National Institute of Information and Communications Technology, Incorporated

National Institute of Information and Communications Technology, Incorporated Administrative Agency

Hideo Eda

Takanori Maesako

Yasufumi Kuroda

Katsuo Sugai

Masayuki Hirata

Satoru Miyauchi

Toshiki Yoshimine

Sayaka Tanaka

Norio Fujimaki

Tomoe Hayakawa

Tsutomu Murata

Masahiko Matsuo

Takahito Baba

Yasushi Terazono

Akira Takatsuki

Masaaki Taniguchi

Toshio Yanagida

Amami Kato

An interface device in accordance with the present claimed invention is an interface devicethat intervenes between a measuring meansthat measures brain activities of a subject H and an objectto be controlled, and that comprises a reference signal storing part Dthat stores a brain activity signal measured at a time when the subject H conducts predetermined thinking different from direct thinking in order to control the objectto be controlled in a desired mode as a reference signal, a discriminating partthat compares the brain activity signal measured by the measuring meanswith the reference signal and discriminates whether or not the thinking of the subject H is the predetermined thinking, and a controlling partthat controls the objectto be controlled in the desired mode when the discriminating partdiscriminates that the thinking of the subject H is the predetermined thinking.

Interface device, interface method and control training device by the use of the interface device

A visual training deviceincluding: a screen arranged facing a subject H having visual impairment; a line of vision detection unit that detects a line of vision of the subject H and outputs line of vision signals indicating the line of vision; a visual field data storage unit that stores visual field data indicating the visible area ARand the area of visual impairment ARof the subject H; and a screen control unitthat, on the aforementioned screen, moves the visible area ARspecified based on the aforementioned visual field data in correspondence to the movement of the line of vision of the subject H specified by the aforementioned line of vision signals. The display format of the visible area ARor a region including the vicinity thereof, is displayed different from the display format of the other region. By doing this, an attitudinal barrier of the person with visual impairment, the subject, can be removed, and the visual training device can allow easy training to be provided.

Visual training device and visual training method

A body activity measurement device is provided with a light irradiation unit that irradiates near infrared light of a specified wavelength on a specified measurement site of a brain of a subject; a light detector that detects the intensity of the light exiting from the measurement site; a light absorbance data generator that from the time sequence changes of the intensity of the exiting light generates light absorbance time sequence data suggesting the changes in the concentration of oxyHb, deoxyHb and totalHb; and multiple baseline correction units that correct baselines that mutually differ in relation to the light absorbance time sequence data obtained when the subject performs specified assignments; and configured such that the baseline correction of the light absorbance time sequence data can be conducted using the baseline correction units corresponding to the assignment performed by the subject.

Body activity measurement device

In addition to irradiating examination light toward the inside of the bead of the subject and detecting the examination light reflected from the head: structural data indicating the head structure, wherein the head is divided into multiple materials and the various materials are further divided into multiple elements, are stored in a structural data storage unit set up in a specified region of memory; the optical properties of the aforementioned elements are calculated from a given specified initial value; the hemodynamics inside the brain of the subject are calculated based on the optical properties thereof, and the aforementioned initial values are taken to be the optical properties when the light intensity signal values, provisionally calculated from optical properties under the assumption that the optical properties are uniform for each of the aforementioned materials, are in a fixed range of the actually measured light intensity signal values.

Brain function measurement device, brain function measurement method, and brain function measurement program

A method for mapping higher brain function comprises an fMRI mapping step Sto map a brain function of the subject TP by fMRI, a head portion structural image acquisition step Sto acquire a head portion structural image IMGs by an MRI system in a state that a headgear HC having a marker is mounted on the head portion of the subject TP, a three-dimensional image combining step Sto create a three-dimensionally combined image IMGfs by combining the head portion structural image IMGs and the brain functional image IMGf obtained by the fMRI mapping step San optical probe mounting step Sto specify positions on the headgear HC where optical probes PRPRare mounted based on the three-dimensionally combined image IMGfs and to mount the optical probes PRPRat the specified positions and an NIRS measuring step Sto conduct the NIRS by a NIRS method in a state that the headgear HC loaded with the optical probes PRPRis mounted on the head portion of the subject TP.

Method for mapping higher brain function and headgear for mapping higher brain function

In order to offer a new and useful device in being able to objectively assess the psychological state when a subject performs an assignment, a psychological state assessment device is configured to irradiate a specified measurement site in the brain of a subject with near infrared light of a specified wavelength, to obtain time change data indicating time change data for the amount of blood and/or amount of blood components respectively while performing a task and while at rest, and to assess the psychological state of the subject while performing the assignment based on time change data during the rest period in comparison with time change data while performing the task.

Psychological state assessment device, psychological state assessment method

A deviceto measure a degree of acquisition is provided to present objective scientific data of an educational effect by applying brain science to an educational field. A deviceto measure a degree of acquisition comprises a measuring portionthat measures a blood amount or/and a blood component amount in a predetermined measuring region S of brains of a subject P, a diachronic change data producing portionthat obtains the blood amount or/and the blood component amount measured in the above-mentioned measuring portionchronologically and produces diachronic change data as data showing diachronic change of the blood amount or/and the blood component amount, and a waveform output portionthat outputs a waveform of the diachronic change data in each work in a comparable manner in case the subject P repeatedly conducts the predetermined work several times.

Device to measure degree of acquisition and method for measuring degree of acquisition

The present claimed invention intends to provide a simple and superior means that is possible to express a tendency or a characteristic of a learner as scientific data by making use of a fact that a blood amount or/and a blood component amount in a predetermined region of brains causes a characteristic change when a learner acquires strategy to solve a work during a process of solving the work and that is effective for developing a new educational method from the scientific data. In case a subject conducts a predetermined work, a blood amount or/and a blood component amount in a predetermined measuring region of brains of the subject is measured chronologically by the use of a near-infrared spectroscopy, time change data as data showing time change of the blood amount or/and the blood component amount is produced and a state of strategy acquisition to solve the work for the subject is determined based on the time change data.

Device for measuring strategy acquisition and method for measuring strategy acquisition

A method for processing magnetic resonance imaging image information is characterized by that a magnetic resonance spectral intensity value is measured at each of a plurality of measuring points that are arranged at predetermined intervals along a lengthwise direction, a crosswise direction and a height direction on an object to be measured and several kinds of magnetic resonance imaging image information as a set of the magnetic resonance spectral intensity values measured at the measuring point are obtained by a plurality of different spectral intensity measuring methods with respect to the object to be measured, a magnetic resonance spectral intensity value at the predetermined position is obtained directly or indirectly from a measured results of the magnetic resonance spectral intensity values that is included in the magnetic resonance imaging image information and the predetermined position is set to be identical for all of the several varieties of magnetic resonance imaging image information with respect to each of the magnetic resonance imaging image information, and new image information at the predetermined position is derived by linear calculation between the spectral intensity values.

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Tokyo, Japan

Hideo Eda