A comparison of quantitative EEG frequency analysis and conventional EEG in patients with focal brain lesions
The sensitivity and specificity of quantified EEG frequency analysis (EEGFA) were assessed in a group of patients with CT or MRI verified unilateral cerebral lesions and compared with the results of conventional EEG interpretations. Digital EEG recordings were obtained in 25 patients and 25 normal c...
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| Veröffentlicht in: | Electroencephalography and clinical neurophysiology 1992-12, Vol.83 (6), p.358-366 |
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| container_end_page | 366 |
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| container_title | Electroencephalography and clinical neurophysiology |
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| creator | Salinsky, M.C. Oken, B.S. Kramer, R.E. Morehead, L. |
| description | The sensitivity and specificity of quantified EEG frequency analysis (EEGFA) were assessed in a group of patients with CT or MRI verified unilateral cerebral lesions and compared with the results of conventional EEG interpretations. Digital EEG recordings were obtained in 25 patients and 25 normal control subjects during performance of an alerting task. Recording artifacts were carefully eliminated. The results of EEGFA were then statistically compared with those of 75 additional normal subjects in the same age range. Complete conventional EEGs were blindly interpreted by two independent electroencephalographers using a structured reporting procedure.
We observed similar overall sensitivities for the two methods. Optimal yeild for EEGFA was associated with the use of longer edited EEG lengths, longitudinal bipolar montage, and normative data bases on total EEG power. In those recordings with normal or mildly abnormal EEG backgrounds the two techniques were to an extent complimentary, each detecting abnormalities missed by the other. In such circumstances EEGFA may be useful as an extension of conventional EEG interpretation. |
| doi_str_mv | 10.1016/0013-4694(92)90071-O |
| format | Article |
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We observed similar overall sensitivities for the two methods. Optimal yeild for EEGFA was associated with the use of longer edited EEG lengths, longitudinal bipolar montage, and normative data bases on total EEG power. In those recordings with normal or mildly abnormal EEG backgrounds the two techniques were to an extent complimentary, each detecting abnormalities missed by the other. In such circumstances EEGFA may be useful as an extension of conventional EEG interpretation.</description><identifier>ISSN: 0013-4694</identifier><identifier>EISSN: 1872-6380</identifier><identifier>DOI: 10.1016/0013-4694(92)90071-O</identifier><identifier>PMID: 1281081</identifier><language>eng</language><publisher>Ireland: Elsevier Ireland Ltd</publisher><subject>Adult ; Brain Neoplasms - diagnosis ; Cerebral Hemorrhage - diagnosis ; Cerebrovascular Disorders - diagnosis ; EEG frequency analysis ; Electroencephalography - methods ; Focal brain lesion ; Hematoma - diagnosis ; Human ; Humans ; Intracranial Arteriovenous Malformations - diagnosis ; Middle Aged ; Quantified EEG frequency analysis ; Reference Values ; Sensitivity and Specificity</subject><ispartof>Electroencephalography and clinical neurophysiology, 1992-12, Vol.83 (6), p.358-366</ispartof><rights>1992</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-34de818380921854dd2d4e6bdb742396ba0d4e71b9e484cac4cc2165cbb33e7f3</citedby><cites>FETCH-LOGICAL-c386t-34de818380921854dd2d4e6bdb742396ba0d4e71b9e484cac4cc2165cbb33e7f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1281081$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Salinsky, M.C.</creatorcontrib><creatorcontrib>Oken, B.S.</creatorcontrib><creatorcontrib>Kramer, R.E.</creatorcontrib><creatorcontrib>Morehead, L.</creatorcontrib><title>A comparison of quantitative EEG frequency analysis and conventional EEG in patients with focal brain lesions</title><title>Electroencephalography and clinical neurophysiology</title><addtitle>Electroencephalogr Clin Neurophysiol</addtitle><description>The sensitivity and specificity of quantified EEG frequency analysis (EEGFA) were assessed in a group of patients with CT or MRI verified unilateral cerebral lesions and compared with the results of conventional EEG interpretations. Digital EEG recordings were obtained in 25 patients and 25 normal control subjects during performance of an alerting task. Recording artifacts were carefully eliminated. The results of EEGFA were then statistically compared with those of 75 additional normal subjects in the same age range. Complete conventional EEGs were blindly interpreted by two independent electroencephalographers using a structured reporting procedure.
