Embodiment Evaluation for Tools of Virtual Reality Technology : A Trial Evaluation by Measuring Hemodynamic Change in the Brain

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  • バーチャルリアリティ技術を用いた道具に関する身体性評価 : 脳内血流変化からの評価(「BMI/BCI時代の心理学とVR」特集)
  • バーチャルリアリティ技術を用いた道具に関する身体性評価--脳内血流変化からの評価
  • バーチャル リアリティ ギジュツ オ モチイタ ドウグ ニ カンスル シンタイセイ ヒョウカ ノウナイ ケツリュウ ヘンカ カラノ ヒョウカ

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Abstract

We investigated how hemodynamics in the brain behave using NIRS (Near Infrared Spectroscopy) while man using tool. The tools in our experiment were a pair of real scissors and virtual reality scissors. Such a virtual reality technology allows amount of feedback information to change. We tested with five male-subjects, right-handed. The results showed that when amount of feedback information, which was generated during cutting, was richer, the hemodynamics change of oxygenated hemoglobin was greater in prefrontal area of left hemisphere. This observation means that it is necessary to process integration of motor and sensory information during operation with tool in order to feel "reality".

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