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Bionic visual perception method based on light and neurotransmitter dual regulation

A neurotransmitter and visual perception technology, applied in the field of neurotransmitter sensors and bionic vision, can solve problems such as single perception mechanism

Pending Publication Date: 2022-05-20
NANKAI UNIV
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AI Technical Summary

Problems solved by technology

Solve the problem of the single perception mechanism of the existing bionic visual perception technology, provide a new method for simulating visual perception from the perspective of biological optic nerve conduction, and create a truly "bionic" visual perception

Method used

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  • Bionic visual perception method based on light and neurotransmitter dual regulation
  • Bionic visual perception method based on light and neurotransmitter dual regulation
  • Bionic visual perception method based on light and neurotransmitter dual regulation

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Embodiment Construction

[0038] Embodiments of the present invention are given and described in detail below with reference to the accompanying drawings.

[0039] A bionic visual perception method based on "light + neurotransmitter" dual regulation, such as figure 1 shown, including the following steps:

[0040] Step S1, based on the formation mechanism of the optic nerve in which the organism perceives light and neurotransmitters at the same time, establish a bionic visual perception research model regulated by the joint action of light and neurotransmitters, such as: figure 2 Step S1 specifically includes:

[0041] Step S11, using a photo-synaptic neurotransmitter sensor modified by neurotransmitter receptors, adding different types of neurotransmitters on the surface, and using the same lighting conditions to study the synaptic photocurrent (Is) output by the sensor, and establish A model of the relationship between synaptic photocurrents and neurotransmitter species.

[0042] Specifically, glu...

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Abstract

Based on an optic nerve formation mechanism that an organism simultaneously senses light and neurotransmitters, a photosynaptic neurotransmitter sensor is used for simultaneously sensing the light and the neurotransmitters, and a bionic visual perception research model regulated and controlled by the combined action of the light and the neurotransmitters is established. Neurotransmitter is used for regulating and controlling a photosynapse function to simulate the abnormal condition of optic nerve conduction, two abnormal conditions of amblyopia and color blindness in vision are simulated, and the individual visual difference of an organism is simulated. The light sensing condition of the photosynaptic neurotransmitter sensor is combined, the ability of capturing a moving light source and identifying an object contour in vision is simulated, and the bionic visual sensing function under the optic nerve abnormity and normal conditions is compared. According to the method, biochemical reaction and photoelectric stimulation are combined, and a more real bionic visual perception method is provided from the aspect of biological optic nerve conduction.

Description

technical field [0001] The invention relates to the technical field of neurotransmitter sensors and bionic vision, in particular to a bionic visual perception method based on "light + neurotransmitter" dual regulation. Background technique [0002] The 21st century is called the century of brain science, including the structure and function of the brain. Neurobiochemistry believes that the transmission of neurotransmitters between neurons and synapses is the molecular biological basis for the coordinated work of organisms. In biological synapses, the electrical activity of the previous neuron in the process of biological information transmission prompts the presynaptic membrane to secrete specific chemicals (ie neurotransmitters), which act on the postsynaptic membrane and transmit to the next level neurons, which in turn cause changes in the electrical activity of the next level neurons. To mimic this synaptic transmission behavior, a large number of novel neuromorphic sy...

Claims

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Application Information

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IPC IPC(8): G06N3/06G06N3/067
CPCG06N3/061G06N3/0675
Inventor 任书卉王开洋贾芸芳
Owner NANKAI UNIV
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