Lateralization of functional magnetic resonance imaging (fMRI) activation in the auditory pathway of patients with lateralized tinnitus
Tinnitus is hypothesized to be an auditory phantom phenomenon resulting from spontaneous neuronal activity somewhere along the auditory pathway. We performed fMRI of the entire auditory pathway, including the inferior colliculus (IC), the medial geniculate body (MGB) and the auditory cortex (AC), in...
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| Veröffentlicht in: | Neuroradiology 2007-08, Vol.49 (8), p.669-679 |
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| creator | SMITS, Marion KOVACS, Silvia DE RIDDER, Dirk PEETERS, Ronald R VAN HECKE, Paul SUNAERT, Stefan |
| description | Tinnitus is hypothesized to be an auditory phantom phenomenon resulting from spontaneous neuronal activity somewhere along the auditory pathway. We performed fMRI of the entire auditory pathway, including the inferior colliculus (IC), the medial geniculate body (MGB) and the auditory cortex (AC), in 42 patients with tinnitus and 10 healthy volunteers to assess lateralization of fMRI activation.
Subjects were scanned on a 3T MRI scanner. A T2*-weighted EPI silent gap sequence was used during the stimulation paradigm, which consisted of a blocked design of 12 epochs in which music presented binaurally through headphones, which was switched on and off for periods of 50 s. Using SPM2 software, single subject and group statistical parametric maps were calculated. Lateralization of activation was assessed qualitatively and quantitatively.
Tinnitus was lateralized in 35 patients (83%, 13 right-sided and 22 left-sided). Significant signal change (P(corrected) < 0.05) was found bilaterally in the primary and secondary AC, the IC and the MGB. Signal change was symmetrical in patients with bilateral tinnitus. In patients with lateralized tinnitus, fMRI activation was lateralized towards the side of perceived tinnitus in the primary AC and IC in patients with right-sided tinnitus, and in the MGB in patients with left-sided tinnitus. In healthy volunteers, activation in the primary AC was left-lateralized.
Our paradigm adequately visualized the auditory pathways in tinnitus patients. In lateralized tinnitus fMRI activation was also lateralized, supporting the hypothesis that tinnitus is an auditory phantom phenomenon. |
| doi_str_mv | 10.1007/s00234-007-0231-3 |
| format | Article |
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Subjects were scanned on a 3T MRI scanner. A T2*-weighted EPI silent gap sequence was used during the stimulation paradigm, which consisted of a blocked design of 12 epochs in which music presented binaurally through headphones, which was switched on and off for periods of 50 s. Using SPM2 software, single subject and group statistical parametric maps were calculated. Lateralization of activation was assessed qualitatively and quantitatively.
Tinnitus was lateralized in 35 patients (83%, 13 right-sided and 22 left-sided). Significant signal change (P(corrected) < 0.05) was found bilaterally in the primary and secondary AC, the IC and the MGB. Signal change was symmetrical in patients with bilateral tinnitus. In patients with lateralized tinnitus, fMRI activation was lateralized towards the side of perceived tinnitus in the primary AC and IC in patients with right-sided tinnitus, and in the MGB in patients with left-sided tinnitus. In healthy volunteers, activation in the primary AC was left-lateralized.
