In pictures: virtual reality therapy

Doctor Eric Malbos has been using VR therapy sessions called 'CtrlStress' at the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia.
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French patient Denis Duet wearing a virtual reality (VR) headset undergoes a VR therapy session called 'CtrlStress' at the laboratory of the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille on January 26, 2016. Since 2012, Doctor Eric Malbos has been using virtual reality sessions at the institute as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia. (AFP/Getty Images)
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French patient Denis Duet wearing a virtual reality (VR) headset undergoes a VR therapy session called 'CtrlStress' at the laboratory of the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille on January 26, 2016. Since 2012, Doctor Eric Malbos has been using virtual reality sessions at the institute as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia. (AFP/Getty Images)
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French patient Denis Duet wearing a virtual reality (VR) headset undergoes a VR therapy session called 'CtrlStress' at the laboratory of the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille on January 26, 2016. Since 2012, Doctor Eric Malbos has been using virtual reality sessions at the institute as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia. (AFP/Getty Images)
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French patient Denis Duet wearing a virtual reality (VR) headset undergoes a VR therapy session called 'CtrlStress' at the laboratory of the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille on January 26, 2016. Since 2012, Doctor Eric Malbos has been using virtual reality sessions at the institute as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia. (AFP/Getty Images)
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French patient Denis Duet wearing a virtual reality (VR) headset undergoes a VR therapy session called 'CtrlStress' at the laboratory of the Institut des Sciences du Mouvement (The Institute of Movement Sciences) in Marseille on January 26, 2016. Since 2012, Doctor Eric Malbos has been using virtual reality sessions at the institute as a form of treatment for patients suffering from phobias like claustrophobia and acrophobia. (AFP/Getty Images)