Article (Scientific journals)
Transcranial magnetic stimulation-evoked EEG/cortical potentials in physiological and pathological aging.
Casarotto, Silvia; Maatta, Sara; Herukka, Sanna-Kaisa et al.
2011In Neuroreport, 22 (12), p. 592-7
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Keywords :
Adult; Aged; Aging/physiology; Alzheimer Disease/physiopathology; Brain/physiology/physiopathology; Electroencephalography; Female; Humans; Male; Transcranial Magnetic Stimulation
Abstract :
[en] The frontal cortex undergoes macrostructural and microstructural changes across the lifespan. These changes can be entirely physiological, such as the ones occurring in elderly individuals who are cognitively intact, or pathological, such as the ones occurring in patients with Alzheimer's disease. Here, we use simultaneous electroencephalography (EEG) and transcranial magnetic stimulation (TMS) to study how the excitability of the frontal cortex changes during healthy and pathological aging. Hence, we compared the TMS-evoked EEG potentials collected in healthy elderly individuals with the ones collected in healthy young individuals, and in patients with Alzheimer's disease. We have shown that the EEG response to TMS of the left superior frontal cortex is not affected by physiological aging but is markedly altered by cognitive impairment.
Disciplines :
Neurology
Author, co-author :
Casarotto, Silvia
Maatta, Sara
Herukka, Sanna-Kaisa
Pigorini, Andrea
Napolitani, Martino
Gosseries, Olivia  ;  Université de Liège - ULiège > Coma Science Group, Centre de Recherches du Cyclotron ULiège & service de neurologie CHU de Liège
Niskanen, Eini
Kononen, Mervi
Mervaala, Esa
Rosanova, Mario
Soininen, Hilkka
Massimini, Marcello
Language :
English
Title :
Transcranial magnetic stimulation-evoked EEG/cortical potentials in physiological and pathological aging.
Publication date :
2011
Journal title :
Neuroreport
ISSN :
0959-4965
eISSN :
1473-558X
Publisher :
Lippincott Williams & Wilkins, London, United Kingdom
Volume :
22
Issue :
12
Pages :
592-7
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 January 2012

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