Representation of the urinary bladder in the lateral thalamus of the cat
J. Bruggemann, C. Vahle-Hinz and K. D. Kniffki Physiologisches Institut, Universitat Wurzburg, Germany. 1. In alpha-chloralose-anesthetized cats the region surrounding the ventral posterolateral nucleus (VPL) of the thalamus was investigated to locate foci with input from the urinary bladder stimula...
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| Veröffentlicht in: | Journal of neurophysiology 1993-08, Vol.70 (2), p.482-491 |
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| description | J. Bruggemann, C. Vahle-Hinz and K. D. Kniffki
Physiologisches Institut, Universitat Wurzburg, Germany.
1. In alpha-chloralose-anesthetized cats the region surrounding the ventral
posterolateral nucleus (VPL) of the thalamus was investigated to locate
foci with input from the urinary bladder stimulated by application of
intravesical pressure. The locations of the recording sites were verified
in Nissl-stained histological sections with reference to electrolytic
lesions. 2. Of the 23 visceroceptive thalamic neurons identified, 4 (17%)
were located in the periphery of the VPL (VPLp) and 19 (83%) in the lateral
and dorsal aspects of the posterior complex (POl and POd, respectively)
adjoining VPLp. 3. The neurons responded to noxious intensities of
intravesical pressure in the range of 50-100 mmHg. Excitatory responses
were elicited in 8 (35%) neurons, "inhibitory" responses in 13 (57%)
neurons, and 2 (9%) neurons responded with an increase and a decrease of
their discharge to subsequent stimuli. 4. Of the 22 visceroceptive thalamic
neurons tested for this parameter, 73% had low-threshold cutaneous
receptive fields (RFs). These were located in the region of the lower back,
the hip, the thigh, and the proximal tail (12 PO neurons), or covered the
entire postcranial contralateral part of the body (3 PO neurons). For only
one of the VPLp neurons, a somatic RF was found and this was located on the
distal tail. The neurons responded to tap stimuli applied at a low
repetition rate. None of the 11 neurons tested with noxious pinching of the
skin was activated by this kind of stimulus. 5. It is concluded that the
cat's lateral thalamic region, around but not within VPL proper, contains
neurons that play a role in the processing of information about noxious
events in the urinary bladder. A comparison with results from experiments
in the monkey indicates differences in the organization of the
visceroceptive systems between both species, regarding the thalamic
localization of visceroceptive neurons, the occurrence of convergent
low-threshold somatic RFs, and the association of excitatory and inhibitory
effects of urinary bladder stimulation with the location of somatic RFs. |
| doi_str_mv | 10.1152/jn.1993.70.2.482 |
| format | Article |
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Physiologisches Institut, Universitat Wurzburg, Germany.
1. In alpha-chloralose-anesthetized cats the region surrounding the ventral
posterolateral nucleus (VPL) of the thalamus was investigated to locate
foci with input from the urinary bladder stimulated by application of
intravesical pressure. The locations of the recording sites were verified
in Nissl-stained histological sections with reference to electrolytic
lesions. 2. Of the 23 visceroceptive thalamic neurons identified, 4 (17%)
were located in the periphery of the VPL (VPLp) and 19 (83%) in the lateral
and dorsal aspects of the posterior complex (POl and POd, respectively)
adjoining VPLp. 3. The neurons responded to noxious intensities of
intravesical pressure in the range of 50-100 mmHg. Excitatory responses
were elicited in 8 (35%) neurons, "inhibitory" responses in 13 (57%)
neurons, and 2 (9%) neurons responded with an increase and a decrease of
their discharge to subsequent stimuli. 4. Of the 22 visceroceptive thalamic
neurons tested for this parameter, 73% had low-threshold cutaneous
receptive fields (RFs). These were located in the region of the lower back,
the hip, the thigh, and the proximal tail (12 PO neurons), or covered the
entire postcranial contralateral part of the body (3 PO neurons). For only
one of the VPLp neurons, a somatic RF was found and this was located on the
distal tail. The neurons responded to tap stimuli applied at a low
repetition rate. None of the 11 neurons tested with noxious pinching of the
skin was activated by this kind of stimulus. 5. It is concluded that the
cat's lateral thalamic region, around but not within VPL proper, contains
neurons that play a role in the processing of information about noxious
events in the urinary bladder. A comparison with results from experiments
in the monkey indicates differences in the organization of the
visceroceptive systems between both species, regarding the thalamic
localization of visceroceptive neurons, the occurrence of convergent
low-threshold somatic RFs, and the association of excitatory and inhibitory
effects of urinary bladder stimulation with the location of somatic RFs.</description><identifier>ISSN: 0022-3077</identifier><identifier>EISSN: 1522-1598</identifier><identifier>DOI: 10.1152/jn.1993.70.2.482</identifier><identifier>PMID: 8410150</identifier><identifier>CODEN: JONEA4</identifier><language>eng</language><publisher>Bethesda, MD: Am Phys Soc</publisher><subject>Afferent Pathways - physiology ; Animals ; Biological and medical sciences ; Brain Mapping ; Cats ; Female ; Functional Laterality - physiology ; Fundamental and applied biological sciences. Psychology ; Hindlimb - innervation ; Mechanoreceptors - anatomy & histology ; Mechanoreceptors - physiology ; Neurons - physiology ; Nociceptors - anatomy & histology ; Nociceptors - physiology ; Reaction Time - physiology ; Sensory Thresholds - physiology ; Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. Sensory receptors ; Space life sciences ; Thalamic Nuclei - anatomy & histology ; Thalamic Nuclei - physiology ; Urinary Bladder - innervation ; Vertebrates: nervous system and sense organs</subject><ispartof>Journal of neurophysiology, 1993-08, Vol.70 (2), p.482-491</ispartof><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-883e1d5091873c6857d39fb1a9d77ed7543e63bae8fcdce7d83c8316707cf1a03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4882515$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8410150$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bruggemann, J</creatorcontrib><creatorcontrib>Vahle-Hinz, C</creatorcontrib><creatorcontrib>Kniffki, K. D</creatorcontrib><title>Representation of the urinary bladder in the lateral thalamus of the cat</title><title>Journal of neurophysiology</title><addtitle>J Neurophysiol</addtitle><description>J. Bruggemann, C. Vahle-Hinz and K. D. Kniffki
Physiologisches Institut, Universitat Wurzburg, Germany.
