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Topic: visual cues

ePoster
2 ePosters
Seminar
1 seminar

In Neuroscience and Computational Neuroscience

Seminar · Behavioral Ecology

Australian Bogong moths use a true stellar compass for long-distance navigation at night

Eric Warrant · University of Lund

Mon, Apr 19, 2021 · 14:00 UTC

Each spring, billions of Bogong moths escape hot conditions in different regions of southeast Australia by migrating over 1000 km to a limited number of cool caves in the Australian Alps, historically used for aestivating over the summer. At the beginning of autumn the same individuals make a return migration to their breeding grounds to reproduce and die. To steer migration Bogong moths sense the Earth’s magnetic field and correlate its directional information with visual cues. In this presentation, we will show that a critically important visual cue is the distribution of starlight within th

ePoster · Neuroscience

Cue-invariant geometric structure of the population codes in macaque V1 and V2

Zitong Wang, Xiaoqi Zhang, Corentin Massot, Harold Rockwell, George Papandreou, Alan Yuille, Tai-Sing Lee · COSYNE 2025

Our ability to recognize objects and natural scenes whether depicted in photographs, cartoons, or just line drawings (a.k.a. visual cues) is remarkable. Here, we investigated the representation of a set of surface boundary shapes rendered in different visual cues by macaque V1 and V2 neurons. Specifically, we investigated whether the geometric structure of the population code could support the formation of a cue-invariant representation of abstract surface boundary concepts. A visual concept refers to an abstract feature, such as a boundary or contour, that remains consistent across different

ePoster · Neuroscience

Network Gain Regulates Stability and Flexibility in a Ring Attractor Network

Harshith Nagaraj, Mark P. Brandon · COSYNE 2025

The internal compass of the brain, also known as the head-direction (HD) system, forms a crucial component of the neural circuit necessary for effective spatial orientation, and includes regions such as the anterodorsal thalamic nucleus (ADN). It maintains a sense of orientation by integrating self-motion with local cues, which serve as anchors. A recent study in mice showed that network gain, a measure of population activity in the system, decreases during reorientations induced by changes in visual cues. The extent of this reduction in gain influences the dynamics of reorientation, with lowe