Showing posts with label vision. Show all posts
Showing posts with label vision. Show all posts
Wednesday, July 10, 2024

From nematodes to humans a common brain network motif intertwines hierarchy and modularity.

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Pathak et al. (abstract below) suggest the evolved pattern they describe may apply to information processing networks in general, in partic...
Monday, March 11, 2024

How AI’s GPT engines work - Lanier’s forest and trees metaphor.

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Jaron Lanier does a piece in The New Yorker titled " How to Picture A.I. " (if you hit the paywall by clicking the link, try openi...
Monday, October 16, 2023

Using AI to find retinal biomarkers for patient sex that opthalmologists can be trained to see.

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Delavari et al. do a demonstration of using AI to find aspects of human retina images that identify whether they are male or female retinas...
Monday, October 10, 2022

A sleeping touch improves vision.

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Interesting work reported by Onuki et al. in the Journal of Neuroscience :    SIGNIFICANCE STATEMENT Tactile sensations can bias our visu...
Wednesday, March 02, 2022

AI-synthesized faces are indistinguishable from real faces and more trustworthy

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A sobering open source aricle from Nightingale and Farid than suggests the impossibility of sorting our the real from the fake. Synthesized...
Wednesday, July 07, 2021

Some people have no "Minds Eye"

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Carl Zimmer does a nice piece on the tens of millions of people who don't experience a mental camera. The condition has been named apha...
Thursday, June 03, 2021

Optogenetics used to induce pair bonding and restore vision.

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I want to note two striking technical advances that make use of the light activated protein rhodopsin that I spent 36 years of my laboratory...
1 comment:
Friday, April 16, 2021

Vision: What’s so special about words?

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Readers are sensitive to the statistics of written language. New work by Vidal et al. suggests that this sensitivity may be driven by the s...
Tuesday, January 19, 2021

A third visual pathway specialized for social perception.

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Fourty years after Ungerleider and Mishkin proposed our current model of the primate cortex as using two major visual pathway along its vent...
Friday, August 21, 2020

Gaze deflection reveals how gaze cueing is tuned to extract the mind behind the eyes

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Here is a fascinating bit from Colombatto et al. :   Significance We report an empirical study of gaze deflection—a common experience ...
Friday, April 17, 2020

Looking at pictures makes your brain’s visual cortex swell!

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Wow, talk about dynamic neuroplasticity... Mansson et al (open source) take observations of how rapidly our brains can change to a whole n...
2 comments:
Friday, December 13, 2019

Our visual system uses recurrence in its representational dynamics

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Fundamental work from Kietzmann et al. shows how recurrence - lateral and top-down feedback from higher to the more primary visual areas of...
Friday, August 23, 2019

What we see is biased by ongoing neural activity.

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Rassi et al. (open source) show that ongoing neural activity in our brain, as in the fusiform face area, can influence what we perceive in ...
Friday, July 26, 2019

Deindividuation of outgroup faces occurs at the earliest stages of visual perception.

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From Hughes et al : A hallmark of intergroup biases is the tendency to individuate members of one’s own group but process members of other ...
Friday, July 19, 2019

It’s never simple...The tidy textbook story about the primary visual cortex is wrong.

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When I was a postdoc in the Harvard Neurobiology department in the mid-1960’s I used to have afternoon tea with the Hubel and Weisel group....
Tuesday, March 19, 2019

MRI can detect the content of decisions 11 seconds before they are made.

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Goldhill points to and summarizes work of Koening-Rober and Pearson . Their abstract: Is it possible to predict the freely chosen content ...
1 comment:
Thursday, February 21, 2019

Watching social influence start to bias perceptual integration as children develop

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From Large et al. : The opinions of others have a profound influence on decision making in adults. The impact of social influence appears ...
Tuesday, August 07, 2018

How pupil mimicry promotes trust.

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Prochazkova et al. show that pupil mimicry promotes trust through our theory of mind brain network: Significance Trusting others is c...
Friday, July 13, 2018

Playing with proteins in virtual reality.

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Much of my mental effort while I was doing laboratory research on the mechanisms of visual transduction (changing light into a nerve signal ...
Wednesday, March 28, 2018

Logic in babies.

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Halberda does a commentary on work of Cesana-Arlotti et al. showing that one essential form of logical inference, process of elimination, ...