Chapter title |
New Method of Analyzing NIRS Data from Prefrontal Cortex at Rest.
|
---|---|
Chapter number | 52 |
Book title |
Oxygen Transport to Tissue XXXV
|
Published in |
Advances in experimental medicine and biology, July 2013
|
DOI | 10.1007/978-1-4614-7411-1_52 |
Pubmed ID | |
Book ISBNs |
978-1-4614-7256-8, 978-1-4614-7411-1
|
Authors |
Ishikawa W, Sato M, Fukuda Y, Matsumoto T, Takemura N, Tsujii T, Sakatani K, Wakana Ishikawa, Masakaze Sato, Yukikatsu Fukuda, Takashi Matsumoto, Naohiro Takemura, Takeo Tsujii, Kaoru Sakatani |
Editors |
Sabine Van Huffel, Gunnar Naulaers, Alexander Caicedo, Duane F. Bruley, David K. Harrison |
Abstract |
The aim of this study was to develop a simple technique for objective assessment of mental stress levels by measuring hemoglobin concentration changes in the bilateral prefrontal cortex (PFC) at rest, employing two-channel near-infrared spectroscopy (NIRS). Each subject was instructed to think about nothing in particular for 3 min and then to complete the State-Trait Anxiety Inventory (STAI) test. Next, NIRS measurements were taken and the left/right asymmetry of PFC activity at rest was evaluated by calculating the proposed Laterality Index at Rest (LIR). There was a significant positive correlation between the LIR and STAI score in 39 subjects. The present method allowed evaluation of mental stress level from NIRS data in the PFC at rest. |
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