EEG power modifications in obsessive-compulsive disorder during olfactory stimulation
Temporal lobe electroencephalogram (EEG) activity was quantitatively analyzed in obsessive-compulsive disorder (OCD) when subjects are at rest and during a temporal lobe activating procedure, i.e., olfactory stimulation. At rest with eyes closed, delta-1 and alpha-2 power differences were evident in...
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Veröffentlicht in: | Biological psychiatry (1969) 1996-03, Vol.39 (5), p.326-331 |
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container_title | Biological psychiatry (1969) |
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creator | Locatelli, Marco Bellodi, Laura Grassi, Barbara Scarone, Silvio |
description | Temporal lobe electroencephalogram (EEG) activity was quantitatively analyzed in obsessive-compulsive disorder (OCD) when subjects are at rest and during a temporal lobe activating procedure, i.e., olfactory stimulation. At rest with eyes closed, delta-1 and alpha-2 power differences were evident in OCD patients as compared with normal controls. During olfactory stimulation, differences between the patient and normal groups were detectable in the slower beta frequencies: Normal subjects showed a power increase, whereas OCD patients showed no modification or a slight decrease. Our results support previous findings of temporal lobe EEG abnormalities in OCD patients with an abnormal pattern of response to a temporal lobe activating procedure. |
doi_str_mv | 10.1016/0006-3223(95)00172-7 |
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At rest with eyes closed, delta-1 and alpha-2 power differences were evident in OCD patients as compared with normal controls. During olfactory stimulation, differences between the patient and normal groups were detectable in the slower beta frequencies: Normal subjects showed a power increase, whereas OCD patients showed no modification or a slight decrease. Our results support previous findings of temporal lobe EEG abnormalities in OCD patients with an abnormal pattern of response to a temporal lobe activating procedure.</description><identifier>ISSN: 0006-3223</identifier><identifier>EISSN: 1873-2402</identifier><identifier>DOI: 10.1016/0006-3223(95)00172-7</identifier><identifier>PMID: 8704063</identifier><identifier>CODEN: BIPCBF</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adult ; Adult and adolescent clinical studies ; Anxiety disorders. Neuroses ; Arousal - physiology ; Beta Rhythm ; Biological and medical sciences ; EEG ; electroencephalogram ; Electroencephalography ; Evoked Potentials - physiology ; Female ; Fourier Analysis ; Humans ; Limbic System - physiopathology ; Male ; Medical sciences ; Middle Aged ; Neural Pathways - physiopathology ; Obsessive-compulsive disorder ; Obsessive-Compulsive Disorder - diagnosis ; Obsessive-Compulsive Disorder - physiopathology ; Obsessive-Compulsive Disorder - psychology ; Obsessive-compulsive disorders ; olfactory stimulation ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. Psychiatry ; Signal Processing, Computer-Assisted ; Smell - physiology ; spectral analysis ; temporal lobe ; Temporal Lobe - physiopathology</subject><ispartof>Biological psychiatry (1969), 1996-03, Vol.39 (5), p.326-331</ispartof><rights>1996 Society of Biological Psychiatry</rights><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-1aaad323f8cefad1d158d997046a389275c69f0cb8b565ef6d8e23858bf190663</citedby><cites>FETCH-LOGICAL-c386t-1aaad323f8cefad1d158d997046a389275c69f0cb8b565ef6d8e23858bf190663</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0006-3223(95)00172-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3026463$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8704063$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Locatelli, Marco</creatorcontrib><creatorcontrib>Bellodi, Laura</creatorcontrib><creatorcontrib>Grassi, Barbara</creatorcontrib><creatorcontrib>Scarone, Silvio</creatorcontrib><title>EEG power modifications in obsessive-compulsive disorder during olfactory stimulation</title><title>Biological psychiatry (1969)</title><addtitle>Biol Psychiatry</addtitle><description>Temporal lobe electroencephalogram (EEG) activity was quantitatively analyzed in obsessive-compulsive disorder (OCD) when subjects are at rest and during a temporal lobe activating procedure, i.e., olfactory stimulation. At rest with eyes closed, delta-1 and alpha-2 power differences were evident in OCD patients as compared with normal controls. During olfactory stimulation, differences between the patient and normal groups were detectable in the slower beta frequencies: Normal subjects showed a power increase, whereas OCD patients showed no modification or a slight decrease. Our results support previous findings of temporal lobe EEG abnormalities in OCD patients with an abnormal pattern of response to a temporal lobe activating procedure.