CN111227849B - Attention assessment system and method based on VR - Google Patents
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Abstract
The invention discloses an attention assessment system based on VR, which comprises an induction and relaxation module, a questionnaire module, a data processing module and a reporting module; the induction and relaxation module is connected with the questionnaire module, the questionnaire module is connected with the data processing module, and the data processing module is connected with the report module; the invention also discloses an attention assessment method based on VR, which takes a questionnaire part as a core, adds a relaxation part in front of the questionnaire part, adds a data calculation part behind the relaxation part, and also introduces a brain-computer interface head ring, VR glasses and an eye movement instrument, and also electronizes the questionnaire, can flexibly configure the difficulty of the examination paper, automatically judges the questionnaire, greatly improves the efficiency of doctors and reduces the workload; firstly, the testee is relaxed, so that the interference can be reduced, and the evaluation data is more accurate; the attention level data obtained by the four-dimensional questionnaire are more comprehensive and detailed.
Description
Technical Field
The invention particularly relates to an attention evaluation system and an attention evaluation method based on VR.
Background
Nowadays, hyperkinetic syndrome and autism of children are very numerous. These problems affect the mental health and intelligence development of children, lead to bad learning and poor performance, and lead to various kinds of egg stirring and smashing in schools and society. Attention training systems are an effective way to boost the attention and concentration of children. The attention of the children is improved, the problem of multi-movement can be solved, the concentration degree is improved, the spirit is concentrated on one thing, and learning and skills can be completed. Before the attention training, attention evaluation is usually required, and then targeted training is performed according to the evaluation result, so that the attention training effect is improved.
Currently, the hospital makes attention (concentration) assessment and judgment using questionnaires. The scores of different rolls show that the attention is problematic, and the total score can know the attention degree. However, by adopting the scheme, some testees are stressed in the face of test paper, and the tested data has larger error. The attention deficit cannot be known in detail, a targeted treatment scheme cannot be generated, and the system cannot be refined only by the score of the questionnaire and incomplete information.
Disclosure of Invention
In view of the above, to overcome the defects in the prior art, the present invention provides an attention evaluation system and an attention evaluation method based on VR.
In order to achieve the purpose, the invention provides the following technical scheme:
a VR-based attention assessment system comprises an inducing and relaxing module, a questionnaire module, a data processing module and a reporting module; the induction and relaxation module is connected with the questionnaire module, the questionnaire module is connected with the data processing module, and the data processing module is connected with the report module;
the inducing and relaxing module adopts the following equipment: eye movement instruments, VR glasses, earphones; VR glasses play VR scenes, an eye movement instrument can collect eye movement data of a tested person and conduct attention induction, and earphones play brain wave music to enable the tested person to relax;
the questionnaire module comprises four electronic test papers, the conditions of four dimensions of attention are respectively tested to obtain the scores and the completion time of the test papers, and simultaneously brain-computer interface head loops are adopted to collect electroencephalogram data of a testee in the completion process of each test paper in real time;
the data processing module processes the score, the completion duration and the electroencephalogram data of the test paper to generate an evaluation result, so that the attention level of the testee is obtained;
the report module generates and manages reports, which are generated during the evaluation phase.
An attention assessment method based on VR, which adopts the above mentioned attention assessment system, comprising the following steps:
(1) the inducing and relaxing module adopts VR glasses, an eye movement instrument and an earphone to relax the testee, and the testee enters the questionnaire module after the relaxation lasts for 2 minutes;
(2) the questionnaire module enables a testee to finish four electronic test papers on a computer in sequence, each test paper is finished within 3 minutes, so that the fraction and the finishing time of the test paper are obtained, and a brain-computer interface head ring is adopted to acquire real-time electroencephalogram data of the testee in the finishing process of each test paper in the process of finishing the test paper by the testee; the questionnaire module transmits the score of the test paper, the completion duration and the real-time electroencephalogram data of the testee to the data processing module;
(3) the data processing module processes the received data, namely comprehensively converts the score of the test paper, the completion time and the real-time electroencephalogram data to generate an evaluation result, so as to obtain the attention level of the testee; the data processing module transmits the evaluation result data of the testee to the reporting module;
(4) the reporting module generates an assessment report.
