Visual perception and processing mechanisms

Ensemble Coding of Hidden Objects in Visual Cortex

The paper shows that ensembles of visual cortical neurons encode information about hidden objects through coordinated activity, even when single neuron firing rates do not.

Information, Movement and Adaptation in Human Vision

This paper models fixational eye movements in a theoretical framework to analyze their impact on visual information and adaptation in human vision.

Which perceptual categories do observers experience during multistable perception?

This study uses a novel combination of continuous psychophysical methods and machine learning to analyze perceptual transitions during binocular rivalry, revealing individual variability and new insights into neural processing.

Effects of expectation, attention, and NMDA receptor blockade on feedforward and feedback processing

The paper investigates how expectations, attention, and NMDA receptor blockade modulate sensory processing stages using EEG decoding in a visual stimulus experiment.

Verbally specified task goals reorganize visual codes in human ventral temporal cortex via medial frontal modulation

The paper shows that verbal task instructions rapidly reconfigure visual representations in ventral temporal cortex via medial frontal cortex modulation.

Sparse mixed codes on shared manifolds for human-like spatial attention in artificial neural networks

This paper trains recurrent neural networks to mimic human spatial attention dynamics across different cue types, revealing shared low-dimensional manifolds and sparse coding mechanisms.

Feature-tuned synaptic inputs to somatostatin interneurons drive context-dependent processing

The paper identifies a recurrent circuit between pyramidal cells and somatostatin interneurons in mouse V1 that mediates context-dependent figure/ground modulation.

Summation of contrast across the visual field: a common "fourth root" rule holds from the fovea to the periphery

The paper investigates contrast summation across the visual field and finds a common fourth-root rule applies from the fovea to the periphery.

Maintenance of Bound or Independent Features in Visual Working Memory is Taskdependent

This paper investigates whether task demands determine the format of feature maintenance in visual working memory, finding that task requirements influence whether features are stored separately or bound together.

From adolescence to adulthood: functional fingerprints of high-level visual cortex reveal differential development of visuospatial processing

This study examines how visuospatial processing in high-level visual cortex develops from adolescence to adulthood using fMRI and pRF modeling, revealing category- and stream-specific changes.

Effects of spatial attention on iconic memory are primarily driven by costs rather than benefits

This study investigates how spatial attention affects iconic memory, finding that attentional costs at unattended locations dominate over benefits at attended locations.

Primitives for motion segmentation in the retina

The paper shows that specific ganglion cells respond selectively to contrast changes near moving object edges, suggesting they could serve as primitives for motion segmentation.

Orofacial behaviors, not eye movements, govern neural activity in mouse visual cortex

This study shows that orofacial movements, not eye movements, primarily drive neural activity in mouse visual cortex during free viewing.

Neural and Computational Mechanisms Underlying One-shot Perceptual Learning in Humans

This study identifies high-level visual cortex as the neural substrate for one-shot perceptual learning and develops a deep neural network model that replicates human behavior and neural coding.

Population receptive field properties of the human visual claustrum zone

This study characterizes the topographic organization of the human visual claustrum zone using population receptive field analysis, revealing both similarities to and distinctions from other visually responsive brain regions.

Visual search is constrained by the variability of object-category templates

This study examines how variability in object-category templates affects visual search performance, finding that higher variability leads to slower responses and that individual differences in template variability influence search efficiency.

Dynamic representation of multidimensional object properties in the human brain

The paper investigates how multidimensional object properties are represented in the human brain over time using MEG signals and behavioral data.

A 2D Gabor-wavelet baseline model out-performs a 3D surface model in scene-responsive cortex

The paper compares a 2D Gabor-wavelet model with a 3D surface model in scene-responsive brain areas and finds the 2D model better fits voxel responses.

Natural scene segmentation dynamics reveal iterative Bayesian inference

This study reveals that iterative Bayesian inference explains the spatiotemporal dynamics of natural scene segmentation by integrating visual inputs with spatial priors.

Visual confidence accurately tracks increasing internal noise with eccentricity in peripheral vision

The paper tests if perceptual confidence accurately reflects increasing internal noise in peripheral vision using a Bayesian framework and incentivized confidence measurements.

Preserved perception-action dissociation but altered visuomotor behaviours in healthy aging.

This study examines perception-action dissociation in healthy aging, finding preserved dissociation but altered visuomotor behaviors with increased reliance on contextual cues in older adults.

Expectation effects based on newly learnt object-scene associations are modulated by spatial frequency

The paper investigates how spatial frequency affects expectation effects in object-scene associations using EEG data, finding no impact on classification accuracy but effects on event-related potentials.

Recurrent connections facilitate occluded object recognition by explaining-away

This paper shows recurrent neural networks can improve occluded object recognition by using occluder information to 'explain-away' occlusions, as demonstrated through computational models and human experiments.

A heterogeneous population code at the first synapse of vision

This study measures the input-output relations of photoreceptors in zebrafish and finds functional heterogeneity in their response to visual stimuli.

EasyEyes: Crowded Dynamic Fixation for Online Psychophysics

EasyEyes introduces a crowded dynamic fixation task to improve gaze accuracy in online psychophysics testing, reducing peeking and implausible low thresholds.

A distinct circuit for biasing visual perceptual decisions and modulating superior colliculus activity through the mouse posterior striatum

The paper shows that the posterior striatum in mice controls visual decisions through a distinct pathway, influencing superior colliculus activity differently than the dorsomedial striatum.

Covert spatial attention is uniform across cardinal meridians despite differential adaptation

This study examines how endogenous and exogenous covert attention affect orientation discrimination at cardinal meridians with and without adaptation, finding uniform effects across meridians despite differential adaptation.

Effective connectivity reveals dual-route mechanism of visual prediction precision via insula and pulvinar

This study uses fMRI and DCM to show that insula and pulvinar connectivity patterns mediate precision-weighted prediction in visual tasks, revealing a dual-route mechanism for predictive processing.

Feedback of peripheral saccade targets to early foveal cortex

The paper demonstrates image-specific foveal feedback during saccade preparation using fMRI, showing decoding of peripheral targets from foveal areas and a u-shaped decoding curve.

EEG-Based Decoding of Color and Visual Category Representations Is Reliable Within and Across Sessions

This study shows that EEG decoding of visual representations is reliable within and across sessions, tasks, and attention conditions, indicating stable visual representations.