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How the human brain processes visual signals

author:Drunk O thought

The brain is one of the complex nervous systems that processes a lot of visual information. The processing of visual information involves multiple regions and neural circuits, including parts such as the eye, visual cortex, and hypothalamus.

How the human brain processes visual signals

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Our eyes can perceive visual information and transmit it to the brain through the retina. Each eye can receive a different angle, and the visual cortex compares the information from these two angles, and merges the information of the left and right eyes into a more three-dimensional three-dimensional image, through which humans can perceive and understand the surrounding environment.

How the human brain processes visual signals

The visual cortex is a key area in the brain that includes multiple areas that process information. Depending on how the function is organized, it can be divided into levels and areas. These regions include the primary visual cortex (V1), which functions in simply separating visual information, such as edge and orientation information; The intermediate visual cortex (V2-V4) and dorsal pathways are responsible for detecting and separating more complex information such as shape, color, and movement. The parietal pathway and the posterior frontal lobe of the brain are responsible for the processing of advanced information, such as face recognition, object recognition, and semantic information processing.

How the human brain processes visual signals

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In addition, the brain's process of processing visual information is accompanied by the cooperation and coordination of multiple neural circuits. For example, the speed of our visual information processing is not simply a difference in individual speed and slowness, but more depends on the relatively independent division of labor and cooperation between neurons such as flat cells and long cylindrical cells in the visual cortex. However, the processing process of brain neural networks is very complex and not fully understood all the mechanical features in the brain.

How the human brain processes visual signals

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In short, the brain is a complex nervous system that processes large amounts of visual information. Multiple neural regions and circuits in the brain are involved in the processing and perception of visual information. With the continuous development of neuroscience research, we will have more opportunities to study the visual processing mechanism of the brain, provide scientists with more theoretical foundations for visual processing, and provide scientific basis for more accurate medical treatment and treatment.