Investigation of the modulation between EEG alpha waves and slow/fast delta waves in children in different depths of Desflurane anesthesia
Abstract Objectives Investigation of the amplitude modulation of alpha-band EEG oscillations (i.e., grouping of alpha-band activities) by delta-band EEG activities in various depths of anesthesia (DOA). Methods This modulation, which is a sort of phase dependent amplitude modulation, is studied in 1...
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| creator | Molaee-Ardekani, B Shamsollahi, M.B Tirel, O Vosoughi-Vahdat, B Wodey, E Senhadji, L |
| description | Abstract Objectives Investigation of the amplitude modulation of alpha-band EEG oscillations (i.e., grouping of alpha-band activities) by delta-band EEG activities in various depths of anesthesia (DOA). Methods This modulation, which is a sort of phase dependent amplitude modulation, is studied in 10 children in various depths of Desflurane anesthesia. Two parameters are defined to quantify the modulation: strength of modulation (SOM) and phase of modulation (POM). SOM indicates to what extent delta and alpha activities are related to each other, and POM is the delta phase in which the alpha amplitude is maximal. These parameters are analyzed in different DOA for various formations of delta sub-bands. Results The ability of POM and SOM were explored to characterize mechanisms contributing to delta activities and their correlation with the level of anesthesia. These parameters are influenced by DOA and frequency intervals of delta sub-bands. SOM takes higher values around certain frequency ranges of delta band. According to this, delta band comprises three main sub-bands in various unconsciousness levels. Although boundaries of these sub-bands change with DOA, they are almost in [0.1–0.5] Hz (very slow delta), [0.7–1.7] Hz (slow delta) and [2–4] Hz (fast delta) intervals. POMs relating to slow and fast delta bands increase with consciousness level. This is an indication that delta waves differently modulate alpha EEG activities (in terms of phase lag) in different DOA. In deep anesthesia, POM relating to fast delta correlates with DOA better than POM relating to slow delta does. In light anesthesia this correlation is inversed. Investigation regarding to different formations of delta sub-bands shows that POM relating to [1.8–4] Hz is a proper choice for distinguishing deep, moderate and light anesthesia. Conclusion SOM allows separating mechanisms underlying delta band activities, and POM can be seen as a complementary neurophysiologic-based parameter for quantifying DOA. |
| doi_str_mv | 10.1016/j.irbm.2009.10.003 |
| format | Article |
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Methods This modulation, which is a sort of phase dependent amplitude modulation, is studied in 10 children in various depths of Desflurane anesthesia. Two parameters are defined to quantify the modulation: strength of modulation (SOM) and phase of modulation (POM). SOM indicates to what extent delta and alpha activities are related to each other, and POM is the delta phase in which the alpha amplitude is maximal. These parameters are analyzed in different DOA for various formations of delta sub-bands. Results The ability of POM and SOM were explored to characterize mechanisms contributing to delta activities and their correlation with the level of anesthesia. These parameters are influenced by DOA and frequency intervals of delta sub-bands. SOM takes higher values around certain frequency ranges of delta band. According to this, delta band comprises three main sub-bands in various unconsciousness levels. Although boundaries of these sub-bands change with DOA, they are almost in [0.1–0.5] Hz (very slow delta), [0.7–1.7] Hz (slow delta) and [2–4] Hz (fast delta) intervals. POMs relating to slow and fast delta bands increase with consciousness level. This is an indication that delta waves differently modulate alpha EEG activities (in terms of phase lag) in different DOA. In deep anesthesia, POM relating to fast delta correlates with DOA better than POM relating to slow delta does. In light anesthesia this correlation is inversed. Investigation regarding to different formations of delta sub-bands shows that POM relating to [1.8–4] Hz is a proper choice for distinguishing deep, moderate and light anesthesia. Conclusion SOM allows separating mechanisms underlying delta band activities, and POM can be seen as a complementary neurophysiologic-based parameter for quantifying DOA.