Theta power is reduced in healthy cognitive aging

Cummins, Tarrant D. R. and Finnigan, Simon (2007) Theta power is reduced in healthy cognitive aging. International Journal of Psychophysiology, 66 1: 10-17. doi:10.1016/j.ijpsycho.2007.05.008

Author Cummins, Tarrant D. R.
Finnigan, Simon
Title Theta power is reduced in healthy cognitive aging
Journal name International Journal of Psychophysiology   Check publisher's open access policy
ISSN 0167-8760
Publication date 2007-10
Sub-type Article (original research)
DOI 10.1016/j.ijpsycho.2007.05.008
Volume 66
Issue 1
Start page 10
End page 17
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier Science BV
Collection year 2008
Language eng
Subject C1
1701 Psychology
1116 Medical Physiology
Formatted abstract
The effects of healthy cognitive aging on electroencephalographic (EEG) theta (4.9-6.8 Hz) power were examined during performance of a modified Stemberg, S., 1966. High-speed scanning in human memory. Science 153, 652-654.) word recognition task. In a sample of fourteen young (mean age 21.9 years, range = 18-27) and fourteen older (mean age 68.4 years, range = 60-80) participants, theta power was foundto be significantly lower in older adults during both the retention and recognition intervals. This theta power difference was greatest at the fronto-central midline electrode and occurred in parallel with a small, non-significant decrease in recognition accuracy in the older sample. A significant decrease in older adults' mean theta power was also observed in resting EEG, however, it was of substantially smaller magnitude than the task-related theta difference. It is proposed that a neurophysiological measure(s), such as task-specific frontal midline theta (fmθ) power, may be a more sensitive marker of cognitive aging than task performance measures. Furthermore, as recent research indicates that fmθ is generated primarily in the anterior cingulate cortex, the current findings support evidence that the function of brain networks incorporating this structure may be affected in cognitive aging.
© 2007 Elsevier B.V. All rights reserved.
Keyword Psychology, Biological
Psychology, Experimental
Quantitative EEG
Cognitive aging
Anterior cingulate
Recognition memory
Frontal Midline-theta
Recognition memory
EEG Power
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: UQ Centre for Clinical Research Publications
2008 Higher Education Research Data Collection
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Citation counts: TR Web of Science Citation Count  Cited 41 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 44 times in Scopus Article | Citations
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Created: Mon, 18 Feb 2008, 15:18:04 EST