Brain Science with Ginger Campbell, MD: Neuroscience for Everyone cover image

BS 213 Kevin Mitchell explores Free Will

Brain Science with Ginger Campbell, MD: Neuroscience for Everyone

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Information Processing and Loss in the Visual and Neuronal Systems

The visual system processes information by performing computations such as contrast enhancement to perceive meaningful information like edges and objects. The processed information that reaches the visual cortex is already coarse-grained, with many low-level details lost. Neurons integrate inputs over time and from multiple sources, and they are not concerned with the precise timing of every spike. Instead, they assess the rate of inputs to determine whether to fire or ignore the input.

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