</description><identifier>ISSN: 1959-0318</identifier><identifier>DOI: 10.1016/j.irbm.2009.10.003</identifier><language>eng</language><publisher>Issy-les-Moulineaux: Elsevier Masson SAS</publisher><subject>Anesthesia ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Anesthésie ; Bioengineering ; Biological and medical sciences ; Computer Science ; Couplage de phase ; Delta band segmentation ; Delta lent ; Delta rapide ; Depth of Anesthesia ; Desflurane ; Desflurane Anesthesia ; EEG ; Electrodiagnosis. Electric activity recording ; Engineering Sciences ; Fast Delta ; General anesthesia. Technics. Complications. Neuromuscular blocking. Premedication. Surgical preparation. Sedation ; Internal Medicine ; Investigative techniques, diagnostic techniques (general aspects) ; Life Sciences ; Medical sciences ; Modulation ; Nervous system ; Phase coupling ; Profondeur d’anesthésie ; Signal and Image processing ; Slow Delta ; Sous-bandes Delta</subject><ispartof>Ingénierie et recherche biomédicale, 2010-02, Vol.31 (1), p.55-66</ispartof><rights>Elsevier Masson SAS</rights><rights>2009 Elsevier Masson SAS</rights><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c466t-a0927840550a47938dec8fc97ded184552076c8f587fa16c1bb374ee3134d3c23</citedby><cites>FETCH-LOGICAL-c466t-a0927840550a47938dec8fc97ded184552076c8f587fa16c1bb374ee3134d3c23</cites><orcidid>0000-0001-9434-6341</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1959031809001092$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22603428$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://inserm.hal.science/inserm-00483449$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Molaee-Ardekani, B</creatorcontrib><creatorcontrib>Shamsollahi, M.B</creatorcontrib><creatorcontrib>Tirel, O</creatorcontrib><creatorcontrib>Vosoughi-Vahdat, B</creatorcontrib><creatorcontrib>Wodey, E</creatorcontrib><creatorcontrib>Senhadji, L</creatorcontrib><title>Investigation of the modulation between EEG alpha waves and slow/fast delta waves in children in different depths of Desflurane anesthesia</title><title>Ingénierie et recherche biomédicale</title><description>Abstract Objectives Investigation of the amplitude modulation of alpha-band EEG oscillations (i.e., grouping of alpha-band activities) by delta-band EEG activities in various depths of anesthesia (DOA). Methods This modulation, which is a sort of phase dependent amplitude modulation, is studied in 10 children in various depths of Desflurane anesthesia. Two parameters are defined to quantify the modulation: strength of modulation (SOM) and phase of modulation (POM). SOM indicates to what extent delta and alpha activities are related to each other, and POM is the delta phase in which the alpha amplitude is maximal. These parameters are analyzed in different DOA for various formations of delta sub-bands. Results The ability of POM and SOM were explored to characterize mechanisms contributing to delta activities and their correlation with the level of anesthesia. These parameters are influenced by DOA and frequency intervals of delta sub-bands. SOM takes higher values around certain frequency ranges of delta band. According to this, delta band comprises three main sub-bands in various unconsciousness levels. Although boundaries of these sub-bands change with DOA, they are almost in [0.1–0.5] Hz (very slow delta), [0.7–1.7] Hz (slow delta) and [2–4] Hz (fast delta) intervals. POMs relating to slow and fast delta bands increase with consciousness level. This is an indication that delta waves differently modulate alpha EEG activities (in terms of phase lag) in different DOA. In deep anesthesia, POM relating to fast delta correlates with DOA better than POM relating to slow delta does. In light anesthesia this correlation is inversed. Investigation regarding to different formations of delta sub-bands shows that POM relating to [1.8–4] Hz is a proper choice for distinguishing deep, moderate and light anesthesia. Conclusion SOM allows separating mechanisms underlying delta band activities, and POM can be seen as a complementary neurophysiologic-based parameter for quantifying DOA.