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~ similar to 2605.28693· 20 results

cs.CVcs.AIq-bio.NCRecentMay 28, 2026

Brain-IT-VQA: From Brain Signals to Answers

Roman Beliy, Matias Cosarinsky, Oliver Heinimann, Navve Wasserman +1 more

The paper introduces Brain-IT-VQA, a novel framework that significantly improves visual question answering from fMRI signals, and presents NSD-VQA, a new, highly controlled dataset for this task.

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cs.LGcs.CLRecentMay 30, 2026

Task Structure Reverses Layerwise State Encoding in Sequence Models

Yuhang Jiang

The paper demonstrates that the location and nature of state encoding in sequence models are not fixed architectural traits but are highly dependent on the specific task, showing that the encoding pro…

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cs.CVcs.AIRecentMay 28, 2026

Versatile Framework with Semantic and Structural guidance for Image Reconstruction from Brain Activity

Yizhuo Lu, Changde Du, Qiongyi Zhou, Liuyun Jiang +1 more

The paper proposes MindDiffuser, a two-stage framework that significantly improves image reconstruction from brain activity by combining semantic guidance from text-to-image models with structural ref…

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cs.LGcs.AIRecentJun 1, 2026

When Do Attention Circuits Form? Developmental Trajectories of Capability and Attention-Sink Emergence Across Three 1B-ClassArchitectures

Yongzhong Xu

The paper tracks the developmental emergence of attention circuits in 1B-class language models, finding that the formation of induction and attention-sink circuits are distinct, temporally separated t…

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cs.LGcs.AIRecentMay 28, 2026

When LLMs Learn to Be Consistently Wrong: A Multi-Model Study of Linear Representations of Synthetic Deception

Vahideh Zolfaghari

The study demonstrates that robust, domain-invariant representations of synthetic deception can be rapidly entrenched in LLMs using modest fine-tuning, detectable by linear probes even in early layers…

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cs.NEcs.LGRecentJun 2, 2026

Quadratic integrate-and-fire neurons exhibit less fragmented loss landscapes and outperform leaky integrate-and-fire neurons in spike-based gradient descent

Carlo Wenig, Raoul-Martin Memmesheimer, Christian Klos

The paper demonstrates that quadratic integrate-and-fire (QIF) neurons are superior to leaky integrate-and-fire (LIF) neurons for gradient descent training in spiking neural networks because their con…

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cs.AIRecentMay 27, 2026

Geometry of Human Perceptual Domains Emerges Transiently in LLM Representations

Simardeep Singh, Paras Chopra

This paper demonstrates that large language models spontaneously develop geometric structures corresponding to human perceptual domains (like color or pitch) within their internal layers, suggesting t…

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cs.CVcs.AIRecentMay 27, 2026

Bayesian Gated Non-Negative Contrastive Learning

Peng Cui, Jiahao Zhang, Lijie Hu

BayesNCL introduces a probabilistic gating mechanism to resolve the optimization conflict in Contrastive Learning, leading to highly disentangled and semantically consistent representations.

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q-bio.NCcs.NERecentJun 2, 2026

Short-Term Synaptic Plasticity Stabilizes Goal-Conditioned Dynamics in a PFC-Inspired Reservoir Model for Multistep Goal-Directed Action Planning

Jin Nakamura, Yuichi Katori

Incorporating short-term synaptic plasticity (STP) into a PFC-inspired reservoir model significantly stabilizes goal-conditioned dynamics, particularly under state noise, suggesting STP dynamically mo…

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cs.LGcs.AIRecentMay 28, 2026

A Shared Valence Axis Across Modern LLMs and Human EEG: The Saturation Regularity

Yousef A. Radwan, Xuhui Liu, Kilichbek Haydarov, Yuqian Fu +1 more

The paper demonstrates that the valence structure learned by modern LLMs aligns with human EEG emotional representations, but finds that further supervised alignment is ineffective due to a phenomenon…

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cs.AIRecentMay 31, 2026

Emergent Ordinal Geometry in Transformers Trained on Local Comparisons

Nishit Singh

The paper demonstrates that Transformers trained on local comparisons implicitly learn a global, one-dimensional ordinal structure, mirroring the human ability to perform transitive inference.

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cs.CVcs.AIcs.LGRecentJun 2, 2026

Formalizing the Binding Problem

Lianghuan Huang, Yihao Li, Saeed Salehi, Yingshan Chang +2 more

This paper formalizes the binding problem using information theory and develops a probing method to measure binding information in deep learning representations, demonstrating that binding is crucial…

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cs.LGcs.AIRecentMay 29, 2026

Positional versus Symbolic Attention Heads: Learning Dynamics, RoPE Geometry, and Length Generalization

Felipe Urrutia, Juan José Alegría, Cinthia Sanchez Macias, Jorge Salas +2 more

The paper analyzes the distinct computational roles of positional versus symbolic attention heads in Transformers, demonstrating that symbolic mechanisms generalize more reliably to longer sequences t…

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cs.CVcs.AIcs.CLRecentMay 29, 2026

Vision-Language Models Suppress Female Representations Under Ambiguous Input

Arnau Marin-Llobet, Simon Henniger, Mahzarin R. Banaji

Vision-language models (VLMs) exhibit an asymmetric bias, suppressing female representations and defaulting to male outputs when presented with ambiguous visual inputs, even when internal representati…

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cs.LGcs.AIstat.MLRecentMay 28, 2026

On the Optimizer Dependence of Neural Scaling Laws

Vansh Ramani, Shourya Vir Jain

The scaling exponent in neural scaling laws is not fixed but systematically depends on the optimizer used, with preconditioned optimizers generally yielding steeper scaling.

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cs.AIRecentMay 28, 2026

Mind-Omni: A Unified Multi-Task Framework for Brain-Vision-Language Modeling via Discrete Diffusion

Yizhuo Lu, Changde Du, Qingyu Shi, Hang Chen +4 more

Mind-Omni introduces a unified multi-task framework that models the interplay between brain, vision, and language signals using a discrete diffusion paradigm, achieving state-of-the-art performance ac…

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cs.CVcs.AIRecentMay 31, 2026

Beyond Visual Memory: Mechanistic Diagnostics of Latent Visual Reasoning

Garvin Guo, Yu Chen, Xiang Wang, Shuai Li +3 more

The paper deconstructs latent visual reasoning tokens into components and finds that the performance gains are primarily due to boundary markers and attention patterns, not the tokens' ability to enco…

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cs.CVcs.LGRecentJun 1, 2026

CORE-MTL: Rethinking Gradient Balancing via Causal Orthogonal Representations

Chengfeng Wu, Tao Zou, Yanru Wu, Jingge Wang

CORE-MTL proposes a representation-centric framework that uses causal orthogonal representations to disentangle task-relevant structure from nuisance variation in multi-task learning, achieving superi…

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cs.AIcs.LGRecentMay 28, 2026

When and How Human Curation Backfires: Preference Alignment under Multi-Model Self-Consuming Loop

Yang Zhang, Xiukun Wei, Xueru Zhang

This paper analyzes multi-model self-consuming training, showing that while human curation helps individual models, cross-model interactions can degrade long-term alignment by dampening or inverting t…

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