How does our brain create a coherent image when we look at different objects? neurocellpress
When we open our eyes, we immediately see what is there. The efficiency of our vision is a remarkable achievement of evolution. The introspective ease with which we perceive our visual surroundings masks the sophisticated machinery in our brain that supports
. The image that we see is rapidly analyzed by a complex hierarchy of cortical and subcortical brain regions.Neurons in low level brain regions extract basic features such as line orientation, depth and the color of local image elements. They send the information to several mid-level brain areas. Neurons in these areas code for other features, such as motion direction, color and shape fragments.
Neurons in mid-level areas send the information to yet higher levels for an even more abstract analysis of the visual scene. Neurons at these higher levels code for the category of objects and even for the identity of specific individuals.
The binding problem occurs if there are multiple objects. Each of the objects activates a pattern of neurons across many regions and in such a representation it may not evident which features belong to one of the objects and which ones belong to the others. Which process glues the features into coherent object representations?
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