Thomas Fournier

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Virtual reality can be used to provide phobic clients with therapeutic exposure to phobogenic stimuli. However, purpose-built therapeutic VR hardware and software can be expensive and difficult to adapt to individual client needs. In this study, inexpensive and readily adaptable PC computer games were used to provide exposure therapy to 13 phobic(More)
The aim of this study is to assess if changes in dysfunctional beliefs and self-efficacy precede changes in panic apprehension in the treatment of panic disorder with agoraphobia. Subjects participated in a larger study comparing the effectiveness of cognitive restructuring and exposure. Four variables were measured: (a) the strength of each subject's main(More)
MOTIVATION Regulatory gene networks contain generic modules such as feedback loops that are essential for the regulation of many biological functions. The study of the stochastic mechanisms of gene regulation is instrumental for the understanding of how cells maintain their expression at levels commensurate with their biological role, as well as to engineer(More)
—InSAR has been successfully used to observe the deformation of the Earth's surface from many processes, but mostly dealing with relatively large signals (> 1 cm) over short wavelengths (< 100 km). We use interferometric synthetic aperture radar (InSAR) data from two orbital tracks in northern Chile to study the feasibility of imaging the broad interseismic(More)
Regulatory gene networks contain generic modules, like those involving feedback loops, which are essential for the regulation of many biological functions (Guido et al. in Nature 439:856-860, 2006). We consider a class of self-regulated genes which are the building blocks of many regulatory gene networks, and study the steady-state distribution of the(More)
Our study aims to define isotopic and anatomical responses to fires of P. halepensis . Main results: decrease in tree growth and relative conductivity and increase in water use efficiency. We investigated the ecophysiological responses of a Pinus halepensis Mill. stand surviving two wildfires in southern France. Basal area, isotope composition and(More)
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