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Hierarchical temporal prediction captures motion processing along the visual pathway. | LitMetric

AI Article Synopsis

  • Visual neurons exhibit increasing complexity in their responses, starting from simple flashes of light in the retina to complex moving textures in higher cortical areas.
  • A model based on temporal prediction can explain how these neurons’ tuning properties evolve across different levels of the visual system by focusing on features that help forecast future sensory input.
  • This hierarchical approach to temporal prediction indicates that the brain prioritizes certain sensory inputs over others, emphasizing those that provide useful predictive information.

Article Abstract

Visual neurons respond selectively to features that become increasingly complex from the eyes to the cortex. Retinal neurons prefer flashing spots of light, primary visual cortical (V1) neurons prefer moving bars, and those in higher cortical areas favor complex features like moving textures. Previously, we showed that V1 simple cell tuning can be accounted for by a basic model implementing temporal prediction - representing features that predict future sensory input from past input (Singer et al., 2018). Here, we show that hierarchical application of temporal prediction can capture how tuning properties change across at least two levels of the visual system. This suggests that the brain does not efficiently represent all incoming information; instead, it selectively represents sensory inputs that help in predicting the future. When applied hierarchically, temporal prediction extracts time-varying features that depend on increasingly high-level statistics of the sensory input.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10629830PMC
http://dx.doi.org/10.7554/eLife.52599DOI Listing

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