Deep and surface hemodynamic signal from functional time resolved transcranial near infrared spectroscopy compared to skin flowmotion

被引：40

作者：

Aletti, Federico ^{[1
]}

Re, Rebecca ^{[2
]}

Pace, Vincenzo ^{[1
]}

Contini, Davide ^{[2
]}

Molteni, Erika ^{[1
]}

Cerutti, Sergio ^{[1
]}

Bianchi, Anna Maria ^{[1
]}

Torricelli, Alessandro ^{[2
]}

Spinelli, Lorenzo ^{[3
]}

Cubeddu, Rinaldo ^{[2
]}

Baselli, Giuseppe ^{[1
]}

机构：

[1] Politecn Milan, Dipartimento Bioingn, IIT Unit, I-20133 Milan, Italy

[2] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[3] CNR, Ist Foton & Nanotecnol, Milan, Italy

来源：

COMPUTERS IN BIOLOGY AND MEDICINE | 2012年 / 42卷 / 03期

关键词：

Cardiovascular regulation; Vasomotion; Valsalva maneuver; Time-resolved functional near infrared spectroscopy; Laser Doppler flowmetry; Prefrontal cortex hemodynamic activation; DOPPLER PERFUSION SIGNAL; SPECTRAL-ANALYSIS; BLOOD-FLOW; IONTOPHORESIS; OSCILLATIONS; HYPEREMIA;

D O I：

10.1016/j.compbiomed.2011.06.001

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The potential disturbance in the prefrontal cortex hemodynamic signal measured by functional near infrared spectroscopy (NIRS), due to forehead skin flowmotion, detected by laser Doppler flowmetry, was investigated by a standard protocol of hemodynamic challenge by Valsalva maneuver, aimed at assessing and disentangling local regulatory responses in skin vasomotion and in cerebral perfusion in presence of a strong systemic drive, and to quantify the common information in the two signals. The deep cortical NIRS signal did not appear to be affected by surface vasomotor activity, and autoregulation dynamics were dominant with respect to autonomic control of circulation. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：282 / 289

页数：8

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