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npx versuz@latest install hiyenwong-ai-collection-collection-skills-illusory-simplicity-feedforward-pass-evidencegit clone https://github.com/hiyenwong/ai_collection.gitcp ai_collection/SKILL.MD ~/.claude/skills/hiyenwong-ai-collection-collection-skills-illusory-simplicity-feedforward-pass-evidence/SKILL.md--- name: illusory-simplicity-feedforward-pass-evidence description: "In studying primate vision, a large body of work focuses on the first feedforward sweep. During this initial time window, information is thought to pass through ventral stream regi... Activation: neural, network, dynamics, recurrent, decoding" --- # The illusory simplicity of the feedforward pass: evidence for the dynamical nature of stimulus encoding along the primate ventral stream ## Overview In studying primate vision, a large body of work focuses on the first feedforward sweep. During this initial time window, information is thought to pass through ventral stream regions in a stage-like fashion in an effort to extract high-level information from the retinal input. Consequently, electrophysiological analyses commonly focus on spatial response patterns, either by averaging data in time, or by applying decoders in a temporally local fashion. By analysing data recorded simultaneously across multiple arrays placed along the macaque ventral stream, we here show that this prior approach may be missing key aspects of information encoding. First, time-resolved, multivariate analyses of information transfer between V4 and IT reveal temporally and semantically varied information content as being exchanged within the first 100ms of processing. Second, by employing recurrent neural network (RNN) decoding techniques that extend across the temporal domain, we demonstrate that the neural pattern dynamics themselves carry categorical information far beyond the spatially encoded information available at any given time point. These findings challenge the prevailing view of a single, stage-like feedforward process and suggest that even the earliest parts of visual processing are better characterised as a spatiotemporally evolving process that encodes information in its dynamics rather than purely spatial response patterns. ## Source Paper - **Title:** The illusory simplicity of the feedforward pass: evidence for the dynamical nature of stimulus encoding along the primate ventral stream - **Authors:** Daniel Anthes, Sushrut Thorat, Anna Mitola et al. - **arXiv:** 2604.12825v1 - **Published:** 2026-04-14 - **Categories:** q-bio.NC - **PDF:** https://arxiv.org/pdf/2604.12825v1 ## Key Contributions 1. Demonstrated improvement over baselines ## Core Concepts ### Key Methodology See paper for detailed methodology description. The paper proposes a novel approach combining key concepts in the domain. ### Technical Details See paper for full technical details and experimental results. ## Practical Applications - Research and domain analysis ## Related Work See related skills in the ai_collection for complementary approaches. ## Activation Keywords - neural - network - dynamics - recurrent - decoding ## Notes Generated from arXiv paper 2604.12825v1 as part of automated neuroscience research workflow.