Further, in the step (1), VR glasses play VR scenes, wherein the VR scenes comprise supermarkets, forests, oceans, starry sky and outer space.
Further, in the step (1), the earphone plays Alpha brain wave music to relax the testee.
Further, in the step (2), the four electronic test papers are classified according to four dimensions of attention, namely, the breadth test paper, the stability test paper, the transfer test paper and the distribution test paper.
Further, in the step (2), in the process that the test paper is finished by the testee, the eye movement data of the testee is collected by adopting an eye movement instrument.
The invention has the beneficial effects that:
(1) the four questionnaires are electronized, and VR, brain wave music and an eye movement instrument are used for relaxation guidance; and in the later stage, an electronic questionnaire is used for evaluation, an electroencephalogram head ring is used for collecting real-time attention values to assist questionnaire evaluation, and quantitative data are added.
(2) The invention takes the questionnaire part as the core, adds the relaxation part in front of the questionnaire part, adds the later data calculation part behind the questionnaire part, introduces a brain-computer interface head ring, VR glasses and an eye movement instrument, electronizes the questionnaire, can flexibly configure the difficulty of the examination paper, judges the paper automatically, greatly improves the efficiency of doctors and reduces the workload. Firstly, the testee is relaxed, so that the interference can be reduced, and the evaluation data is more accurate; the attention level data obtained by the four-dimensional questionnaire are more comprehensive and detailed. The electroencephalogram data are acquired in the whole process and compounded with the four-dimensional questionnaire, so that the acquired data are more precise, and the process change data can be known. The introduction of the electroencephalogram data can also obtain detailed data such as total attention, explosive power, persistence and the like.
(3) The invention has the advantages of automatic computer processing in the whole process and simpler and more convenient use.
Drawings
FIG. 1 is a schematic diagram of an attention-assessment system of the present invention.
FIG. 2 is a flow chart of the attention estimation method of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, and it should be noted that the detailed description is only for describing the present invention, and should not be construed as limiting the present invention.
As shown in FIG. 1, the present invention provides a VR-based attention assessment system, including an inducement and relaxation module, a questionnaire module, a data processing module, a reporting module; the induction and relaxation module is connected with the questionnaire module, the questionnaire module is connected with the data processing module, and the data processing module is connected with the report module.
In some preferred modes, the inducing and relaxing module employs: eye movement instrument, VR glasses, earphone. VR glasses play VR scenes, the VR scenes comprise supermarkets, forests, starry sky, outer space, space capsules, ancient ways, oceans and the like, and the scenes such as the outer space, the forests and the like are an induction, so that a testee can be placed in the nature, the body can be relaxed, and the attention can be focused. The eye tracker collects eye movement data of a testee, and guides the testee to concentrate on attention to acquire the attention data by watching whether the testee watches objects in a scene or not. The earphone plays brain wave music to relax the testee, and after lasting for 2 minutes, the second link is carried out: and a questionnaire module.
In some preferred modes, the earphone plays Alpha brain wave music, which belongs to a kind of brain wave music. The music is about 8-14 Hz, 60-70 beats per minute, can bring people into an alpha brain wave state, can be used for developing brains, exciting potential and coordinating body and mind, is one of four basic brain waves, the human body potential exists in the right half brain of a human body, and the active brain wave of the right brain is in an alpha wave state; alpha brain wave music keeps the brain in an alpha wave active state. When the brain neurotransmitter, the naffibula peptide is increased, people can be full of vigorous energy; doing things will be in a highly concentrated state; a person in an alpha brain wave state for a long time is easy to be harmonious with the person.