</description><subject>Anesthesia</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Anesthésie</subject><subject>Bioengineering</subject><subject>Biological and medical sciences</subject><subject>Computer Science</subject><subject>Couplage de phase</subject><subject>Delta band segmentation</subject><subject>Delta lent</subject><subject>Delta rapide</subject><subject>Depth of Anesthesia</subject><subject>Desflurane</subject><subject>Desflurane Anesthesia</subject><subject>EEG</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>Engineering Sciences</subject><subject>Fast Delta</subject><subject>General anesthesia. Technics. Complications. Neuromuscular blocking. Premedication. Surgical preparation. Sedation</subject><subject>Internal Medicine</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Life Sciences</subject><subject>Medical sciences</subject><subject>Modulation</subject><subject>Nervous system</subject><subject>Phase coupling</subject><subject>Profondeur d’anesthésie</subject><subject>Signal and Image processing</subject><subject>Slow Delta</subject><subject>Sous-bandes Delta</subject><issn>1959-0318</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9ks1qWzEQhe-ihaRpXqArbbqrndHP_YNSCKmbBAxdJF0LWRr1ypV1jSTb5BXy1NHltllk0ZWG0fnmMIepqk8UlhRoc7VdurjZLRlAXxpLAP6uOqd93S-A0-6s-pDSFqDhjNPz6vk-HDFl91tlNwYyWpIHJLvRHPzc2WA-IQayWt0S5feDIidVCKKCIcmPpyurUiYGff734wLRg_MmFqrUxlmLpZ5E-zykyeM7JusPUQUsc4r9gMmpj9V7q3zCy7_vRfXrx-rx5m6x_nl7f3O9XmjRNHmhoGdtJ6CuQYm2551B3VndtwYN7URdM2ib0qm71iraaLrZ8FYgcsqF4Zrxi-rLPHdQXu6j26n4JEfl5N31WrqQMO4kgOi4EP2RFjmb5TqOKUW0rwwFOQUut3IKXE6BT70SeIE-z9BeJa28Latql15JxhrggnVF93XWYVn46DDKpB0GjcZF1Fma0f3f5tsbXHsXXHH8g0-YtuMhhhKlpDIxCfJhuoLpCKAHoCVH_gIJP67b</recordid><startdate>20100201</startdate><enddate>20100201</enddate><creator>Molaee-Ardekani, B</creator><creator>Shamsollahi, M.B</creator><creator>Tirel, O</creator><creator>Vosoughi-Vahdat, B</creator><creator>Wodey, E</creator><creator>Senhadji, L</creator><general>Elsevier Masson SAS</general><general>Elsevier Masson</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0001-9434-6341</orcidid></search><sort><creationdate>20100201</creationdate><title>Investigation of the modulation between EEG alpha waves and slow/fast delta waves in children in different depths of Desflurane anesthesia</title><author>Molaee-Ardekani, B ; Shamsollahi, M.B ; Tirel, O ; Vosoughi-Vahdat, B ; Wodey, E ; Senhadji, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c466t-a0927840550a47938dec8fc97ded184552076c8f587fa16c1bb374ee3134d3c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Anesthesia</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Anesthésie</topic><topic>Bioengineering</topic><topic>Biological and medical sciences</topic><topic>Computer Science</topic><topic>Couplage de phase</topic><topic>Delta band segmentation</topic><topic>Delta lent</topic><topic>Delta rapide</topic><topic>Depth of Anesthesia</topic><topic>Desflurane</topic><topic>Desflurane Anesthesia</topic><topic>EEG</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>Engineering Sciences</topic><topic>Fast Delta</topic><topic>General anesthesia. Technics. Complications. Neuromuscular blocking. Premedication. Surgical preparation. Sedation</topic><topic>Internal Medicine</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Life Sciences</topic><topic>Medical sciences</topic><topic>Modulation</topic><topic>Nervous system</topic><topic>Phase coupling</topic><topic>Profondeur d’anesthésie</topic><topic>Signal and Image processing</topic><topic>Slow Delta</topic><topic>Sous-bandes