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Graphene eye movement piece, eye movement psychological adjustment instrument and eye movement testing method

A technology of graphene and regulator, applied in the field of medical equipment, can solve the problems of high price and achieve the effect of low cost, high accuracy rate and simple operation

Active Publication Date: 2015-12-30
THE THIRD AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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AI Technical Summary

Problems solved by technology

SR's EyelinkII is currently the head-mounted eye-tracking system with the highest sampling rate. Its sampling rate can be as high as 500Hz, but it is expensive.

Method used

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  • Graphene eye movement piece, eye movement psychological adjustment instrument and eye movement testing method
  • Graphene eye movement piece, eye movement psychological adjustment instrument and eye movement testing method
  • Graphene eye movement piece, eye movement psychological adjustment instrument and eye movement testing method

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with accompanying drawing.

[0044] Such as figure 1 The graphene eye-moving piece shown, the graphene eye-moving piece includes a flexible substrate 1d, a graphene nano-wall 1a arranged on the flexible substrate 1d, and a graphene nano-wall 1a arranged on the graphene nano-wall 1a for input / The first electrode 1b and the second electrode 1c that output electrical signals. The flexible substrate 1d is made of polydimethylsiloxane.

[0045] Graphene is a planar hexagonal lattice material formed by sp2 hybridized carbon atoms connected by covalent bonds. It can be warped into zero-dimensional fullerene, rolled into one-dimensional carbon nanotubes or other planar shapes, and has Tunable band gap, room temperature Hall effect, extremely high mechanical strength elasticity and thermal conductivity, extremely fast electron transport, good flexibility and biocompatibility, etc.

[0046] Graphene nanowall...

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Abstract

The invention discloses graphene eye movement piece comprising a flexible substrate, a graphene nano wall arranged on the flexible substrate, and a first electrode and a second electrode which are arranged on the graphene nano wall. The invention also discloses an eye movement psychological adjustment instrument comprising an I / O converter, a lower computer, a CPLD module, an upper computer, an LED lamp, a voice metronome and the graphene eye movement piece, wherein the lower computer is connected with the I / O converter, the CPLD module, the upper computer, the LED lamp and the voice metronome respectively; the CPLD module is connected with the first electrode of the graphene eye movement piece; the I / O converter is connected with the second electrode of the graphene eye movement piece. The invention further discloses an eye movement testing method. The invention can provide two excitation modes of photo-stimulation and metronome, and can provide timely analysis of eye movement reactions.

Description

technical field [0001] The invention belongs to medical equipment, and in particular relates to a graphene eye movement sheet, an eye movement psychological regulator and an eye movement testing method. Background technique [0002] Eyes are the most important information input system in our information processing process. By studying these movements of the eyes, researchers can explore the laws of human cognitive activities. In order to accurately record people's eye movement process, psychologists and other relevant experts have been working hard to develop eye movement recording technology. Early eye movement studies mainly used observation methods and mechanical recording methods. The error of the observation method is very high, and the mechanical recording method includes various forms such as the head fulcrum lever method, the pneumatic method, and the corneal adsorption ring method. The observation method is simple and easy to implement, but the result is imprecis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/113A61B5/16
Inventor 高洁魏大鹏刘海杨策杨俊孙泰何庆华尹军王莉王永堂李森刘媛伍亚民
Owner THE THIRD AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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