In some preferred modes, the questionnaire module comprises four electronic test papers, the four electronic test papers respectively test the condition of four aspects of attention (or test the condition of four dimensions of attention), each test paper is completed within 3 minutes, the test paper is completed on a computer to obtain the score of the test paper, meanwhile, a brain-computer interface head loop is adopted to collect the electroencephalogram data of the testee in the completion process of each test paper in real time, and in some preferred modes, an eye movement instrument can be simultaneously adopted to collect the eye movement data of the testee in the completion process of the test paper of the testee. The questionnaire module can transmit the score, completion duration, electroencephalogram data and eye movement data of the test paper to the data processing module.
In some preferred modes, the four dimensions of attention are respectively breadth, stability, transfer and distribution, and therefore, the four electronic test papers are respectively breadth test paper, stability test paper, transfer test paper and distribution test paper which are respectively used for testing the condition of the four dimensions of attention of the testee.
In some preferred modes, the data processing module performs comprehensive conversion on the test paper score, the completion duration, the electroencephalogram data and the eye movement data to generate an evaluation result, so as to obtain the attention level of the testee.
In some preferred modes, the data processing module transmits the evaluation result data of the testee to the reporting module, the reporting module generates and manages reports, and the evaluation stage generates evaluation reports. Reports are stored in a database and support real-time printing and post-event queries and reviews. The report can be used to quantitatively guide the subsequent attention training process.
An attention assessment method based on VR, which adopts the above mentioned attention assessment system, includes the following steps:
(1) the inducing and relaxing module adopts VR glasses, an eye movement instrument and an earphone to relax the testee, and the testee enters the questionnaire module after the relaxation lasts for 2 minutes;
(2) the questionnaire module enables a testee to finish four electronic test papers on a computer in sequence, each test paper is finished within 3 minutes, so that the fraction and the finishing time of the test paper are obtained, and a brain-computer interface head ring is adopted to acquire real-time electroencephalogram data of the testee in the finishing process of each test paper in the process of finishing the questionnaire by the testee; the questionnaire module transmits the score of the test paper, the completion duration and the real-time electroencephalogram data of the testee to the data processing module;
(3) the data processing module processes the received data, namely comprehensively converts the score of the test paper, the completion time and the real-time electroencephalogram data to generate an evaluation result, so as to obtain the attention level of the testee; the data processing module transmits the evaluation result data of the testee to the reporting module; specifically, attention data are obtained according to the fraction of a test paper, the completion duration and real-time electroencephalogram data, the attention data are in direct proportion to the fraction of the test paper, in inverse proportion to the completion duration and in direct proportion to the regularity of electroencephalogram, and then the attention grade is obtained through calculation according to the following formula;
initial score ═ weight 1+ test paper 1 attention data × (test paper 2 score × weight 2+ test paper 2 attention data × weight 12) + (test paper 3 score × weight 3+ test paper 3 attention data × + weight 13) + (test paper 4 score × weight 4+ test paper 4 attention data × (weight 14), where test paper 1, test paper 2, test paper 3, test paper 4 correspond to the wide test paper, stability test paper, diversion test paper, distribution test paper, weight 1, weight 2, weight 3, weight 4 are the weights of test paper 1, test paper 2, test paper 3, test paper 4, weight 11, weight 12, weight 13, weight 14 are the paper 1 attention data, test paper 2 attention data, test paper 3 attention data, test paper 4, respectively;
the initial score is divided into 5 levels, corresponding to 5 difficulty levels, i.e., 5 attention levels, respectively.
(4) The reporting module generates an assessment report.
In some preferred manners, in step (2), during the process of completing the test paper by the subject, the eye movement data of the subject may be collected by using the eye tracker.