1. In alpha-chloralose-anesthetized cats the region surrounding the ventral
posterolateral nucleus (VPL) of the thalamus was investigated to locate
foci with input from the urinary bladder stimulated by application of
intravesical pressure. The locations of the recording sites were verified
in Nissl-stained histological sections with reference to electrolytic
lesions. 2. Of the 23 visceroceptive thalamic neurons identified, 4 (17%)
were located in the periphery of the VPL (VPLp) and 19 (83%) in the lateral
and dorsal aspects of the posterior complex (POl and POd, respectively)
adjoining VPLp. 3. The neurons responded to noxious intensities of
intravesical pressure in the range of 50-100 mmHg. Excitatory responses
were elicited in 8 (35%) neurons, "inhibitory" responses in 13 (57%)
neurons, and 2 (9%) neurons responded with an increase and a decrease of
their discharge to subsequent stimuli. 4. Of the 22 visceroceptive thalamic
neurons tested for this parameter, 73% had low-threshold cutaneous
receptive fields (RFs). These were located in the region of the lower back,
the hip, the thigh, and the proximal tail (12 PO neurons), or covered the
entire postcranial contralateral part of the body (3 PO neurons). For only
one of the VPLp neurons, a somatic RF was found and this was located on the
distal tail. The neurons responded to tap stimuli applied at a low
repetition rate. None of the 11 neurons tested with noxious pinching of the
skin was activated by this kind of stimulus. 5. It is concluded that the
cat's lateral thalamic region, around but not within VPL proper, contains
neurons that play a role in the processing of information about noxious
events in the urinary bladder. A comparison with results from experiments
in the monkey indicates differences in the organization of the
visceroceptive systems between both species, regarding the thalamic
localization of visceroceptive neurons, the occurrence of convergent
low-threshold somatic RFs, and the association of excitatory and inhibitory
effects of urinary bladder stimulation with the location of somatic RFs.</description><subject>Afferent Pathways - physiology</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Brain Mapping</subject><subject>Cats</subject><subject>Female</subject><subject>Functional Laterality - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hindlimb - innervation</subject><subject>Mechanoreceptors - anatomy & histology</subject><subject>Mechanoreceptors - physiology</subject><subject>Neurons - physiology</subject><subject>Nociceptors - anatomy & histology</subject><subject>Nociceptors - physiology</subject><subject>Reaction Time - physiology</subject><subject>Sensory Thresholds - physiology</subject><subject>Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. Sensory receptors</subject><subject>Space life sciences</subject><subject>Thalamic Nuclei - anatomy & histology</subject><subject>Thalamic Nuclei - physiology</subject><subject>Urinary Bladder - innervation</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0022-3077</issn><issn>1522-1598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEFPwzAMhSMEgjG4c0HqAXFbcZKmSY8IAUNCQkJwjrLEZZmydiSt0P49HRvjyMmW_dnPfoRcUMgpFexm0eS0qnguIWd5odgBGQ1lNqGiUodkBDDkHKQ8IacpLQBACmDH5FgVFKiAEZm-4ipiwqYznW-brK2zbo5ZH31j4jqbBeMcxsw3P-VgOowmDLkJZtmnX9ya7owc1SYkPN_FMXl_uH-7m06eXx6f7m6fJ5Yr0U2U4kidgIoqyW2phHS8qmfUVE5KdFIUHEs-M6hq6yxKp7hVnJYSpK2pAT4m19u9q9h-9pg6vfTJYgimwbZPWpZAmeD_g7QseSUVG0DYgja2KUWs9Sr65fC9pqA3LutFozcuawma6eJn5HK3u58t0e0HdrYO_atd3yRrQh1NY33aY4VSTFDxd-Lcf8y_fES9mq-Tb0P7sd6I7vW-AQAckco</recordid><startdate>19930801</startdate><enddate>19930801</enddate><creator>Bruggemann, J</creator><creator>Vahle-Hinz, C</creator><creator>Kniffki, K. D</creator><general>Am Phys Soc</general><general>American Physiological Society</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>19930801</creationdate><title>Representation of the urinary bladder in the lateral thalamus of the cat</title><author>Bruggemann, J ; Vahle-Hinz, C ; Kniffki, K. D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-883e1d5091873c6857d39fb1a9d77ed7543e63bae8fcdce7d83c8316707cf1a03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Afferent Pathways - physiology</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Brain Mapping</topic><topic>Cats</topic><topic>Female</topic><topic>Functional Laterality - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hindlimb - innervation</topic><topic>Mechanoreceptors - anatomy & histology</topic><topic>Mechanoreceptors - physiology</topic><topic>Neurons - physiology</topic><topic>Nociceptors - anatomy & histology</topic><topic>Nociceptors - physiology</topic><topic>Reaction Time - physiology</topic><topic>Sensory Thresholds - physiology</topic><topic>Somesthesis and somesthetic pathways (proprioception, exteroception, nociception); interoception; electrolocation. Sensory receptors</topic><topic>Space life sciences</topic><topic>Thalamic Nuclei - anatomy & histology</topic><topic>Thalamic Nuclei - physiology</topic><topic>Urinary Bladder - innervation</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bruggemann, J</creatorcontrib><creatorcontrib>Vahle-Hinz, C</creatorcontrib><creatorcontrib>Kniffki, K. D</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>Journal of neurophysiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bruggemann, J</au><au>Vahle-Hinz, C</au><au>Kniffki, K. D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Representation of the urinary bladder in the lateral thalamus of the cat</atitle><jtitle>Journal of neurophysiology</jtitle><addtitle>J Neurophysiol</addtitle><date>1993-08-01</date><risdate>1993</risdate><volume>70</volume><issue>2</issue><spage>482</spage><epage>491</epage><pages>482-491</pages><issn>0022-3077</issn><eissn>1522-1598</eissn><coden>JONEA4</coden><abstract>J. Bruggemann, C. Vahle-Hinz and K. D. Kniffki
Physiologisches Institut, Universitat Wurzburg, Germany.
1. In alpha-chloralose-anesthetized cats the region surrounding the ventral
posterolateral nucleus (VPL) of the thalamus was investigated to locate
foci with input from the urinary bladder stimulated by application of
intravesical pressure. The locations of the recording sites were verified
in Nissl-stained histological sections with reference to electrolytic
lesions. 2. Of the 23 visceroceptive thalamic neurons identified, 4 (17%)
were located in the periphery of the VPL (VPLp) and 19 (83%) in the lateral
and dorsal aspects of the posterior complex (POl and POd, respectively)
adjoining VPLp. 3. The neurons responded to noxious intensities of
intravesical pressure in the range of 50-100 mmHg. Excitatory responses
were elicited in 8 (35%) neurons, "inhibitory" responses in 13 (57%)
neurons, and 2 (9%) neurons responded with an increase and a decrease of
their discharge to subsequent stimuli. 4. Of the 22 visceroceptive thalamic
neurons tested for this parameter, 73% had low-threshold cutaneous
receptive fields (RFs). These were located in the region of the lower back,
the hip, the thigh, and the proximal tail (12 PO neurons), or covered the
entire postcranial contralateral part of the body (3 PO neurons). For only
one of the VPLp neurons, a somatic RF was found and this was located on the
distal tail. The neurons responded to tap stimuli applied at a low
repetition rate. None of the 11 neurons tested with noxious pinching of the
skin was activated by this kind of stimulus. 5. It is concluded that the
cat's lateral thalamic region, around but not within VPL proper, contains
neurons that play a role in the processing of information about noxious
events in the urinary bladder. A comparison with results from experiments
in the monkey indicates differences in the organization of the
visceroceptive systems between both species, regarding the thalamic
localization of visceroceptive neurons, the occurrence of convergent
low-threshold somatic RFs, and the association of excitatory and inhibitory
effects of urinary bladder stimulation with the location of somatic RFs.</abstract><cop>Bethesda, MD</cop><pub>Am Phys Soc</pub><pmid>8410150</pmid><doi>10.1152/jn.1993.70.2.482</doi><tpages>10</tpages></addata></record> |
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| ispartof | Journal of neurophysiology, 1993-08, Vol.70 (2), p.482-491 |
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| subjects | Afferent Pathways - physiology Animals Biological and medical sciences Brain Mapping Cats Female Functional Laterality - physiology Fundamental and applied biological sciences. Psychology Hindlimb - innervation Mechanoreceptors - anatomy & histology Mechanoreceptors - physiology Neurons - physiology Nociceptors - anatomy & histology Nociceptors - physiology Reaction Time - physiology Sensory Thresholds - physiology Somesthesis and somesthetic pathways (proprioception, exteroception, nociception) interoception electrolocation. Sensory receptors Space life sciences Thalamic Nuclei - anatomy & histology Thalamic Nuclei - physiology Urinary Bladder - innervation Vertebrates: nervous system and sense organs |
| title | Representation of the urinary bladder in the lateral thalamus of the cat |
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