RT Raghavan

Engineer formerly @NYU. Tweets are mine.

[Sonica Saraf (@sonicasaraf.bsky.social) @SarafSonica]

In many brain areas, neuronal tuning is heterogeneous. How does this diversity help behavior? We show how tuning diversity shapes representational geometry and boosts coding efficiency for perception in our new preprint: https://t.co/mVhtABFHkE
(with @s_y_chung & Tony Movshon)

[SueYeon Chung @s_y_chung]

Ever wondered what gives rise to efficient neural population geometry? Our lab’s new work, led by @SarafSonica (with Tony Movshon), shows how diversity in single-neuron tuning shapes population-level representation geometries to improve perceptual efficiency. Proud of Sonica’s first paper from our group!

[Mark Rossi @WhoIsMarkRossi]

Excited to share our newest paper led by @kuldeepshrivas3 out now in @NatureComms
https://t.co/CE4pDaLlUw
1/

[Vigi Katlowitz @Vigi_Katlowitz]

More science! We show that consciousness isnt a required component of core cognitive functions. https://t.co/gSRErRkl2A

[RT Raghavan @rtraghavan]

@KordingLab @steve_lisberger

[RT Raghavan @rtraghavan]

Follow up thought. In my opinion, NeuroAI is just rebranding of cognitive science but geared towards funneling money to neuro depts and labs from the tech sector. If it were me I would just fund depts in cognitive psychology/science more.

[RT Raghavan @rtraghavan]

I think this just means train more electrical/biomedical engineers. Am I missing something?

[RT Raghavan @rtraghavan]

Neuroscience is Marrist-Dominated in Sebastian and @jpillowtime s world. Yet I haven’t met anyone in practice breaking up a problem using Marrs framework ever. I can think of max 4 examples where people even tried to historically. Next we will announce lemarckianism is dead.

[Sebastian Seung @SebastianSeung]

Marr's three levels are dead. AI killed them.

[RT Raghavan @rtraghavan]

@analog_ashley @ProfRausch I think this is only true for R1s.

[RT Raghavan @rtraghavan]

I think this just means train more electrical/biomedical engineers. Am I missing something?

[Jascha Achterberg @achterbrain]

Last year @TonyZador et al called to train a new generation of AI researchers, equally at home in engineering/computer science & neuroscience to accelerate our understanding of the nature of intelligence, but how can we get this interdisciplinary training right? 🧵@NatureComms

[RT Raghavan @rtraghavan]

There is inevitably quite a bit of psychological trauma associated with the loss of one’s motor control in disorders like Parkinson’s and ataxia. I wonder if studies of the cognitive deficits of these disorders underestimate this, mistaking the symptoms for the cause.

[RT Raghavan @rtraghavan]

@gershbrain @martisamuser Spiking activity somewhere, perhaps. The BOLD signal doesn’t have to directly reflect local spiking activity. See figure 3

Logothetis 2003. https://t.co/VDjYsOAvt9

[RT Raghavan @rtraghavan]

A few perspective pieces I've read make a lasting impact in my head. This one, John Maunsell, is an example. The opening paragraph always gets me. https://t.co/sbReidAgRx

[Mark Rossi @WhoIsMarkRossi]

New preprint from @kuldeepshrivas3 looking at how BNST and lateral hypothalamic glutamatergic neurons coordinate reward seeking based on energy state.

https://t.co/JCso9MJwGB

[Sara Fenstermacher @sjfenstermacher]

Excited to share that my postdoc work is now on bioRxiv! We identify a role for spinal-projecting serotonergic neurons in control of locomotor behavior. 

https://t.co/M2rLV9HAZW

[RT Raghavan @rtraghavan]

@ElliotMurphy91 Great paper but I fail to see how this addresses the most important question on linguistics twitter. How does this result refute Chomsky?

[Anders Nelson @AndersMNelson]

💥We are recruiting postdocs to study motor control and sensory feedback circuits!💥 E-mail me or apply here: https://t.co/W4l3b8lTA0

[RT Raghavan @rtraghavan]

Neuroscience graduate programs would do better by their students if they swapped one of their stock principles of behavioral/systems neuro courses for a required online CAD class.

[RT Raghavan @rtraghavan]

@ElliotMurphy91 Dr. Manhattan: it’s February 1973 and an article is published claiming Chomsky is wrong about language models.

Dr. Manhattan: It’s 2024 and an article is published claiming Chomsky is wrong about language models.

[RT Raghavan @rtraghavan]

Am I the only one who thinks many recent large-scale electrophysiology and imaging studies resemble the fMRI studies I heard plenty of neuroscientists mock a decade ago? I guess we are all on the same page now.

[RT Raghavan @rtraghavan]

@EricMTrautmann Labjack?