12 research outputs found

    Stress and nausea during the experiment.

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    <p>Comparison of KAB stress symptom and nausea scores between participants with and without motion sickness during the parabolic flight experiment.</p><p>*p<0.01 and</p>#<p>p<0.005 when compared to participants without motion sickness. Data are mean±SD.</p>a<p>German Kurzfragebogen zur aktuellen Beanspruchung (short questionnaire of current stress; KAB) <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0010752#pone.0010752-Mueller1" target="_blank">[21]</a>.</p>b<p>Nausea was quantified on a verbal rating scale ranging from 1 =  no nausea to 6 =  maximal nausea.</p

    Comparison of leukocyte cannabinoid receptor mRNA between volunteers with and without motion sickness during the parabolic flight experiment.

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    <p>RNA was prepared from whole blood and subjected to quantitative RT-PCR (triplicate determinations). Data were calculated relative to GAPDH and RPL13A-mRNA using an efficiency-corrected algorithm. *indicates a significant decline in CB1-receptor mRNA (W = −26.0, T+ = 1.0, T- = −27.0, p = 0.03, Wilcoxon Signed Rank Test) in volunteers with motion sickness when compared to 24 h pre-flight values. CB1-receptor mRNA in individuals without motion sickness remained unchanged over time (W = −8.0, T+ = 10.0, T- = −18.0, p = 0.58) as was CB2-receptor expression before and after the experiment. Horizontal black bars in the boxplots indicate median values; upper and lower lines of the boxes show the 5<sup>th</sup> and 95<sup>th</sup> percentile.</p

    Whole blood endocannabinoid concentrations during a parabolic flight experiment in 21 male volunteers.

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    <p><i>Panel A</i> compares blood concentrations of the endocannabinoid anandamide between volunteers who developed motion sickness accompanied by severe N&V (n = 7, red lines) and those who did not (n = 14, blue lines). After the 10<sup>th</sup> parabolic maneuver (T1), anandamide blood concentrations dropped in individuals with motion sickness but increased in volunteers without (Mann-Whitney U Statistic  = 14.5, T = 42.5, *p = 0.02). After the 20<sup>th</sup> maneuver (T2), this difference remained significant (Mann-Whitney U Statistic  = 14.0, T = 42.0, *p = 0.01). <i>Panel B</i> shows the same comparison with regard to the endocannabinoid 2-AG. 2-AG values in volunteers with motion sickness remained almost constant and non-reactive but increased in individuals without. *indicates significantly higher 2-AG blood concentrations in individuals without motion sickness after termination of parabolic maneuvers (Mann-Whitney U Statistic = 0.0, T = 85.0, p = 0.04).</p

    Relationship between OLDA plasma concentrations and CAPS scores.

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    <p>Panel A: CAPS sum score (r = −0.68, p<0.01, n = 19); Panel B: CAPS – intrusion subscore (r = −0.65, p<0.01); Panel C: CAPS – avoidance subscore (r = −0.59, p<0.01); Panel D: CAPS – hyperarousal subscore (r = −0.66, p<0.01). Solid line indicates regression line and dotted lines 95% confidence intervals.</p

    Correlation between CAPS scores and PEA plasma levels in individuals after trauma exposure (n = 19).

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    <p>Panel A: CAPS sum score (r = 0.54, p = 0.02); Panel B: CAPS – intrusion subscore (r = 0.65, p<0.01); Panel C: CAPS – avoidance subscore (r = 0.21, p = 0.40); Panel D: CAPS - hyperarousal subscore (r = 0.29, p = 0.23). Solid line indicates regression line and dotted lines 95% confidence intervals.*marks significant correlations.</p
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