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  • 标题:ポリグラフ検査用呼吸トランスデューサの比較
  • 本地全文:下载
  • 作者:小川 時洋 ; 松田 いづみ ; 廣田 昭久
  • 期刊名称:日本法科学技術学会誌
  • 印刷版ISSN:1880-1323
  • 电子版ISSN:1881-4689
  • 出版年度:2012
  • 卷号:17
  • 期号:2
  • 页码:99-106
  • DOI:10.3408/jafst.17.99
  • 出版社:Japanese Association of Forensic Science and Technology
  • 摘要:

      The current study compared two types of transducers of respiratory movements used for psychophysiological recordings, evaluating their performance in capturing and reproducing variations in underlying respiratory movements. We examined a newly developed air-filled bellows-type transducer and compared its performance against the carbon-film transducer, which is currently used in polygraph examinations for criminal investigations in Japan. An experiment using a calibrator to control underlying movements revealed that the performance of the air-filled bellows-type transducer was superior to that of the carbon film-type transducer in capturing the morphology of respiratory waveforms as well as variations in their amplitude. A polygraph experiment ( n =19) demonstrated that the air-filled bellows-type transducer produced differences with larger effect sizes between critical and non-critical items in respiratory measures compared with the carbon-film type transducer. These results indicated that the air-filled type transducer exhibited superior performance for the recording of respiratory movements.

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