We observed similar overall sensitivities for the two methods. Optimal yeild for EEGFA was associated with the use of longer edited EEG lengths, longitudinal bipolar montage, and normative data bases on total EEG power. In those recordings with normal or mildly abnormal EEG backgrounds the two techniques were to an extent complimentary, each detecting abnormalities missed by the other. In such circumstances EEGFA may be useful as an extension of conventional EEG interpretation.</description><subject>Adult</subject><subject>Brain Neoplasms - diagnosis</subject><subject>Cerebral Hemorrhage - diagnosis</subject><subject>Cerebrovascular Disorders - diagnosis</subject><subject>EEG frequency analysis</subject><subject>Electroencephalography - methods</subject><subject>Focal brain lesion</subject><subject>Hematoma - diagnosis</subject><subject>Human</subject><subject>Humans</subject><subject>Intracranial Arteriovenous Malformations - diagnosis</subject><subject>Middle Aged</subject><subject>Quantified EEG frequency analysis</subject><subject>Reference Values</subject><subject>Sensitivity and Specificity</subject><issn>0013-4694</issn><issn>1872-6380</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtOwzAQRS0EgvL4A5C8QrAI-EXibJAqVB4SUjewthx7IoySuNhpUf-eKUWwY2V77rkznkvIKWdXnPHymjEuC1XW6qIWlzVjFS_mO2TCdSWKUmq2Sya_yAE5zPmdMSa4qPbJPheaM80npJ9SF_uFTSHHgcaWfiztMIbRjmEFdDZ7oG2CjyUMbk3tYLt1DhkvHl3DCpCMWPzmwkAX6MJapp9hfKNtdCg1yaLSQUYyH5O91nYZTn7OI_J6P3u5eyye5w9Pd9PnwkldjoVUHjTXuEMtuL5R3guvoGx8Uykh67KxDN8Vb2pQWjnrlHOClzeuaaSEqpVH5Hzbd5Eifj6Ppg_ZQdfZAeIym0pKUZecIai2oEsx5wStWaTQ27Q2nJlNymYTodlEaGphvlM2c7Sd_fRfNj34P9M2VtRvtzrgkqsAyWSHyTjwIYEbjY_h_wFfIduM-w</recordid><startdate>19921201</startdate><enddate>19921201</enddate><creator>Salinsky, M.C.</creator><creator>Oken, B.S.</creator><creator>Kramer, R.E.</creator><creator>Morehead, L.</creator><general>Elsevier Ireland Ltd</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>19921201</creationdate><title>A comparison of quantitative EEG frequency analysis and conventional EEG in patients with focal brain lesions</title><author>Salinsky, M.C. ; Oken, B.S. ; Kramer, R.E. ; Morehead, L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-34de818380921854dd2d4e6bdb742396ba0d4e71b9e484cac4cc2165cbb33e7f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Adult</topic><topic>Brain Neoplasms - diagnosis</topic><topic>Cerebral Hemorrhage - diagnosis</topic><topic>Cerebrovascular Disorders - diagnosis</topic><topic>EEG frequency analysis</topic><topic>Electroencephalography - methods</topic><topic>Focal brain lesion</topic><topic>Hematoma - diagnosis</topic><topic>Human</topic><topic>Humans</topic><topic>Intracranial Arteriovenous Malformations - diagnosis</topic><topic>Middle Aged</topic><topic>Quantified EEG frequency analysis</topic><topic>Reference Values</topic><topic>Sensitivity and Specificity</topic><toplevel>online_resources</toplevel><creatorcontrib>Salinsky, M.C.</creatorcontrib><creatorcontrib>Oken, B.S.</creatorcontrib><creatorcontrib>Kramer, R.E.</creatorcontrib><creatorcontrib>Morehead, L.</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>Electroencephalography and clinical neurophysiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Salinsky, M.C.</au><au>Oken, B.S.</au><au>Kramer, R.E.</au><au>Morehead, L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A comparison of quantitative EEG frequency analysis and conventional EEG in patients with focal brain lesions</atitle><jtitle>Electroencephalography and clinical neurophysiology</jtitle><addtitle>Electroencephalogr Clin Neurophysiol</addtitle><date>1992-12-01</date><risdate>1992</risdate><volume>83</volume><issue>6</issue><spage>358</spage><epage>366</epage><pages>358-366</pages><issn>0013-4694</issn><eissn>1872-6380</eissn><abstract>The sensitivity and specificity of quantified EEG frequency analysis (EEGFA) were assessed in a group of patients with CT or MRI verified unilateral cerebral lesions and compared with the results of conventional EEG interpretations. Digital EEG recordings were obtained in 25 patients and 25 normal control subjects during performance of an alerting task. Recording artifacts were carefully eliminated. The results of EEGFA were then statistically compared with those of 75 additional normal subjects in the same age range. Complete conventional EEGs were blindly interpreted by two independent electroencephalographers using a structured reporting procedure.
We observed similar overall sensitivities for the two methods. Optimal yeild for EEGFA was associated with the use of longer edited EEG lengths, longitudinal bipolar montage, and normative data bases on total EEG power. In those recordings with normal or mildly abnormal EEG backgrounds the two techniques were to an extent complimentary, each detecting abnormalities missed by the other. In such circumstances EEGFA may be useful as an extension of conventional EEG interpretation.</abstract><cop>Ireland</cop><pub>Elsevier Ireland Ltd</pub><pmid>1281081</pmid><doi>10.1016/0013-4694(92)90071-O</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 0013-4694 |
| ispartof | Electroencephalography and clinical neurophysiology, 1992-12, Vol.83 (6), p.358-366 |
| issn | 0013-4694 1872-6380 |
| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Adult Brain Neoplasms - diagnosis Cerebral Hemorrhage - diagnosis Cerebrovascular Disorders - diagnosis EEG frequency analysis Electroencephalography - methods Focal brain lesion Hematoma - diagnosis Human Humans Intracranial Arteriovenous Malformations - diagnosis Middle Aged Quantified EEG frequency analysis Reference Values Sensitivity and Specificity |
| title | A comparison of quantitative EEG frequency analysis and conventional EEG in patients with focal brain lesions |
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