Visual perception and processing mechanisms

Looking for Details: Fine-Grained Visual Search at the Foveal Scale

The paper demonstrates that visual search occurs within the foveal region with high precision, challenging the traditional view that ignores fine-grained search in the central visual field.

Concurrent selection of internal goals and external sensations during visual search

This study shows internal and external selection processes can occur concurrently during visual search, challenging the idea they must take turns.

Temporal dynamics and readout latency in perception and iconic memory

The paper investigates the timing of sensory information readout in visual perception and iconic memory, finding that cue presentation before stimulus offset is necessary to access full sensory information.

Rhythmic Sampling and Competition of Target and Distractor in a Motion Detection Task

The paper investigates rhythmic sampling of target and distractor information in a motion detection task and finds that their temporal phase relationship affects task performance.

Retinal ganglion cell input to superior colliculus encodes salient information

This study shows that retinal ganglion cells encode salient visual features in the superior colliculus through their center-surround receptive fields.

Distinct Mechanisms of Surround Modulation for Dynamic Natural Scenes in Motion- and Scene-Selective Cortex

The paper investigates how motion congruence and categorical similarity between central and surrounding scenes influence surround modulation in different visual areas using fMRI.

Shared computational principles for mouse superior colliculus and primate population orientation selectivity

The paper models orientation selectivity in mouse superior colliculus to show it shares computational principles with primate visual cortex despite differences in expression.

Representational drift shows same-class acceleration in visual cortex and artificial neural networks

The paper shows that representational drift in visual cortex and neural networks is driven by sensory input rather than elapsed time, with same-class acceleration observed during stimulus presentation.

Functional architecture for speed tuning in primary visual cortex of carnivores

The paper investigates speed-tuned neurons in the primary visual cortex of carnivores, finding clustered 'hot spots' of high speed selectivity within V1.

Joint tracking of active and passive motion in the mouse visual thalamus during natural behaviour

The paper investigates how neurons in the mouse visual thalamus represent active and passive motion during natural behavior and finds that they can track both types of motion and partially separate them.

Non-uniform contextual interactions in the visual cortex place fundamental limits on spatial vision

The paper shows non-uniform contextual interactions in V1 neurons limit spatial vision by differentially impairing stimulus representation based on flanker location.

Broadband high frequency Activity initializes Distractor Suppression

The paper shows broadband high-frequency activity (BHA) predicts distractor suppression and performance in visual search tasks, indicating its role in initiating selective attention.

Spatial Attention and Session Day Independently Modulate Human Visual Cortical Plasticity

This study investigates how spatial attention and session day affect human visual cortical plasticity using SSRP and EEG, finding that potentiation increases with repeated sessions and attention enhances it in naive participants.

Developmental trajectory of cortical somatostatin interneuron function

The paper examines the developmental trajectory of somatostatin interneurons in the mouse visual cortex, showing their increasing influence on pyramidal neuron responses over time.

Contextual Scaling of Representational Uncertainty for Size and Number

The paper shows that numerosity and size discrimination performance improves when stimuli are presented sequentially from narrow ranges, suggesting context-dependent scaling of representational uncertainty.

Task-irrelevant features in working memory alter current visual processing

This study investigates how memory-irrelevant features in visual working memory affect visual processing, showing that they are temporarily represented as sensory analogs in early visual areas.

Dual-format attentional template during preparation in human visual cortex

The paper investigates how attentional templates are represented in human visual cortex during preparation, finding dual formats of non-sensory and sensory-like representations.

Natural Scene Coding Consistency in Genetically-Defined Cell Populations

The paper analyzes how genetically-defined cell populations encode natural scenes versus static gratings, finding that inhibitory cells show consistent encoding across individuals, and introduces IIRS as a metric for coding capacity.

Temporal dynamics of peri-microsaccadic modulations within the foveola

The paper investigates the temporal dynamics of visual performance modulations during microsaccades in the central fovea, showing performance peaks before microsaccade onset and recovers after landing.

Serial dependence in the perception of proportion

This study investigates serial dependence in proportion perception, finding repulsive and attractive biases depending on stimulus features and confidence.

Mid-level visual features engage V4 to support sparse object recognition under uncertainty

This study shows that mid-level visual features, specifically curve segments, enable better object recognition under uncertainty by engaging V4, offering advantages over phosphene-like dots in cortical prostheses.

Unpacking the V1 map: Differential covariation of preferred spatial frequency and cortical magnification across spatial dimensions

The paper examines how cortical magnification and preferred spatial frequency in V1 covary with eccentricity and polar angle, finding proportionality in eccentricity but not polar angle.

Relative-location tuning in five frontal areas in a rhesus monkey

The paper investigates relative-location tuning in five frontal areas of macaque monkeys, finding that neurons encode spatial information based on relative object positions rather than absolute coordinates.

Active Sampling and Sex Differences in Perceptual Decision Making in Rats

This study examines sex differences in perceptual decision making in rats, finding that females sample longer and show a negative association between sampling duration and drift rate.

Visual representations in the human brain rely on a reference frame that is in between allocentric and retinocentric coordinates

The paper investigates whether visual information in the human brain is represented in an allocentric or retinocentric reference frame using EEG and head tilt manipulations, finding an intermediate representation.

Frame Effects Across Space and Time

The paper investigates the frame effect, showing that moving frames influence perceived probe positions spatially but not temporally, with displacement being more critical than motion signals.

Manifold Transform by Recurrent Cortical Circuit EnhancesRobust Encoding of Familiar Stimuli

This paper develops a computational model of recurrent cortical circuits that explain familiarity suppression in the visual system and show how it enhances robust encoding of familiar stimuli.

Visual working memory-related saccade biases are amplified by task demands, without updating working memory content

This study shows that task demands amplify corrective saccade biases related to visual working memory, without affecting memory content updating.

Re-emergence of orientation coding in primate IT cortex and deep networks reveals functional hubs for visual processing

The paper shows orientation coding re-emerges in primate IT cortex and deep networks through functional hubs, not redundancy, highlighting their role in integrative visual processing.

Population responses in V1 encodes stimulus visibility in backward masking

This study investigates how backward masking affects stimulus visibility in V1 by analyzing population responses and behavioral performance in monkeys.