As shown in fig. 2, the specific evaluation flow includes the following steps:
(1) starting a system and initializing all equipment;
(2) the induction and relaxation module plays brain wave music;
(3) playing VR scene 1, and collecting eye movement data by an eye movement instrument;
(4) playing VR scene 2; the eye movement instrument collects eye movement data;
(5) playing prompt information, namely telling the testee how to operate;
(6) the questionnaire module wakes up the brain-computer interface head ring, namely starts the brain-computer interface head ring and starts to collect data;
(7) the questionnaire module displays a stability questionnaire;
(8) displaying an extent questionnaire;
(9) displaying a transfer questionnaire;
(10) displaying an assignment questionnaire;
(11) the data processing module calculates data;
(12) storing the data;
(13) the report module displays a report;
(14) all equipment is shut down;
(15) and (6) ending.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (4)
1. An attention assessment method based on VR is characterized in that the assessment method adopts the following attention assessment system,
the attention assessment system comprises an inducing and relaxing module, a questionnaire module, a data processing module and a reporting module; the induction and relaxation module is connected with the questionnaire module, the questionnaire module is connected with the data processing module, and the data processing module is connected with the report module;
the inducing and relaxing module adopts the following equipment: eye movement instruments, VR glasses, earphones; VR glasses play VR scenes, an eye movement instrument can collect eye movement data of a tested person and conduct attention induction, and earphones play brain wave music to enable the tested person to relax;
the questionnaire module comprises four electronic test papers, the conditions of four dimensions of attention are respectively tested to obtain the scores and the completion time of the test papers, and simultaneously brain-computer interface head loops are adopted to collect electroencephalogram data of a testee in the completion process of each test paper in real time;
the data processing module processes the score, the completion duration and the electroencephalogram data of the test paper to generate an evaluation result, so that the attention level of the testee is obtained;
the report module generates and manages a report, and an evaluation report is generated in an evaluation stage;
the evaluation method comprises the following steps:
(1) the inducing and relaxing module adopts VR glasses, an eye movement instrument and an earphone to relax the testee, and the testee enters the questionnaire module after the relaxation lasts for 2 minutes;
(2) the questionnaire module enables a testee to finish four electronic test papers on a computer in sequence, each electronic test paper is finished within 3 minutes to obtain the score and the finishing time of the test paper, and a brain-computer interface head ring is adopted to acquire real-time electroencephalogram data of the testee in the finishing process of each test paper in the process that the testee finishes the test paper; the questionnaire module transmits the score of the test paper, the completion duration and the real-time electroencephalogram data of the testee to the data processing module;
(3) the data processing module processes the received data, namely comprehensively converts the score of the test paper, the completion time and the real-time electroencephalogram data to generate an evaluation result, so as to obtain the attention level of the testee; the data processing module transmits the evaluation result data of the testee to the reporting module;
specifically, attention data are obtained according to the score of a test paper, the completion duration and real-time electroencephalogram data, and then the attention grade is obtained through calculation according to the following formula;
initial score ═ weight 1+ test paper 1 attention data × (test paper 2 score × weight 2+ test paper 2 attention data × weight 12) + (test paper 3 score × weight 3+ test paper 3 attention data × + weight 13) + (test paper 4 score × weight 4+ test paper 4 attention data × (weight 14), where test paper 1, test paper 2, test paper 3, test paper 4 correspond to the wide test paper, stability test paper, diversion test paper, distribution test paper, weight 1, weight 2, weight 3, weight 4 are the weights of test paper 1, test paper 2, test paper 3, test paper 4, weight 11, weight 12, weight 13, weight 14 are the paper 1 attention data, test paper 2 attention data, test paper 3 attention data, test paper 4, respectively;
dividing the initial score into 5 grades, and respectively corresponding to 5 difficulties, namely 5 attention grades;
(4) the report module generates an evaluation report;
in the step (2), the four electronic test papers are classified according to four dimensions of attention, namely, an extent test paper, a stability test paper, a transfer test paper and an allocation test paper.
2. The VR-based attention assessment method of claim 1, wherein in step (1), VR glasses play VR scenes, and the VR scenes comprise supermarkets, forests, oceans, starry sky, and outer space.
3. The VR-based attention assessment method of claim 1, wherein in step (1), the headphones play Alpha brainwave music to relax the subject.
4. The VR-based attention assessment method of claim 1, wherein in step (2), the subject's eye movement data is collected by an eye tracker during the completion of the test paper.
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| CN114224364B (en) * | 2022-02-21 | 2022-05-17 | 深圳市心流科技有限公司 | Brain wave signal processing method and device for concentration training and storage medium |
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