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Posts by Cedric van den Berg

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GREAT PhD opportunity at La Trobe University in Melbourne: domestic Australian student only.

Deep-red vision and infrared sensing in jewel beetles. Field and lab studies, inc. electorphys, microscopy, behavioural assays. Team led by Dr Amanda Franklin.

PM me for more info!

3 weeks ago 12 12 0 1
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New paper out in @cp-neuron.bsky.social 🎉

What determines contextual modulation in V1? Why does the visual surround sometimes facilitate and sometimes suppress a neuron's response to its preferred stimulus?

3 weeks ago 67 31 2 0
Bernie Sander’s 2028 litmus test would strangle America’s golden goose

Bernie Sander’s 2028 litmus test would strangle America’s golden goose

Surprise! The Jeff Bezos-owned Washington Post is against my 5% billionaire wealth tax. I wonder why?

If enacted, Bezos would owe $12 billion in taxes, and an average family of 4 would receive a $12,000 direct payment.

Poor Jeff would be left with just $224 billion to survive.

1 month ago 7039 2063 190 117

New paper out on the decision strategies of bumblebees. When using visual cues to make flower choices, they switch strategy with sensory context, learning as much as necessary, but as little as possible. Based on their training time, we propose a mechanism for this switch. tinyurl.com/2r9d4jrs 🌸🐝🧠

1 month ago 21 16 1 2
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Pace of ecology drives the tempo of visual perception across the animal kingdom - Nature Ecology & Evolution Using phylogenetic comparative methods across 237 species from disparate phyla, the authors show that species with fast-paced ecologies have higher temporal resolution of perception.

Pace of ecology drives the tempo of visual perception across the animal kingdom www.nature.com/articles/s41... - new paper with Clinton Haarlem, Cliodhna Hynes and colleagues

Different species see the world as fast as they need to...

1 month ago 88 37 4 1

Out now in @currentbiology.bsky.social!

A dive into the deep history of vertebrate vision, together with @mikebok.bsky.social, @neurofishh.bsky.social and @denilsson.bsky.social

Photo credit : Vasilis Karkalas

1 month ago 46 22 3 0
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Postdoc Opening! 🚨
Thrilled to (belatedly!) share that I’ve received @hfspo.bsky.social grant in collaboration with @KatherinaPetrou "Plant-like solar tracking in a photosymbiotic animal."
We are hiring a Postdoc to join the team
@bristolbiosci.bsky.social!
Apply👇
www.jobs.ac.uk/job/DQO766/r...

1 month ago 49 21 2 2
A grey/brown male great bowerbird is looking towards the camera and in the background is a U shaped structure made of sticks, called a bower. Part of one of the walls is missing. In front of the bower is a pile of white, green and red objects called decorations that the male uses as part of his display.

A grey/brown male great bowerbird is looking towards the camera and in the background is a U shaped structure made of sticks, called a bower. Part of one of the walls is missing. In front of the bower is a pile of white, green and red objects called decorations that the male uses as part of his display.

Another stick in the wall: we removed part of male great bowerbird bower walls to test effect on courtship displays. Males didn’t just focus on rebuilding the wall, they stepped up effort across all aspects of their display, showing they flexibly invest in multiple signals tinyurl.com/4ujmkw95

2 months ago 30 7 1 1
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Bluesky Map Interactive map of 3.4 million Bluesky users, visualised by their follower pattern.

I made a map of 3.4 million Bluesky users - see if you can find yourself!

bluesky-map.theo.io

I've seen some similar projects, but IMO this seems to better capture some of the fine-grained detail

2 months ago 7238 2166 660 4554
A u shaped structure made out of sticks called a bower, built under a small tree. In front of the bower is a pile of grey, white and green objects that make up the display court. The whole scene is in dappled sunlight and shade created by the tree above.

A u shaped structure made out of sticks called a bower, built under a small tree. In front of the bower is a pile of grey, white and green objects that make up the display court. The whole scene is in dappled sunlight and shade created by the tree above.

New bowerbird paper out, we asked whether male great bowerbirds care about the light environment around the bower where they display to females. Short answer: not really. What they do care about is having a display arena with strong visual contrast on the ground. 🐦 tinyurl.com/2v7rycdz

3 months ago 48 19 0 0
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New analysis of the major qualitative differences between natural and artificial intelligence (via LLMs).

LLMs and humans form judgments differently across seven epistemological stages 🧵

osf.io/preprints/ps...

3 months ago 47 15 1 2
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Multiple anthropogenic stressors can negatively impact species but can a single stressor also have multiple, concurrent impacts? Here we show that light pollution creates several simultaneous impacts to the nocturnal movement ecology of a moth and a spider: tinyurl.com/5eku5bff (1/5)

4 months ago 84 39 4 7

Creative and important study for understanding visual processing.

