprivation</topic><topic>Sleep Stages - physiology</topic><topic>Sleep-wakefulness cycle in the rat</topic><topic>Visual Cortex - physiology</topic><topic>Visual Pathways - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ricardo, Juarez A.</creatorcontrib><creatorcontrib>Negrão, Núbio</creatorcontrib><creatorcontrib>Pereira, JoséSevero C.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physiology & behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ricardo, Juarez A.</au><au>Negrão, Núbio</au><au>Pereira, JoséSevero C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ECoG effects of peripheral deafferentation of prepyriform and visual cortices in rats</atitle><jtitle>Physiology & behavior</jtitle><addtitle>Physiol Behav</addtitle><date>1980-04</date><risdate>1980</risdate><volume>24</volume><issue>4</issue><spage>727</spage><epage>736</epage><pages>727-736</pages><issn>0031-9384</issn><eissn>1873-507X</eissn><abstract>Freely-behaving Wistar albino male rats were prepared for chronic recording of the electrocorticographic (ECoG) activity of neo- and paleocortical areas and of the electromyogram of dorsal neck muscles. The effects of the uni- or bilateral removal of the main olfactory bulbs and adjacent structures on the prepyriform cortex (PPC) ECoG, and the possible ECoG modifications in the area 17 after bilateral eye enucleation were studied. In spite of the fact that the PPC general cycling pattern along the sleep-wakefulness cycle (SWC) was not appreciably affected by the olfactory deafferentation, this experimental maneuver did cause very marked alterations in the PPC ECoG during all of the observed SWC phases. On the other hand, no appreciable ECoG modifications could be detected in area 17 after the visual deafferentation. A comparison of these results with pertinent literature for cats and monkeys allows the formulation of some working hypotheses that deserve experimental testing in the future.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>7394015</pmid><doi>10.1016/0031-9384(80)90404-7</doi><tpages>10</tpages></addata></record> |
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| ispartof | Physiology & behavior, 1980-04, Vol.24 (4), p.727-736 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Afferent Pathways - physiology Animals Dominance, Cerebral - physiology ECoG Electroencephalography Electromyography Evoked Potentials Eye enucleation Limbic System - physiology Male Olfactory Bulb - physiology Olfactory bulbs removal Prepyriform cortex Primary visual cortex Rats Sensory Deprivation Sleep Stages - physiology Sleep-wakefulness cycle in the rat Visual Cortex - physiology Visual Pathways - physiology |
| title | ECoG effects of peripheral deafferentation of prepyriform and visual cortices in rats |
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