Human-subject test rehabilitation training system based on the dynamic tracer technique of eye
Technical field
The present invention relates to testing field, specially the human-subject test rehabilitation training system based on the dynamic tracer technique of eye.
Background technology
Eye is dynamic to be followed the trail of, refer to position or eyeball opposing headers by measuring the blinkpunkt of eyes motion and realize it is right
Oculomotor tracking.
The B of patent CN 101779960 disclose a kind of stimulus information cognition ability value test system and its method, wherein recognizing
Knowing the method for testing of ability includes the data of the eye-tracking stimulus information of collection measured, then to the cognitive index of measured
Value is analyzed.The method has following shortcoming:First the method cannot evaluate notice, memory, Visual search ability,
The specific cognitive ability such as computing capability, language ability;Secondly, the method is unable to quantitative analysis for specific cognitive ability;
Further, since the stimulation performance in daily life is not changeless, the cognition that our stimulations of the human eye to change is showed
Level is also different, at present, the test that the cognitive ability that stimulation is reflected changes for changing still is not based on both at home and abroad
System.Again, the method is only analyzed to cognitive ability, it is impossible to formula training is guided to cognitive ability.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of human-subject test rehabilitation training system based on the dynamic tracer technique of eye
System, can be with 5 cognition modules of quantitative analysis:Note, remember, visual search, calculating and read;It is capable of achieving targetedly, efficiently
Cognitive rehabilitative training.
To achieve these goals, the present invention uses following scheme:
A kind of human-subject test rehabilitation training system based on the dynamic tracer technique of eye, including Cognitive task is presented module, infrared ray eye
It is dynamic to follow the trail of component, eye movement data analysis module, test result feedback module and stimulate mark guiding module;
The Cognitive task is presented module is used to that notice task, visual search task, memory tasks, calculating to be presented to measured
Task and reading task;
The dynamic component of following the trail of of the infrared ray eye obtains measured according to the eye movement data obtained by Cognitive task presentation module in real time,
And send to the eye movement data analysis module;
The eye movement data analysis module use human eye vision dynamic analysing method, evaluation measured by do notice task,
Notice fraction, search fraction, memory point that visual search task, memory tasks, calculating task or reading task are reflected
Number, calculating fraction read fraction;And result is sent to the test result feedback module and stimulates mark guiding module;Its
Beneficial effect is one side feedback result, on the other hand, stimulates mark guiding module to be carried out targetedly according to test result
Guiding.
The test result feedback module is used to feed back its test result to measured;
The dynamic processing of eye for stimulating mark guiding module to be used to guide measured.
Notice task, memory tasks, visual search task, calculating task and reading task in the present invention refer to using not
Same visual stimulus design is belonging respectively to notice task, memory tasks, visual search task, calculating task and reading task
A series of combination of visual stimulus.
Notice task includes vigilance, attentional selection and notes keeping;Memory tasks include:Working memory(Space and thing
Body)And long-term memory(Space and object);Visual search task includes:Equality is searched for and serial search;Calculating task includes:Meter
Several, vertical calculating and application topic are calculated;Reading task includes:Word, sentence and paragraph.
Human eye vision dynamic analysing method is a kind of existing method, referring specifically to《Dynamic Visual Function Analysis of Human Eyes》One
Text, is published in《Shanghai University's journal natural science edition》One text.
Further, the dynamic component of following the trail of of the infrared ray eye includes power supply, infrared ray tracker, data transmission unit and control
Device processed;Infrared ray tracker is connected with controller, measured is obtained in real time and is moved according to the eye obtained by Cognitive task presentation module
Data, are connected by data transmission unit with eye movement data analysis module.
Further, it is described to stimulate mark guiding module including the interrupted presentation to marking, change brightness or change color.
Further, the mark stimulated in mark guiding module includes pattern, word, letter, numeral or sound.
Further, the eye movement data include blinkpunkt, fixation times, duration of fixation, return regard number of times, twitching of the eyelid width
Degree, the twitching of the eyelid time and watch track attentively.
