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Titolo:
EEG coherence in pathological conditions
Autore:
Leocani, L; Comi, G;
Indirizzi:
Univ Milan, Dept Clin Neurophysiol, Hosp San Raffaele, Inst Sci, I-20132 Milan, Italy Univ Milan Milan Italy I-20132 Raffaele, Inst Sci, I-20132 Milan, Italy
Titolo Testata:
JOURNAL OF CLINICAL NEUROPHYSIOLOGY
fascicolo: 6, volume: 16, anno: 1999,
pagine: 548 - 555
SICI:
0736-0258(199911)16:6<548:ECIPC>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCALP CURRENT-DENSITY; UNMEDICATED SCHIZOPHRENIC-PATIENTS; SUBCORTICAL METABOLIC-ACTIVITY; ARTIFACTUALLY HIGH COHERENCES; HUMAN CEREBRAL HEMISPHERES; ALZHEIMERS-DISEASE; CORPUS-CALLOSUM; WHITE-MATTER; SPLINE COMPUTATION; ELECTROENCEPHALOGRAPHIC COHERENCE;
Keywords:
electroencephalography; coherence; dementia; corpus callosum; development;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
90
Recensione:
Indirizzi per estratti:
Indirizzo: Comi, G Univ Milan, Dept Clin Neurophysiol, Hosp San Raffaele, Inst Sci, Via Olgettina 60, I-20132 Milan, Italy Univ Milan Via Olgettina 60 Milan Italy I-20132 0132 Milan, Italy
Citazione:
L. Leocani e G. Comi, "EEG coherence in pathological conditions", J CL NEURPH, 16(6), 1999, pp. 548-555

Abstract

Coherence analysis of the electroencephalogram is considered an indicator of functional cortico-cortical connections, which makes it suitable for theneurophysiologic investigation of brain connectivity in normal and pathological conditions. In the clinical environment, coherence analysis has been applied in the study of brain development and in the assessment of diseasespotentially involving brain connectivity, such as cortical and subcorticaldementia, schizophrenia, and corpus callosum lesions. Whereas coherence decrease, at least for the high-frequency bands, is considered the expressionof decreased functional cortico-cortical connections, more work needs to be performed in interpreting coherence increases. A special consideration isalso required by technical aspects, such as the recording conditions and the reference used, which may greatly influence the results and need to be accounted for when drawing physiopathological interpretations. Ar present, whereas coherence analysis resulted successful in differentiating patients groups from the normal population, the specificity of coherence changes in various pathological conditions is questionable at the best. The same limitsapply to the diagnostic value of the technique in individual patients.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 20:25:38