</description><subject>Adult</subject><subject>Adult and adolescent clinical studies</subject><subject>Anxiety disorders. Neuroses</subject><subject>Arousal - physiology</subject><subject>Beta Rhythm</subject><subject>Biological and medical sciences</subject><subject>EEG</subject><subject>electroencephalogram</subject><subject>Electroencephalography</subject><subject>Evoked Potentials - physiology</subject><subject>Female</subject><subject>Fourier Analysis</subject><subject>Humans</subject><subject>Limbic System - physiopathology</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Neural Pathways - physiopathology</subject><subject>Obsessive-compulsive disorder</subject><subject>Obsessive-Compulsive Disorder - diagnosis</subject><subject>Obsessive-Compulsive Disorder - physiopathology</subject><subject>Obsessive-Compulsive Disorder - psychology</subject><subject>Obsessive-compulsive disorders</subject><subject>olfactory stimulation</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychopathology. Psychiatry</subject><subject>Signal Processing, Computer-Assisted</subject><subject>Smell - physiology</subject><subject>spectral analysis</subject><subject>temporal lobe</subject><subject>Temporal Lobe - physiopathology</subject><issn>0006-3223</issn><issn>1873-2402</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1LHEEQhhsx6Eb9BwpzkJAcJvbHTn9cBJGNBoRc4rnp6a6WlpnptWtG8d9n9oM95lRV1PMWxUPIJaM_GWXyhlIqa8G5-G6aH5QyxWt1RBZMK1HzJeXHZHFATslXxNd5VJyzE3KiFV1SKRbkebV6qNb5A0rV55Bi8m5MecAqDVVuERDTO9Q-9-up27RVSJhLmPEwlTS8VLmLzo-5fFY4pn7qtvFz8iW6DuFiX8_I86_V3_vH-unPw-_7u6faCy3HmjnnguAiag_RBRZYo4Mx82_SCW24arw0kfpWt41sIMqggQvd6DYyQ6UUZ-Tb7u665LcJcLR9Qg9d5wbIE1qlqRFSmRlc7kBfMmKBaNcl9a58WkbtxqbdqLIbVdY0dmvTqjl2tb8_tT2EQ2ivb95f7_cOveticYNPeMAE5XK5xW53GMwu3hMUiz7B4CGkAn60Iaf___EP1YCRZg</recordid><startdate>19960301</startdate><enddate>19960301</enddate><creator>Locatelli, Marco</creator><creator>Bellodi, Laura</creator><creator>Grassi, Barbara</creator><creator>Scarone, Silvio</creator><general>Elsevier Inc</general><general>Elsevier Science</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>7X8</scope></search><sort><creationdate>19960301</creationdate><title>EEG power modifications in obsessive-compulsive disorder during olfactory stimulation</title><author>Locatelli, Marco ; Bellodi, Laura ; Grassi, Barbara ; Scarone, Silvio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-1aaad323f8cefad1d158d997046a389275c69f0cb8b565ef6d8e23858bf190663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Adult</topic><topic>Adult and adolescent clinical studies</topic><topic>Anxiety disorders. Neuroses</topic><topic>Arousal - physiology</topic><topic>Beta Rhythm</topic><topic>Biological and medical sciences</topic><topic>EEG</topic><topic>electroencephalogram</topic><topic>Electroencephalography</topic><topic>Evoked Potentials - physiology</topic><topic>Female</topic><topic>Fourier Analysis</topic><topic>Humans</topic><topic>Limbic System - physiopathology</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Neural Pathways - physiopathology</topic><topic>Obsessive-compulsive disorder</topic><topic>Obsessive-Compulsive Disorder - diagnosis</topic><topic>Obsessive-Compulsive Disorder - physiopathology</topic><topic>Obsessive-Compulsive Disorder - psychology</topic><topic>Obsessive-compulsive disorders</topic><topic>olfactory stimulation</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychopathology. Psychiatry</topic><topic>Signal Processing, Computer-Assisted</topic><topic>Smell - physiology</topic><topic>spectral analysis</topic><topic>temporal lobe</topic><topic>Temporal Lobe - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Locatelli, Marco</creatorcontrib><creatorcontrib>Bellodi, Laura</creatorcontrib><creatorcontrib>Grassi, Barbara</creatorcontrib><creatorcontrib>Scarone, Silvio</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>MEDLINE - Academic</collection><jtitle>Biological psychiatry (1969)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Locatelli, Marco</au><au>Bellodi, Laura</au><au>Grassi, Barbara</au><au>Scarone, Silvio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>EEG power modifications in obsessive-compulsive disorder during olfactory stimulation</atitle><jtitle>Biological psychiatry (1969)</jtitle><addtitle>Biol Psychiatry</addtitle><date>1996-03-01</date><risdate>1996</risdate><volume>39</volume><issue>5</issue><spage>326</spage><epage>331</epage><pages>326-331</pages><issn>0006-3223</issn><eissn>1873-2402</eissn><coden>BIPCBF</coden><abstract>Temporal lobe electroencephalogram (EEG) activity was quantitatively analyzed in obsessive-compulsive disorder (OCD) when subjects are at rest and during a temporal lobe activating procedure, i.e., olfactory stimulation. At rest with eyes closed, delta-1 and alpha-2 power differences were evident in OCD patients as compared with normal controls. During olfactory stimulation, differences between the patient and normal groups were detectable in the slower beta frequencies: Normal subjects showed a power increase, whereas OCD patients showed no modification or a slight decrease. Our results support previous findings of temporal lobe EEG abnormalities in OCD patients with an abnormal pattern of response to a temporal lobe activating procedure.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>8704063</pmid><doi>10.1016/0006-3223(95)00172-7</doi><tpages>6</tpages></addata></record> |
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subjects | Adult Adult and adolescent clinical studies Anxiety disorders. Neuroses Arousal - physiology Beta Rhythm Biological and medical sciences EEG electroencephalogram Electroencephalography Evoked Potentials - physiology Female Fourier Analysis Humans Limbic System - physiopathology Male Medical sciences Middle Aged Neural Pathways - physiopathology Obsessive-compulsive disorder Obsessive-Compulsive Disorder - diagnosis Obsessive-Compulsive Disorder - physiopathology Obsessive-Compulsive Disorder - psychology Obsessive-compulsive disorders olfactory stimulation Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Signal Processing, Computer-Assisted Smell - physiology spectral analysis temporal lobe Temporal Lobe - physiopathology |
title | EEG power modifications in obsessive-compulsive disorder during olfactory stimulation |
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