Further, the notice fraction for calculating measured includes:When the notice task is that vision direction is appointed
During business, the distance between position that the blinkpunkt position according to measured stimulates with Current vision determines the fraction of notice first,
Fixation times according to measured determine the fraction of notice second, and the twitching of the eyelid time according to measured determines the 3rd point of notice
Number, the twitching of the eyelid amplitude according to measured determines the fraction of notice the 4th, by second point of the fraction of the notice first, notice
Number, the fraction of notice the 3rd and the fraction of notice the 4th are combined, and obtain the notice fraction of current measured.
Towards the center that task refers to that measured first watches a certain presentation carrier attentively, there are a series of changes to vision in the carrier periphery
The symbol of change(Letter or figure), when visual stimulus occurs, the visual stimulus is watched attentively with most fast speed.
Further, the visual search fraction for calculating measured includes:To many in measured's presentation search mission
Individual visual stimulus, according to the target visual stimulation sites in the last blinkpunkt position watched attentively in track and the search mission it
Between distance determine the fraction of visual search first;Total duration of fixation according to measured determines the second fraction of search;According to
The track of watching attentively of measured determines the 3rd fraction of search, by the 3rd point of the first fraction of the search, the second fraction of search and search
Number is combined;Obtain the visual search fraction of current measured.
Further, the memory scores for calculating measured include:The multiple in memory tasks is presented to measured to regard
Feeling stimulates, and multiple visual stimulus are presented in diverse location successively, when the plurality of visual stimulus disappears, according to watching attentively for measured
When track is inconsistent at certain visual stimulus with the presentation order of the multiple visual stimulus for disappearing, it is determined that the first fraction of memory;
Duration of fixation according to measured determines the second fraction of memory;The first fraction of the memory is mutually tied with the second fraction of memory
Close, obtain the memory scores of current measured;Or the goal stimulus in memory tasks, then goal stimulus is presented to measured
Disappear, then present and include the goal stimulus and other interference stimulations, the elapsed time of goal stimulus is positioned according to measured
It is determined that the first fraction of memory, the track of watching attentively according to measured determines the second fraction of memory, true regarding number of times according to returning for measured
Surely memory the 3rd is counted;The first fraction of the memory, the second fraction of memory and the 3rd fraction of memory are combined, are currently tested
The memory scores of person.
Further, the calculating fraction for calculating measured includes:When calculating task is vertical calculating, according to tested
The track of watching attentively of person determines the first calculating fraction;Average fixation time, fixation times according to measured and returning determines regarding number of times
Second calculates fraction;The first fraction of the calculating and the second fraction of calculating are combined, the calculating fraction of current measured is obtained.
Further, the calculating fraction for calculating measured includes:When calculating task is when being calculated using topic, according to quilt
Survey person determines the first calculating fraction for total fixation time of applied problem solution topic keyword, is inscribed for applied problem solution according to measured
The fixation times of keyword determine the second calculating fraction, are determined for the twitching of the eyelid amplitude of applied problem solution topic keyword according to measured
3rd calculates fraction, and the 4th calculating fraction is determined depending on number of times for returning for applied problem solution topic keyword according to measured, will be described
The first fraction is calculated, the second fraction, the 3rd fraction of calculating is calculated and calculates the 4th fraction and is combined, obtain the meter of current measured
Point counting number.
Further, the reading fraction for calculating measured includes:According to measured for specific vocabulary, sentence and section
The duration of fixation for falling determines to read the first fraction;Determine to read depending on number of times for specific vocabulary, returning for sentence according to measured
Read the second fraction, the amplitude of twitching of the eyelid to the right according to measured determines to read the 3rd fraction, according to measured when always watching lasting attentively
Between determine read the 4th fraction, by it is described reading the first fraction, read the second fraction, read the 3rd fraction and read the 4th fraction
It is combined, obtains the reading fraction of current measured.
