Brief vibrotactile stimulation does not increase cortical oxygen consumption when measured by single inhalation of positron emitting oxygen.

S Ohta; D C Reutens; A Gjedde

doi:10.1097/00004647-199903000-00003

Brief vibrotactile stimulation does not increase cortical oxygen consumption when measured by single inhalation of positron emitting oxygen.

S Ohta, D C Reutens, A Gjedde

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

13 Citationer (Scopus)

Abstract

Udgivelsesdato: 1999-Mar

Originalsprog	Engelsk
Tidsskrift	Journal of Cerebral Blood Flow and Metabolism
Vol/bind	19
Udgave nummer	3
Sider (fra-til)	260-5
Antal sider	5
ISSN	0271-678X
DOI	https://doi.org/10.1097/00004647-199903000-00003
Status	Udgivet - 1999
Udgivet eksternt	Ja

Adgang til dokumentet

10.1097/00004647-199903000-00003

Citationsformater

@article{1155bbd0b31511debc73000ea68e967b,

title = "Brief vibrotactile stimulation does not increase cortical oxygen consumption when measured by single inhalation of positron emitting oxygen.",

abstract = "Vibrotactile stimulation of the hand elicits no increase in oxygen consumption commensurate with the increase in blood flow measured in human sensory cortex. To test the hypothesis that previous failures to detect a proportionate increase in oxygen consumption could be an artefact of the sequential bolus, or three-step, method used to measure this parameter in the human brain in vivo, the authors compared the measurements with the results of a novel single bolus, or one-step, method of measuring oxygen consumption. The time of completion of the three-step method was 40 to 50 minutes, whereas the one-step method lasted only 3 minutes. The baseline whole-brain oxygen consumption averaged 185 +/- 32 micromol hg(-1) min(-1) by the three-step method and 153 +/- 15 micromol hg(-1) min(-1) by the one-step method. Vibrotactile stimulation did not elicit a significant increase in oxygen consumption measured by either method. This finding rejects the hypothesis that failure to detect an increase of oxygen consumption could be an artefact caused by limitations of the method used previously. Conversely, it also rejects the hypothesis that observations of an increase of oxygen consumption by the new method are artefacts caused by limitations of the one-step method.",

author = "S Ohta and Reutens, {D C} and A Gjedde",

year = "1999",

doi = "10.1097/00004647-199903000-00003",

language = "English",

volume = "19",

pages = "260--5",

journal = "Journal of Cerebral Blood Flow and Metabolism",

issn = "0271-678X",

publisher = "SAGE Publications",

number = "3",

}

TY - JOUR

T1 - Brief vibrotactile stimulation does not increase cortical oxygen consumption when measured by single inhalation of positron emitting oxygen.

AU - Ohta, S

AU - Reutens, D C

AU - Gjedde, A

PY - 1999

Y1 - 1999

N2 - Vibrotactile stimulation of the hand elicits no increase in oxygen consumption commensurate with the increase in blood flow measured in human sensory cortex. To test the hypothesis that previous failures to detect a proportionate increase in oxygen consumption could be an artefact of the sequential bolus, or three-step, method used to measure this parameter in the human brain in vivo, the authors compared the measurements with the results of a novel single bolus, or one-step, method of measuring oxygen consumption. The time of completion of the three-step method was 40 to 50 minutes, whereas the one-step method lasted only 3 minutes. The baseline whole-brain oxygen consumption averaged 185 +/- 32 micromol hg(-1) min(-1) by the three-step method and 153 +/- 15 micromol hg(-1) min(-1) by the one-step method. Vibrotactile stimulation did not elicit a significant increase in oxygen consumption measured by either method. This finding rejects the hypothesis that failure to detect an increase of oxygen consumption could be an artefact caused by limitations of the method used previously. Conversely, it also rejects the hypothesis that observations of an increase of oxygen consumption by the new method are artefacts caused by limitations of the one-step method.

AB - Vibrotactile stimulation of the hand elicits no increase in oxygen consumption commensurate with the increase in blood flow measured in human sensory cortex. To test the hypothesis that previous failures to detect a proportionate increase in oxygen consumption could be an artefact of the sequential bolus, or three-step, method used to measure this parameter in the human brain in vivo, the authors compared the measurements with the results of a novel single bolus, or one-step, method of measuring oxygen consumption. The time of completion of the three-step method was 40 to 50 minutes, whereas the one-step method lasted only 3 minutes. The baseline whole-brain oxygen consumption averaged 185 +/- 32 micromol hg(-1) min(-1) by the three-step method and 153 +/- 15 micromol hg(-1) min(-1) by the one-step method. Vibrotactile stimulation did not elicit a significant increase in oxygen consumption measured by either method. This finding rejects the hypothesis that failure to detect an increase of oxygen consumption could be an artefact caused by limitations of the method used previously. Conversely, it also rejects the hypothesis that observations of an increase of oxygen consumption by the new method are artefacts caused by limitations of the one-step method.

U2 - 10.1097/00004647-199903000-00003

DO - 10.1097/00004647-199903000-00003

M3 - Journal article

C2 - 10078877

SN - 0271-678X

VL - 19

SP - 260

EP - 265

JO - Journal of Cerebral Blood Flow and Metabolism

JF - Journal of Cerebral Blood Flow and Metabolism

IS - 3

ER -