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Computational and Systems Biology
A locally-blazed ant trail achieves efficient collective navigation despite limited information
Ehud Fonio et al.
Ants employ a new kind of trail to resolve group-level navigational difficulties in scenarios where the information available to individuals does not suffice.
Seminal fluid compromises visual perception in honeybee queens reducing their survival during additional mating flights
Joanito Liberti et al.
After insemination, honeybee queens experience a rapid reduction in vision and flight performance, consistent with an ongoing sexual conflict over the number of mating flights that queens embark on.
Conditioning sharpens the spatial representation of rewarded stimuli in mouse primary visual cortex
Pieter M Goltstein et al.
Stimulus-reward learning sharpens the local representation of the visual space while leaving the overall retinotopic map intact.
Body side-specific control of motor activity during turning in a walking animal
Matthias Gruhn et al.
Turning in an insect is the combined result of body-side-specific modifications in processing of local sensory feedback, and modification of local central pattern generator activity.
Positive and negative incentive contrasts lead to relative value perception in ants
Stephanie Wendt et al.
Relative value perception, a basic tenant of Behavioural Economics, is demonstrated in an insect, and further shown to be driven by cognitive processes and induced by private and social information.
Physics of Living Systems
Ant collective cognition allows for efficient navigation through disordered environments
Aviram Gelblum et al.
When real ants confront the classical 'Ant-in-a-labyrinth' physics problem where a random walker traverses a percolated environment, they employ active extended sensing and collective cognition to outperform passive physical solutions.
Genetics and Genomics
Polygenic Scores: It is time to get real when trying to predict educational performance
A study of 3,500 children in the UK shows that data on socioeconomic background and previous educational achievements can better predict how students will perform at school than genetic data.
Brain Evolution: Adaptations to extreme conditions
Barbara S Beltz
The brain architecture of shrimp living in deep-sea vents provides clues to how these organisms have adapted to extreme living.
Navigation: Shedding light on stellate cells
Andrew S Alexander, Michael E Hasselmo
The relationship between grid cells and two types of neurons found in the medial entorhinal cortex has been clarified.
Axons: The cost of communication in the brain
Brian A MacVicar et al.
Imaging ATP in axons reveals that they rely on glucose from the blood and lactate produced by glial cells as sources of energy.
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