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Tytuł pozycji:

Scalp- and sLORETA-derived loudness dependence of auditory evoked potentials (LDAEPs) in unmedicated depressed males and females and healthy controls

Tytuł :
Scalp- and sLORETA-derived loudness dependence of auditory evoked potentials (LDAEPs) in unmedicated depressed males and females and healthy controls
Autorzy :
JAWORSKA, Natalia
BLIER, Pierre
FUSEE, Wendy
KNOTT, Verner
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Temat :
Electrophysiologie
Electrophysiology
Electrofisiología
Neurotransmetteur
Neurotransmitter
Neurotransmisor
Système nerveux central
Central nervous system
Sistema nervioso central
Trouble de l'humeur
Mood disorder
Trastorno humor
Voie auditive
Auditory pathway
Vía auditiva
Cortex auditif
Auditory cortex
Corteza auditiva
Dépendance
Dependence
Dependencia
Electrodiagnostic
Electrodiagnosis
Electrodiagnóstico
Encéphale
Encephalon
Encéfalo
Etat dépressif
Depression
Estado depresivo
Personnalité
Personality
Personalidad
Potentiel évoqué auditif
Auditory evoked potential
Potencial evocado auditivo
Sexe
Sex
Sexo
Sonie
Loudness
Sérotonine
Serotonin
Serotonina
Tomographie
Tomography
Tomografía
Traitement
Treatment
Tratamiento
5-Hydroxytryptamine (5-HT)
Intensity/loudness dependence of the auditory evoked potential (IDAEP/LDAEP)
Sex differences
Standardized low-resolution brain electromagnetic tomography (sLORETA)
Sciences biologiques et medicales
Biological and medical sciences
Sciences medicales
Medical sciences
Psychopathologie. Psychiatrie
Psychopathology. Psychiatry
Etude clinique de l'adulte et de l'adolescent
Adult and adolescent clinical studies
Troubles de l'humeur
Mood disorders
Techniques d'exploration et de diagnostic (generalites)
Investigative techniques, diagnostic techniques (general aspects)
Electrodiagnostic. Enregistrement des activités électriques
Electrodiagnosis. Electric activity recording
Système nerveux
Nervous system
Psychologie. Psychanalyse. Psychiatrie
Psychology. Psychoanalysis. Psychiatry
PSYCHOPATHOLOGIE. PSYCHIATRIE
Neurology
Neurologie
Źródło :
Clinical neurophysiology. 123(9):1769-1778
Wydawca :
Oxford: Elsevier, 2012.
Rok publikacji :
2012
Opis fizyczny :
print; 10; 1 p.3/4
Materiał oryginalny :
INIST-CNRS
Typ dokumentu :
Article
Opis pliku :
text
Język :
English
Afiliacje autora :
University of Ottawa Institute of Mental Health Research, Ottawa, ON, Canada
Department of Psychiatry, University of Calgary, Calgary, AB, Canada
Department of Psychology, University of Ottawa, Ottawa, ON, Canada
Department of Psychiatry & Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
Department of Psychology/Behavioral Neuroscience, Carleton University, Ottawa, ON, Canada
ISSN :
1388-2457
Dostęp URL :
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=26254954
Prawa :
Copyright 2015 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Numer akcesji :
edsfra.26254954
Czasopismo naukowe
Objective: As major depressive disorder (MDD) is associated with altered 5-HT activity, we probed intensity-dependent auditory evoked potentials (AEPs) and loudness dependence of the AEP (LDAEP) slopes, shown pre-clinically to be inversely related to 5-HT activity, in MDD. Methods: AEPs and LDAEP slopes were measured in MDD (N= 50; 27 females) and controls (N = 43; 23 females). Correlations between scalp AEPs/LDAEPs and low-resolution electromagnetic tomography (sLORETA)-derived indices were assessed. Results: Smaller scalp intensity-dependent N1 and N1/P2 amplitudes in MDD versus control males and longer P2 latencies in MDD versus control females were found; no LDAEP group differences existed. Females had greater scalp AEPs, steeper N1 and N1/P2 scalp LDAEPs as well as greater intensity-dependent primary auditory cortex activation during the N1 than males. Scalp LDAEPs correlated weak-moderately with sLORETA counterparts. P2 LDAEP-sLORETA correlated negatively with MADRS scores. Female P2 and N1/P2 LDAEP-sLORETA correlated negatively with HAMD-17 and MADRS scores. Conclusions: MDD was not associated with altered LDAEPs. Impaired processing or potentiated inhibition of auditory stimuli was found in MDD males; longer processing existed in MDD females. Inverse relationships between LDAEPs and clinical scores may be related to treatment history, personality and/or MDD features. Significance: MDD was not associated with an altered LDAEP, though subtle AEPs alterations were noted in MDD.

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