Beneficial effects of the present invention:
(1)The present invention can gather the eye movement data of measured, determine notice fraction, visual search fraction, the note of measured
Recall fraction, calculate fraction or read fraction, by the cognitive ability of quantitative analysis measured evaluate measured cognitive characteristics and
Level, with accuracy higher.
(2)Difference of the present invention based on measured's cognitive ability, carries out the rehabilitation training to prompt for guiding, and can more have
It is specific aim, in hgher efficiency.
Brief description of the drawings
Fig. 1 is system construction drawing of the invention;
Specific embodiment:
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
Fig. 1 is system construction drawing of the invention.
A kind of human-subject test rehabilitation training system based on the dynamic tracer technique of eye, including Cognitive task is presented module, infrared
Line eye is dynamic to be followed the trail of component, eye movement data analysis module, test result feedback module and stimulates mark guiding module;
The Cognitive task is presented module is used to that notice task, search mission, memory tasks, calculating task to be presented to measured
Or reading task;
The dynamic eye followed the trail of obtained by component real time record measured cognitive task is presented each task of module of infrared ray eye
Dynamic data, and send to the eye movement data analysis module;Including power supply, infrared ray tracker, data transmission unit and control
Device;Infrared ray tracker is connected with controller, and measured is obtained in real time according to the dynamic number of eye obtained by Cognitive task presentation module
According to being connected with eye movement data analysis module by data transmission unit.
The eye movement data analysis module uses human eye vision dynamic analysing method, and evaluation measured is appointed by doing notice
Notice fraction, search fraction, memory point that business, search mission, memory tasks, calculating task or reading task are reflected
Number, calculating fraction read fraction;And result is sent to the test result feedback module and stimulates guiding module;
The test result feedback module is used to feed back its test result to measured;
The dynamic processing of eye for stimulating mark guiding module to be used to guide measured.
Notice task can be vision towards task or note continuing task.
When the notice task be vision towards task when, blinkpunkt position according to measured stimulates with Current vision
The distance between position determine that the fraction of notice first is A1, the fixation times according to measured determine the fraction of notice second
A2, the twitching of the eyelid time according to measured determines the fraction A of notice the 3rd3, the twitching of the eyelid amplitude according to measured determines notice the 4th
Fraction A4, the fraction of the notice first, the fraction of notice second, the fraction of notice the 3rd are mutually tied with the fraction of notice the 4th
Close, the notice fraction for obtaining current measured is A1+ A2+ A3+ A4。
When the notice task is to note continuing task, track is watched attentively with Current vision stimulation according to measured
The distance between sequence location determines notice fraction A.
Visual search task refers to different symbols is presented on screen(Letter, numeral, shape, animal, plant, people
Thing ... ..), it is desirable to trainer finds specific target.
Accordingly, the visual search fraction of present invention calculating measured includes:The multiple in search mission is presented to measured
Visual stimulus, between the target visual stimulation sites in the last blinkpunkt position watched attentively in track and the search mission
Distance determine the first fraction of visual search B1;Total duration of fixation according to measured determines the second fraction B of search2;According to
The track of watching attentively of measured determines the 3rd fraction B of search3, by the first fraction of the search, the second fraction of search and search the 3rd
Fraction is combined;Obtain the visual search fraction B of current measured1+ B2+ B3。
Memory tasks re-recognize task, memory task by memory capability method of testing point.Recognition method:(judge latter pictures
The stimulation of presentation whether with previous(Or preceding N, difficulty increases)It is identical, method of recall:Figure is presented blank screen after presenting,
Ask to be moved with eye and draw the stimulant that previous screen is seen;By memory content point space tasks and object task;By memory type point
Short-term memory and long-term memory;
The memory scores for calculating measured include:Memory tasks are presented to measured(Re-recognize task)In multiple visual stimulus,
Multiple visual stimulus are presented successively, when first visual stimulus disappears, and second visual stimulus is presented, according to measured to the
Whether two visual stimulus profiles for watching attentively to be described track of visual stimulus are identical with first visual stimulus profile to determine note
Recall fraction C.