4 months ago 2 1 0 0

Join us for your PhD! Apply by 15th Dec ⏰ to come to @bristolbiosci.bsky.social and study spider eyes, development and visual ecology under light pollution!

Open to all nationalities, funded incl. stipend, set in a beautiful city, and with amazing collaborators ✨

www.findaphd.com/phds/project...

4 months ago 1 3 0 0
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A new PhD opportunity in Melbourne!

4 months ago 9 10 0 0
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Thrilled to announce a Postdoc opportunity in our group on the evolutionary genetics and ecology of colour. Wonderful system, great collaborators, and room to shape your own ideas.
Apply by 7 Jan: jobs.helsinki.fi/job/13477181...

4 months ago 74 63 0 4

#colsci @micatoolbox.bsky.social

4 months ago 1 0 0 0
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Larger frogs are better mimics but are more risk-averse in a nontoxic poison frog
#Aposematism #WarningSignals #Ampibian

doi.org/10.1093/behe...

4 months ago 15 3 0 0
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Make sure you don’t miss our key dates for abstract submission and registration!

4 months ago 17 20 1 4
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Synthesis of Nature's Extravaganza: An Augmented Meta‐Meta‐Analysis on (Putative) Sexual Signals Conspicuous traits like bright colours and elaborate displays are widely thought to evolve through sexual selection, but evidence has been scattered. This meta-meta-analysis of 41 studies across 375 ...

I forgot to share that our paper came out a few months ago! We synthesise decades of research showing that conspicuous traits consistently predict attractiveness, condition, and fitness across animals. Check it out if you’re into sexual selection and signalling! doi.org/10.1111/ele....

4 months ago 10 7 0 0
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Very happy to see our opinion article out in @cp-trendsecolevo.bsky.social today. 🥳 We ask whether sexual signals can influence the evolutionary trajectory of naturally selected adaptations, such as protective colouration, for better or for worse 🧐 1/n
doi.org/10.1016/j.tr...

4 months ago 44 18 1 1
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New paper out in @behavecol.bsky.social!

Multiple studies show that sexually selected traits such as colours can reflect the presence of pathogens/parasites, but, can defensive coloration do the same? L. Schlippe Justicia, @carodittrich.bsky.social, O. Nokelainen & I tackled that question (1/3)

4 months ago 26 8 1 1

I've been pretty agnostic about mantis colour vision given the evidence so far. This new paper makes a convincing case they have the processing to do so. Mantises (probably) see in colour folks!

4 months ago 9 4 0 0
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The sensory ecology of caterpillars - Journal of Comparative Physiology A Caterpillars (larval Lepidoptera) are one of the most ecologically and evolutionarily significant taxa on Earth. As both feeders and food, they shape the dynamics of enumerate ecosystems on land. Key ...

Do you work (/want to work) with caterpillars? Or sensory systems? Or BOTH?! Well good golly do we have the paper for you! We explain the senses that caterpillars have, what they use them for, and how anthropogenic sensory pollution might be messing it all up 🐛 doi.org/10.1007/s003...

5 months ago 47 27 2 1
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BehaveAI is live!

Our biologically inspired video analysis tool sees motion as colour. Track animals or objects, classify their behaviour, and handle complex natural scenes with ease.

Semi-supervised annotation, no GPUs required, user-friendly, free & open source.

Pre-print tinyurl.com/BehaveAI

5 months ago 70 26 2 1
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Now out in Cell! Congratulations to all involved, especially
@chiarafornetto.bsky.social

For a breakdown, see the bluetorial from when we posted the preprint: bsky.app/profile/neur...

Funding: @erc.europa.eu @wellcometrust.bsky.social @ukri.org @leverhulme.ac.uk @thelisterinstitute.bsky.social

5 months ago 28 12 1 3

#colsci

5 months ago 2 0 0 0
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The cognitive ecology of wild bumblebees

New #PhD ad alert!
Interested in wild #bee #cognition and #brains in different #bumblebees? Want to live in #Newcastle and the beautiful north-east of England?

Check out this project with me, @lenariab.bsky.social and Sarah Scott. Contact me for further information.

iapetus.ac.uk/studentships...

5 months ago 52 60 2 0
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Humans perceive but animals don’t: pitfalls in using plasticine models for assessing biotic interactions buff.ly/7hcLYXx | #ProcB #Ecology

5 months ago 18 7 0 0
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Exiting career-boosting opportunity for a a skilled and highly motivated postdoctoral researcher: We're hiring a Post-doctoral fellow in Evolutionary Biology!

Please apply no later than 31 October!
lu.varbi.com/en/what:job/...

6 months ago 21 16 0 2