[HTML][HTML] Polar angle asymmetries in visual perception and neural architecture

MM Himmelberg, J Winawer, M Carrasco - Trends in Neurosciences, 2023‏ - cell.com
Human visual performance changes with visual field location. It is best at the center of gaze
and declines with eccentricity, and also varies markedly with polar angle. These perceptual …

Cortical magnification eliminates differences in contrast sensitivity across but not around the visual field

M Jigo, D Tavdy, MM Himmelberg, M Carrasco - elife, 2023‏ - elifesciences.org
Human visual performance changes dramatically both across (eccentricity) and around
(polar angle) the visual field. Performance is better at the fovea, decreases with eccentricity …

Effort drives saccade selection

D Koevoet, LV Zantwijk, M Naber, S Mathôt… - bioRxiv, 2024‏ - biorxiv.org
What determines where to move the eyes? We recently showed that pupil size, a marker of
noradrenaline release, reflects the effort associated with making a saccade ('saccade costs') …

Effects of spatial location on distractor interference

D Kerzel, M Constant - Journal of Vision, 2024‏ - jov.arvojournals.org
When target and distractor stimuli are close together, they activate the same neurons and
there is ambiguity as to what the neural activity represents. It has been suggested that the …

Diverse GABA signaling in the inner retina enables spatiotemporal coding

A Matsumoto, J Morris, LL Looger, K Yonehara - biorxiv, 2024‏ - biorxiv.org
Summary paragraph GABA (ψ-aminobutyric acid) is the primary inhibitory neurotransmitter
in the mammalian central nervous system (CNS),. There is a wide range of GABAergic …

The Bouma law accounts for crowding in fifty observers

JW Kurzawski, A Burchell, D Thapa, J Winawer… - bioRxiv, 2021‏ - biorxiv.org
Crowding is the failure to recognize an object due to surrounding clutter. Our visual
crowding survey measured 13 crowding distances (or “critical spacings”) twice in each of 50 …

[HTML][HTML] Do microsaccades vary with discriminability around the visual field?

S Purokayastha, M Roberts, M Carrasco - Journal of vision, 2024‏ - tvst.arvojournals.org
Microsaccades—tiny fixational eye movements—improve discriminability in high-acuity
tasks in the foveola. To investigate whether they help compensate for low discriminability at …

Asymmetries in foveal vision

SK Jenks, M Carrasco, M Poletti - bioRxiv, 2024‏ - biorxiv.org
Visual perception is characterized by known asymmetries in the visual field; human's visual
sensitivity is higher along the horizontal than the vertical meridian, and along the lower than …

Testing hemifield independence for divided attention in visual object tasks

DV Popovkina, J Palmer, CM Moore… - Journal of …, 2023‏ - jov.arvojournals.org
In this study, we asked to what degree hemifields contribute to divided attention effects
observed in tasks with object-based judgments. If object recognition processes in the two …

Enumeration across the visual field

T Schubert - Nature Reviews Psychology, 2023‏ - nature.com
These results imply that numerical estimation might rely on attention. Humans are capable of
enumerating visual items using different processes depending on the number of items …