Test–retest reliability of a functional MRI anticipatory anxiety paradigm in healthy volunteers
نویسندگان
چکیده
منابع مشابه
A functional anatomy of anticipatory anxiety.
Anticipatory anxiety is a complex combination of a future-oriented cognitive state, negative affect, and autonomic arousal. A dual-task paradigm of anticipation of electric shocks and a motor-learning task was used to examine the changes in neural patterns of activation associated with modulation of the cognitive state in anxiety by a distracting motor task. We used positron emission tomography...
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OBJECTIVE Repeated functional magnetic resonance imaging (fMRI) studies of schizophrenic subjects may identify brain activity changes in response to interventions. To interpret the findings, however, it is crucial to know the test-retest reliability of the measures used. METHOD The authors scanned seven normal subjects and seven schizophrenic subjects on two occasions during performance of a ...
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Complementary medicines are being increasingly considered as potential anxiolytics. Homeopathy is one of the old complementary/alternative therapies that is suggested as a cost-effective way to reduce anxiety. Several clinical trials have shown homeopathy superior to placebo however some others have demonstrated that it has similar effects to conventional treatments. Nevertheless the database o...
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ژورنال
عنوان ژورنال: Journal of Magnetic Resonance Imaging
سال: 2008
ISSN: 1053-1807,1522-2586
DOI: 10.1002/jmri.21237