The memory scores for calculating measured include:Memory tasks are presented to measured(Memory task)In multiple visions thorn
Swash, multiple visual stimulus are presented successively, Current vision stimulates when disappearing, and measured faces Blank pictures, according to comparing measured
Watch attentively track with disappear the visual stimulus profile, determine memory scores C.
The memory scores for calculating measured include:Memory tasks are presented to measured(Space short-term memory)In multiple regard
Feeling stimulates, and multiple visual stimulus are presented in diverse location successively, when the plurality of visual stimulus disappears, according to watching attentively for measured
When track is inconsistent at certain visual stimulus with the presentation order of the multiple visual stimulus for disappearing, it is determined that the first fraction of memory
C1;Duration of fixation according to measured determines the second fraction C of memory2;By the second fraction of the first fraction of the memory and memory
It is combined, obtains the memory scores of current measured, or the goal stimulus in memory tasks is presented to measured, then target
Stimulate and disappear, then present and include the goal stimulus and other interference stimulations, the process of goal stimulus is positioned according to measured
Time determines to remember the first fraction, and the track of watching attentively according to measured determines the second fraction of memory, regards secondary according to returning for measured
Number determines that memory the 3rd counts C3;The first fraction of the memory, the second fraction of memory and the 3rd fraction of memory are combined, are worked as
The memory scores C of preceding measured1+ C2+ C3。
Calculating task includes that counting, vertical calculating and application topic are calculated.
When calculating task is to count, fixation times, fixation time according to measured, returns and regard number of times, twitching of the eyelid distance, note
Apparent path determines to calculate fraction D.
When calculating task is vertical calculating, the track of watching attentively according to measured determines the first calculating fraction D1;According to quilt
Average fixation time of survey person, fixation times and return and determine the second calculating fraction D depending on number of times2;By it is described calculating the first fraction and
Calculate the second fraction to be combined, obtain the calculating fraction D of current measured1+ D2。
It is true for total fixation time of applied problem solution topic keyword according to measured when calculating task is using topic calculating
Fixed first calculates fraction D1, the second calculating fraction D is determined for the fixation times of applied problem solution topic keyword according to measured2, root
Determine the 3rd calculating fraction D for the twitching of the eyelid amplitude of applied problem solution topic keyword according to measured3, inscribed for application according to measured
Returning for keyword of solving a problem determines the 4th calculating fraction D depending on number of times4, by the first fraction of the calculating, calculate the second fraction, calculate the
Three fractions and the 4th fraction of calculating are combined, and obtain the calculating fraction D of current measured1+ D2+ D3+D4。
Watch position attentively first, watch whether track Response calculation strategy is available strategy or optimal strategy attentively;During average fixation
Between, fixation times, return regard number of times Response calculation speed.
The reading fraction for calculating measured includes:Continued for watching attentively for specific vocabulary, sentence and paragraph according to measured
Time determines to read the first fraction E1;Number of times determination the second fraction of reading is regarded for specific vocabulary, returning for sentence according to measured
E2, the 3rd fraction E of the amplitude of twitching of the eyelid to the right determination reading according to measured3, total duration of fixation according to measured determines to read
Read the 4th fraction E4, the first fraction of the reading, the second fraction of reading, the 3rd fraction of reading are mutually tied with the 4th fraction is read
Close, obtain the reading fraction E of current measured1+ E2+ E3+E4。
According to the different cognitive ability of measured, the measured relatively low to cognitive ability fraction carries out special cognitive ability instruction
Practice, such as A in the notice fraction of measured1It is relatively low relative to other fractions, then we preferentially train the note of the measured
Meaning power, when starting training, the distance between position stimulated using shorter blinkpunkt position and Current vision, and gradually increase
Big distance, for training this function in measured's notice.
Embodiment 2:
Used as one kind improvement to above-described embodiment, we use including the interrupted presentation to marking, change brightness or change face
The stimulation mark guiding module of color, wherein mark includes pattern, word, letter, numeral or sound;Its advantage can be have
Effect guiding measured be trained, and the mode of prompting is varied, good training is can act as to different measured and is made
With.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.