Delta</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Molaee-Ardekani, B</creatorcontrib><creatorcontrib>Shamsollahi, M.B</creatorcontrib><creatorcontrib>Tirel, O</creatorcontrib><creatorcontrib>Vosoughi-Vahdat, B</creatorcontrib><creatorcontrib>Wodey, E</creatorcontrib><creatorcontrib>Senhadji, L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Ingénierie et recherche biomédicale</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Molaee-Ardekani, B</au><au>Shamsollahi, M.B</au><au>Tirel, O</au><au>Vosoughi-Vahdat, B</au><au>Wodey, E</au><au>Senhadji, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the modulation between EEG alpha waves and slow/fast delta waves in children in different depths of Desflurane anesthesia</atitle><jtitle>Ingénierie et recherche biomédicale</jtitle><date>2010-02-01</date><risdate>2010</risdate><volume>31</volume><issue>1</issue><spage>55</spage><epage>66</epage><pages>55-66</pages><issn>1959-0318</issn><abstract>Abstract Objectives Investigation of the amplitude modulation of alpha-band EEG oscillations (i.e., grouping of alpha-band activities) by delta-band EEG activities in various depths of anesthesia (DOA). Methods This modulation, which is a sort of phase dependent amplitude modulation, is studied in 10 children in various depths of Desflurane anesthesia. Two parameters are defined to quantify the modulation: strength of modulation (SOM) and phase of modulation (POM). SOM indicates to what extent delta and alpha activities are related to each other, and POM is the delta phase in which the alpha amplitude is maximal. These parameters are analyzed in different DOA for various formations of delta sub-bands. Results The ability of POM and SOM were explored to characterize mechanisms contributing to delta activities and their correlation with the level of anesthesia. These parameters are influenced by DOA and frequency intervals of delta sub-bands. SOM takes higher values around certain frequency ranges of delta band. According to this, delta band comprises three main sub-bands in various unconsciousness levels. Although boundaries of these sub-bands change with DOA, they are almost in [0.1–0.5] Hz (very slow delta), [0.7–1.7] Hz (slow delta) and [2–4] Hz (fast delta) intervals. POMs relating to slow and fast delta bands increase with consciousness level. This is an indication that delta waves differently modulate alpha EEG activities (in terms of phase lag) in different DOA. In deep anesthesia, POM relating to fast delta correlates with DOA better than POM relating to slow delta does. In light anesthesia this correlation is inversed. Investigation regarding to different formations of delta sub-bands shows that POM relating to [1.8–4] Hz is a proper choice for distinguishing deep, moderate and light anesthesia. Conclusion SOM allows separating mechanisms underlying delta band activities, and POM can be seen as a complementary neurophysiologic-based parameter for quantifying DOA.</abstract><cop>Issy-les-Moulineaux</cop><pub>Elsevier Masson SAS</pub><doi>10.1016/j.irbm.2009.10.003</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-9434-6341</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Anesthesia Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Anesthésie Bioengineering Biological and medical sciences Computer Science Couplage de phase Delta band segmentation Delta lent Delta rapide Depth of Anesthesia Desflurane Desflurane Anesthesia EEG Electrodiagnosis. Electric activity recording Engineering Sciences Fast Delta General anesthesia. Technics. Complications. Neuromuscular blocking. Premedication. Surgical preparation. Sedation Internal Medicine Investigative techniques, diagnostic techniques (general aspects) Life Sciences Medical sciences Modulation Nervous system Phase coupling Profondeur d’anesthésie Signal and Image processing Slow Delta Sous-bandes Delta |
| title | Investigation of the modulation between EEG alpha waves and slow/fast delta waves in children in different depths of Desflurane anesthesia |
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