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Function detection system and method for subcortical pathway

A function detection, subcortical technology, applied in the field of neurophysiology, can solve the problem of no subcortical pathway function level detection, etc., and achieve the effect of accurate detection

Pending Publication Date: 2022-03-08
SHENZHEN INST OF ADVANCED TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Current studies on the function of subcortical pathways mainly focus on verifying the correlation between visual information stimuli and subcortical pathways, and there are few methods for detecting the functional level of subcortical pathways

Method used

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  • Function detection system and method for subcortical pathway
  • Function detection system and method for subcortical pathway
  • Function detection system and method for subcortical pathway

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Experimental program
Comparison scheme
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Embodiment 1

[0036] figure 1 It is a schematic structural diagram of a subcortical pathway function detection system provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of detecting the functional level of the subcortical pathway of the subject under test. The system can use software and / or or hardware implementation.

[0037] The function detection system of the subcortical pathway includes: a visual presentation system 100, a neural pathway stimulation system 110, a key device 120, and a function evaluation system 130; The signals are sequentially displayed to the subject under test; the neural pathway stimulation system 110 is configured to perform an inhibitory stimulation operation on the subcortical pathway of the subject based on a preset time interval after the visual presentation system 100 displays the visual stimulation signal to the subject under test The button device 120 is used to obtain the key response information of the measu...

Embodiment 2

[0073] The technical solution of this embodiment is further refined on the basis of the above-mentioned embodiments. Optionally, the neural pathway stimulation system 110 is specifically used to: for the first preset number of test visual stimulation signals, sequentially based on the first preset Setting a time interval, performing an inhibitory stimulation operation on the subcortical pathway of the subject under test; performing an inhibitory stimulation operation on the subcortical pathway of the subject under test based on the second preset time interval in turn for the second preset number of test visual stimulation signals ; Wherein, the first preset time interval is different from the second preset time interval.

[0074] It should be noted that the technical solution of this embodiment is only illustrated with the first preset time interval and the second preset time interval, but does not limit the number of preset time intervals. In this embodiment, the preset The n...

Embodiment 3

[0085] The technical solution of this embodiment is further refined on the basis of the above-mentioned embodiments. Optionally, the visual stimulation signal group also includes a control stimulation signal group, and the comparison stimulation signal group includes a non-fearful face stimulation signal group and / or a control pattern. The stimulus signal group, the control pattern stimulus signal group includes at least two contrast pattern visual stimulus signals with at least non-topological change differences.

[0086] Wherein, specifically, the test visual stimulation signal in the control stimulation signal group can be used to characterize the visual stimulation signal that cannot activate the subcortical pathway of the subject under test. Wherein, the non-fearful face stimulation signal group includes at least one non-fearful face visual stimulation signal. Exemplarily, the non-fearful face visual stimulation signal may be a happy face visual stimulation signal, an angr...

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Abstract

The embodiment of the invention discloses a function detection system and method for a subcortical pathway. The system comprises a visual presentation system, a neural pathway stimulation system, key equipment and a function evaluation system, wherein the visual presentation system is used for sequentially displaying at least one visual stimulation signal in a visual stimulation signal group to a tested object; the neural pathway stimulation system is used for executing inhibition stimulation operation on the subcortical pathway of the tested object based on a preset time interval after the visual presentation system displays the visual stimulation signal to the tested object; the key device is used for acquiring key response information input by the tested object based on the visual stimulation signals for each visual stimulation signal; and the function evaluation system is used for acquiring key response information corresponding to the visual stimulation signal group and determining a function score of the subcortical pathway of the tested object based on the key response information. According to the technical scheme provided by the embodiment of the invention, the function level of the subcortical pathway can be accurately detected.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of neurophysiology, and in particular to a function detection system and method of a subcortical pathway. Background technique [0002] The superior colliculus-occipital tubercle-amygdala pathway, also known as the visual subcortical pathway, is one of the visual subcortical pathways in the mammalian brain. The superior colliculus, an evolutionarily ancient structure located in the midbrain, is the first visual information-processing nucleus in the pathway after the retina, receiving information directly from the retina. The pulvinar tubercle is the second nucleus of visual information processing in this pathway, which is mainly activated by strong visual information, but can also be activated by subconscious emotion-related visual information. The amygdala is the last nucleus, mainly responsible for emotional information processing. Subcortical pathways play an important role in ...

Claims

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Application Information

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IPC IPC(8): A61B5/378A61B5/383
CPCA61B5/378A61B5/383
Inventor 黄艳沈琳
Owner SHENZHEN INST OF ADVANCED TECH
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