Our paradigm adequately visualized the auditory pathways in tinnitus patients. In lateralized tinnitus fMRI activation was also lateralized, supporting the hypothesis that tinnitus is an auditory phantom phenomenon.</description><identifier>ISSN: 0028-3940</identifier><identifier>EISSN: 1432-1920</identifier><identifier>DOI: 10.1007/s00234-007-0231-3</identifier><identifier>PMID: 17404721</identifier><identifier>CODEN: NRDYAB</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Activation analysis ; Adult ; Aged ; Auditory pathways ; Auditory Pathways - pathology ; Auditory Pathways - physiopathology ; Biological and medical sciences ; Cortex (auditory) ; Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation ; Ears & hearing ; Electrodiagnosis. Electric activity recording ; Female ; Functional Laterality ; Functional magnetic resonance imaging ; Fundamental and applied biological sciences. Psychology ; Hearing ; Humans ; Hypothesis testing ; Inferior colliculus ; Investigative techniques, diagnostic techniques (general aspects) ; Magnetic Resonance Imaging ; Male ; Medial geniculate body ; Medical sciences ; Middle Aged ; Nervous system ; Neuroimaging ; Neurology ; Neurons ; NMR ; Nuclear magnetic resonance ; Radiodiagnosis. Nmr imagery. Nmr spectrometry ; Signal transduction ; Tinnitus ; Tinnitus - pathology ; Tinnitus - physiopathology ; Vertebrates: nervous system and sense organs</subject><ispartof>Neuroradiology, 2007-08, Vol.49 (8), p.669-679</ispartof><rights>2007 INIST-CNRS</rights><rights>Springer-Verlag 2007</rights><rights>Springer-Verlag 2007.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-45a06cb860296a77afab5d3c23fabd9425005e084a6ce8087f84fce090b2bc223</citedby><cites>FETCH-LOGICAL-c427t-45a06cb860296a77afab5d3c23fabd9425005e084a6ce8087f84fce090b2bc223</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18953433$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17404721$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>SMITS, Marion</creatorcontrib><creatorcontrib>KOVACS, Silvia</creatorcontrib><creatorcontrib>DE RIDDER, Dirk</creatorcontrib><creatorcontrib>PEETERS, Ronald R</creatorcontrib><creatorcontrib>VAN HECKE, Paul</creatorcontrib><creatorcontrib>SUNAERT, Stefan</creatorcontrib><title>Lateralization of functional magnetic resonance imaging (fMRI) activation in the auditory pathway of patients with lateralized tinnitus</title><title>Neuroradiology</title><addtitle>Neuroradiology</addtitle><description>Tinnitus is hypothesized to be an auditory phantom phenomenon resulting from spontaneous neuronal activity somewhere along the auditory pathway. We performed fMRI of the entire auditory pathway, including the inferior colliculus (IC), the medial geniculate body (MGB) and the auditory cortex (AC), in 42 patients with tinnitus and 10 healthy volunteers to assess lateralization of fMRI activation.
Subjects were scanned on a 3T MRI scanner. A T2*-weighted EPI silent gap sequence was used during the stimulation paradigm, which consisted of a blocked design of 12 epochs in which music presented binaurally through headphones, which was switched on and off for periods of 50 s. Using SPM2 software, single subject and group statistical parametric maps were calculated. Lateralization of activation was assessed qualitatively and quantitatively.
Tinnitus was lateralized in 35 patients (83%, 13 right-sided and 22 left-sided). Significant signal change (P(corrected) < 0.05) was found bilaterally in the primary and secondary AC, the IC and the MGB. Signal change was symmetrical in patients with bilateral tinnitus. In patients with lateralized tinnitus, fMRI activation was lateralized towards the side of perceived tinnitus in the primary AC and IC in patients with right-sided tinnitus, and in the MGB in patients with left-sided tinnitus. In healthy volunteers, activation in the primary AC was left-lateralized.
Our paradigm adequately visualized the auditory pathways in tinnitus patients. In lateralized tinnitus fMRI activation was also lateralized, supporting the hypothesis that tinnitus is an auditory phantom phenomenon.</description><subject>Activation analysis</subject><subject>Adult</subject><subject>Aged</subject><subject>Auditory pathways</subject><subject>Auditory Pathways - pathology</subject><subject>Auditory Pathways - physiopathology</subject><subject>Biological and medical sciences</subject><subject>Cortex (auditory)</subject><subject>Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation</subject><subject>Ears & hearing</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>Female</subject><subject>Functional Laterality</subject><subject>Functional magnetic resonance imaging</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hearing</subject><subject>Humans</subject><subject>Hypothesis testing</subject><subject>Inferior colliculus</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Medial geniculate body</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Nervous system</subject><subject>Neuroimaging</subject><subject>Neurology</subject><subject>Neurons</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Radiodiagnosis. Nmr imagery. Nmr spectrometry</subject><subject>Signal transduction</subject><subject>Tinnitus</subject><subject>Tinnitus - pathology</subject><subject>Tinnitus - physiopathology</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>0028-3940</issn><issn>1432-1920</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kV9rFDEUxYNY7Fr9AL5IsCj2YfTmz0xmHqX4p7AiiD6HO5mkmzKbWZOMZf0C_dpm2JWC0IeQw83vnMA9hLxg8I4BqPcJgAtZFVkVwSrxiKyYFLxiHYfHZFWe20p0Ek7J05RuAEAooZ6QU6YkSMXZitytMduIo_-D2U-BTo66OZhF40i3eB1s9oZGm8ogGEt9mflwTd-6r9-vLigW9PfB6gPNG0txHnye4p7uMG9ucb9EFultyIne-ryh478v7UCzD8HnOT0jJw7HZJ8f7zPy89PHH5dfqvW3z1eXH9aVkVzlStYIjenbBnjXoFLosK8HYbgoYugkrwFqC63ExtgWWuVa6YyFDnreG87FGXlzyN3F6ddsU9Zbn4wdRwx2mpNWoGTNWlnA8__Am2mOZSlJ806IppHlFOrVgxRnvJa1hAKxA2TilFK0Tu9iWWPcawZ6KVIfitSLXIrUonheHoPnfmuHe8exuQK8PgKYDI4ulnZ8uufarhZSCPEXag-m0A</recordid><startdate>20070801</startdate><enddate>20070801</enddate><creator>SMITS, Marion</creator><creator>KOVACS, Silvia</creator><creator>DE RIDDER, Dirk</creator><creator>PEETERS, Ronald R</creator><creator>VAN HECKE, Paul</creator><creator>SUNAERT, Stefan</creator><general>Springer</general><general>Springer Nature B.V</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>3V.</scope><scope>7QO</scope><scope>7RV</scope><scope>7TK</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20070801</creationdate><title>Lateralization of functional magnetic resonance imaging (fMRI) activation in the auditory pathway of patients with lateralized tinnitus</title><author>SMITS, Marion ; KOVACS, Silvia ; DE RIDDER, Dirk ; PEETERS, Ronald R ; VAN HECKE, Paul ; SUNAERT, Stefan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c427t-45a06cb860296a77afab5d3c23fabd9425005e084a6ce8087f84fce090b2bc223</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Activation analysis</topic><topic>Adult</topic><topic>Aged</topic><topic>Auditory pathways</topic><topic>Auditory Pathways - pathology</topic><topic>Auditory Pathways - physiopathology</topic><topic>Biological and medical sciences</topic><topic>Cortex (auditory)</topic><topic>Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation</topic><topic>Ears & hearing</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>Female</topic><topic>Functional Laterality</topic><topic>Functional magnetic resonance imaging</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hearing</topic><topic>Humans</topic><topic>Hypothesis testing</topic><topic>Inferior colliculus</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Medial geniculate body</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Nervous system</topic><topic>Neuroimaging</topic><topic>Neurology</topic><topic>Neurons</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Radiodiagnosis. Nmr imagery. 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We performed fMRI of the entire auditory pathway, including the inferior colliculus (IC), the medial geniculate body (MGB) and the auditory cortex (AC), in 42 patients with tinnitus and 10 healthy volunteers to assess lateralization of fMRI activation.
Subjects were scanned on a 3T MRI scanner. A T2*-weighted EPI silent gap sequence was used during the stimulation paradigm, which consisted of a blocked design of 12 epochs in which music presented binaurally through headphones, which was switched on and off for periods of 50 s. Using SPM2 software, single subject and group statistical parametric maps were calculated. Lateralization of activation was assessed qualitatively and quantitatively.
Tinnitus was lateralized in 35 patients (83%, 13 right-sided and 22 left-sided). Significant signal change (P(corrected) < 0.05) was found bilaterally in the primary and secondary AC, the IC and the MGB. Signal change was symmetrical in patients with bilateral tinnitus. In patients with lateralized tinnitus, fMRI activation was lateralized towards the side of perceived tinnitus in the primary AC and IC in patients with right-sided tinnitus, and in the MGB in patients with left-sided tinnitus. In healthy volunteers, activation in the primary AC was left-lateralized.
Our paradigm adequately visualized the auditory pathways in tinnitus patients. In lateralized tinnitus fMRI activation was also lateralized, supporting the hypothesis that tinnitus is an auditory phantom phenomenon.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>17404721</pmid><doi>10.1007/s00234-007-0231-3</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Springer Nature - Complete Springer Journals |
| subjects | Activation analysis Adult Aged Auditory pathways Auditory Pathways - pathology Auditory Pathways - physiopathology Biological and medical sciences Cortex (auditory) Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation Ears & hearing Electrodiagnosis. Electric activity recording Female Functional Laterality Functional magnetic resonance imaging Fundamental and applied biological sciences. Psychology Hearing Humans Hypothesis testing Inferior colliculus Investigative techniques, diagnostic techniques (general aspects) Magnetic Resonance Imaging Male Medial geniculate body Medical sciences Middle Aged Nervous system Neuroimaging Neurology Neurons NMR Nuclear magnetic resonance Radiodiagnosis. Nmr imagery. Nmr spectrometry Signal transduction Tinnitus Tinnitus - pathology Tinnitus - physiopathology Vertebrates: nervous system and sense organs |
| title | Lateralization of functional magnetic resonance imaging (fMRI) activation in the auditory pathway of patients with lateralized tinnitus |
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