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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

23 | Lisa Aziz-Zadeh on Embodied Cognition, Mirror Neurons, and Empathy

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

NOTE

The Role of Top Down Processing in Brain Function

The brain utilizes both bottom-up and top-down processing in information processing. Bottom-up processing starts from sensory input and goes up to the brain, while top-down processing involves predictions made by the brain that influence processing. In robotics, it was found that relying solely on bottom-up processing was slow, leading to the development of forward modeling which improved speed by incorporating predictive models. Similarly, research suggests that the brain relies more on top-down processing than previously thought, with estimates indicating that up to 90% of information processed is driven by top-down predictions.

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