JP2002119511A5 - - Google Patents

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JP2002119511A5
JP2002119511A5 JP2000318237A JP2000318237A JP2002119511A5 JP 2002119511 A5 JP2002119511 A5 JP 2002119511A5 JP 2000318237 A JP2000318237 A JP 2000318237A JP 2000318237 A JP2000318237 A JP 2000318237A JP 2002119511 A5 JP2002119511 A5 JP 2002119511A5
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light
display device
subject
transmitted light
data processing
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JP2000318237A
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JP2002119511A (en
JP4154850B2 (en
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Publication of JP2002119511A5 publication Critical patent/JP2002119511A5/ja
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Claims (6)

被検体頭部に光を照射する光照射手段と、
前記被検体頭部内部を透過した透過光を検出する光検出手段と、
前記光検出手段で検出された前記透過光の強度から、前記被検体頭部の血液量を演算するデータ処理装置と、
前記データ処理装置の処理結果を表示する表示手段とを有し、
前記データ処理装置は、前記光検出手段による計測データと、前記計測データの時間的な変動に対するフィッティング関数との差をＤｓとし、安静期間におけるＤｓの自乗平均値と、前記被検体の脳機能を活動させるタスク期間におけるＤｓの自乗平均値との比を所定の閾値と比較し、前記血液量変化の有無を判定することを特徴とする意思表示装置。A light irradiation means for irradiating the subject's head with light;
Light detecting means for detecting transmitted light transmitted through the inside of the subject head;
A data processing device for calculating the blood volume of the subject's head from the intensity of the transmitted light detected by the light detection means;
Display means for displaying a processing result of the data processing device;
The data processing apparatus uses Ds as a difference between measurement data obtained by the light detection means and a fitting function with respect to temporal variation of the measurement data, and calculates a mean square value of Ds during a rest period and a brain function of the subject. A intention display device characterized by comparing the ratio of the squared mean value of Ds during a task period to be activated with a predetermined threshold value to determine the presence or absence of the blood volume change. 被検体頭部に光を照射する光照射手段と、前記被検体頭部内部を透過した透過光を検出する光検出手段と、検出された前記透過光の強度のデータを処理するデータ処理装置と、該データ処理装置の処理結果を表示する表示手段とを有し、前記データ処理装置は、安静期間に検出された前記透過光の強度と、前記被検体の意識的な脳機能活動により脳を活動させた期間であるタスク期間に検出された前記透過光の強度とを比較して、前記タスク期間での脳血液量の変化を分類し、分類結果が、前記被検体の意識として前記表示装置に表示されることを特徴とする意思表示装置。  A light irradiating means for irradiating the subject's head with light, a light detecting means for detecting the transmitted light transmitted through the subject's head, and a data processing device for processing data of the intensity of the detected transmitted light; Display means for displaying a processing result of the data processing device, and the data processing device displays the brain by the intensity of the transmitted light detected during a rest period and the conscious brain functional activity of the subject. Compared with the intensity of the transmitted light detected during the task period, which is an active period, classifies changes in the cerebral blood volume during the task period, and the classification result is used as the consciousness of the subject as the display device An intention display device characterized by being displayed on the screen. 請求項２に記載の意思表示装置に於いて、前記データ処理装置は、前記脳血液量の変化を３種類に分類することを特徴とする意思表示装置。  The intention display device according to claim 2, wherein the data processing device classifies the change in the cerebral blood volume into three types. 請求項２に記載の意思表示装置に於いて、前記分類結果を音ととして出力する手段を有することを特徴とする意思表示装置。  3. The intention display apparatus according to claim 2, further comprising means for outputting the classification result as a sound. 請求項２に記載の意思表示装置に於いて、前記透過光の検出開始時点、前記透過光の終了開始時点、タスク期間の開始時点、タスク期間の終了時点が、前記表示装置に表示されることを特徴とする意思表示装置。  3. The intention display device according to claim 2, wherein the transmitted light detection start time, the transmitted light end start time, the task period start time, and the task period end time are displayed on the display device. An intention display device characterized by 請求項２に記載の意思表示装置に於いて、前記透過光の検出開始時点、前記透過光の終了開始時点、タスク期間の開始時点、タスク期間の終了時点を、音として出力する手段を有することを特徴とする意思表示装置。  3. The intention display device according to claim 2, further comprising means for outputting, as sound, a detection start time of the transmitted light, an end start time of the transmitted light, a start time of the task period, and an end time of the task period. An intention display device characterized by
JP2000318237A 2000-10-13 2000-10-13 Intention display apparatus and intention display method. Expired - Fee Related JP4154850B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000318237A JP4154850B2 (en) 2000-10-13 2000-10-13 Intention display apparatus and intention display method.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000318237A JP4154850B2 (en) 2000-10-13 2000-10-13 Intention display apparatus and intention display method.

Publications (3)

Publication Number Publication Date
JP2002119511A JP2002119511A (en) 2002-04-23
JP2002119511A5 true JP2002119511A5 (en) 2005-10-13
JP4154850B2 JP4154850B2 (en) 2008-09-24

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JP2000318237A Expired - Fee Related JP4154850B2 (en) 2000-10-13 2000-10-13 Intention display apparatus and intention display method.

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7516021B2 (en) * 2004-06-14 2009-04-07 Hitachi Medical Corp. Optical system for measuring metabolism in a body, method and program
JP2008521021A (en) * 2004-11-02 2008-06-19 カスタム ラブ ソフトウェア システムズ， インコーポレイティッド Auxiliary communication device
JP4991431B2 (en) 2007-07-31 2012-08-01 株式会社日立製作所 External environment control device based on brain function measurement
JP5140796B2 (en) * 2007-12-18 2013-02-13 株式会社国際電気通信基礎技術研究所 Brain dysfunction prediction device
JP5792437B2 (en) * 2010-07-26 2015-10-14 株式会社 清原光学 Brain activity measurement device
TW201236646A (en) * 2011-03-15 2012-09-16 Ming-Da Wu Method for allocating positive answer zone and negative answer zone of cerebral cortex
JP7019139B2 (en) * 2017-03-23 2022-02-15 国立大学法人東北大学 Information processing equipment, information processing method, information processing program

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