Visual perception and processing mechanisms

Braintree: An agentic framework for in-silico vision neuroscience

Braintree autonomously runs in-silico vision neuroscience experiments to test hypotheses, generate stimuli, and analyze neural responses using brain models.

Probing the neural geometry of conscious object perception in time

This study investigates the sequence of neural processing in conscious object recognition using EEG, finding that basic-level category information correlates with awareness early, while superordinate information becomes relevant later.

A canonical neural circuit for motion direction estimation

This paper introduces a neural circuit model for motion direction estimation using direction-selective cells, showing it outperforms deep neural networks in predicting diverse visual motion data.

Neural abstraction of evidence accumulation enables flexible multidimensional perceptual decisions

This study shows human perceptual decisions use abstract neural representations to flexibly combine sensory features across contexts, supported by MEG data and recurrent neural networks.

A Repulsive Bias in Perceived Heading Away from the Straight-Ahead as Determined by Continuous Psychophysics

This study uses continuous psychophysics in VR to show repulsion away from straight ahead in heading perception, supporting the response-range explanation over egocentric reference frame.

Crowding distorts features, not objects: structured target confusions in a 4AFC conjunction task

The paper investigates visual crowding by analyzing feature-specific errors in a conjunction-report task, finding that orientation and luminance reports are independently impaired by similar flankers.

Neural Representations of Visual Anagrams in Macaque Inferotemporal Cortex

The paper investigates how macaque inferotemporal cortex represents visual anagrams, finding that neuronal responses align with specific interpretations based on orientation and shape preference.

Clutter does not affect the spatial tuning of * category representations in human object-selective cortex *

The paper tests whether clutter disrupts spatial tuning of object representations in human visual cortex by measuring brain signals during object viewing with and without clutter.

Sparse Stimulus Generation Improves Reverse Correlation Efficiency and Interpretability

This paper introduces a method for generating sparse stimuli to improve reverse correlation efficiency and interpretability, showing benefits in reconstruction quality, sample size efficiency, and subjective interpretability.

From sensation to action: distributed mesoscale dynamics in the primate brain

This study maps brain-wide activity during perceptual decisions in macaques, revealing spatially differentiated mesoscale networks that vary with task phase and sensory certainty.

Attention warps visual-semantic representations across the human cerebellum

The paper investigates how attention modulates visual-semantic representations in the cerebellum using fMRI and encoding models, finding significant tuning shifts in specific cerebellar regions.

Inferotemporal cortex stimulation is perceived before its onset

The paper shows that visual perception of cortical stimulation in macaques is delayed by approximately 200 ms relative to the stimulation onset.

Direct encoding of new visual concepts in early visual cortex

This study shows that concept learning can rapidly alter early visual cortex responses and microstructure, independent of prior knowledge or hippocampal reactivation.

Eyes on the prize: a neural basis of perceptual choking under pressure

This study investigates how rare rewards affect performance and neural activity in rhesus monkeys during a color change detection task, finding detrimental changes in V4 population activity linked to perceptual choking.

Biophysical modeling of excitation/inhibition imbalance in Alzheimer's disease

The paper develops a neural model to study how excitation/inhibition imbalance affects visual motion perception in Alzheimer's disease, finding that increased excitation and decreased inhibition reduce illusion representation.

Estimating the duration of perceptual moments from early infancy to adulthood

This study estimates the duration of Temporal Integration Windows (TIWs) in visual perception from infancy to adulthood, finding a sevenfold reduction in TIW duration.

Perceptual decision-making: extending a standardized rodent task to humans

The paper compares perceptual decision-making strategies between humans and mice using a standardized task, finding that instructed humans perform better than uninstructed humans.

Trial-History and Spatial Biases Shape Perceptual Decision-Making in Archerfish

This study shows that archerfish exhibit decision-making biases similar to mammals, including trial-history and spatial biases, but differ in maintaining stable behavior during unrewarded trials.

Designing stimuli for non-invasive, cell-type-specific manipulation of retinal ganglion cell activity

The paper introduces a computational framework to design stimuli that selectively manipulate specific retinal ganglion cell types with minimal impact on others.

Retinotopic organization of head-orienting vectors in the pigeon ventral lateral geniculate nucleus

The paper shows that the pigeon ventral lateral geniculate nucleus contains a retinotopically organized map of fixed-vector head movements, independent of the optic tectum.

"Spilling-in" versus "Filling-in": Disentangling bottom-up drive from predictive completion in human V1 to V3

The paper dissociates bottom-up and top-down contributions in human visual areas V1-V3 using BOLD responses to full-field and central scotoma stimuli.

Acceleration of vision changes object representations from infancy to adulthood

The paper shows that accelerating visual information flow in adults mimics infant vision, reducing fine-grained object distinctions while preserving general object representations.

Deep-learning-based fMRI decoding of real-world size for hand-held objects

This study uses a 3D deep neural network to decode real-world object size from fMRI data, revealing a distributed neural network for subtle size differences beyond traditional visual areas.

Anticipated Relevance Prepares Visual Processing for Efficient Memory-Guided Selection

The paper shows that anticipating stimulus relevance enhances visual processing to support memory-guided selection.

SAIL: Sparse Autoencoders for Interpretable Alignment of Human Vision and Multimodal Large Language Models

SAIL aligns human vision and MLLM representations using sparse autoencoders, revealing semantic alignment along the ventral visual pathway and action-related semantics in specific brain regions.

The Role of Retinal Flow in Walking

This study investigates how retinal flow affects walking trajectories in virtual reality, finding that ground-plane motion has a greater impact on path straightening than wall motion.

On-demand surround suppression explains the spatiotemporal window of the tilt illusion

The paper investigates the tilt illusion to show that perceptual context is actively gathered over time, not passively received, by demonstrating that more distant surrounds influence perception later.

Electrical stimulation of the human pulvinar generates visual percepts

This study shows that electrical stimulation of the human pulvinar can generate visual percepts and alter cortical activity in patients with epilepsy.

Asymmetric Adaptation of Catch-up Saccades with Artificial Central Scotomas

The paper studies how catch-up saccades adapt in individuals with simulated central vision loss over five days of visual tracking.

Shared symmetry detection with divergent temporal dynamics in marmosets and humans

This study compares symmetry perception dynamics between marmosets and humans using non-invasive electrophysiology, finding conserved fast processing but reduced sustained processing in marmosets.