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Kamran Diba

@sharpwaveripple

Sleep, neurons, memory, and replay

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19.11.2024
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Latest posts by Kamran Diba @sharpwaveripple

My Republican colleagues must take notice:

The U.S. cannot base foreign policy on whether or not a president gets a prize.

This is pathetic.

It is petty and dangerous narcissism β€” behavior we might expect from a spoiled child, not the leader of a democratic nation.

19.01.2026 21:47 πŸ‘ 2547 πŸ” 604 πŸ’¬ 158 πŸ“Œ 38
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Dr. Gladys West, Mathematician Whose Work Made GPS Possible, Dies at 95 ALEXANDRIA, VA β€” Dr. Gladys West, the pioneering mathematician whose work laid the foundation for modern GPS technology, has died. She passed away

Dr. Gladys West, the pioneering mathematician whose work laid the foundation for modern GPS technology, has died. She was 95.

19.01.2026 18:00 πŸ‘ 27283 πŸ” 9627 πŸ’¬ 549 πŸ“Œ 502
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Ann Arbor Indivisible march and rally on State Street and N. University January 10, 2026

10.01.2026 20:41 πŸ‘ 6 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0

The new Cajal Center is opening 8 CSIC permanent research positions (CT, IC & PF levels) via national competitive exams. We welcome candidates eager to shape an ambitious 🧠 research hub in Spain.
πŸ”— sede.csic.gob.es/tramites/con... πŸ“£
#Neuroscience #CNC #CSIC #ScienceJobs πŸ‘‡πŸΌ

08.01.2026 06:31 πŸ‘ 20 πŸ” 14 πŸ’¬ 0 πŸ“Œ 0

It’s definitely taking me longer to complete my reviews right now. And that seems to be the case with the manuscripts I have in review as well. So my guess is yes, and yes.

09.12.2025 20:07 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I think almost all scientific projects should be planned carefully. And I think an app can dramatically improve that. So I wrote an app for that (free for now, if you can fund this let me know). I tested it quite a bit (>8000 users in beta so far). try it: planyourscience.com

20.11.2025 15:32 πŸ‘ 62 πŸ” 22 πŸ’¬ 1 πŸ“Œ 2
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Just out in Nature! β€œThe astrocytic ensemble acts as a multiday trace to stabilize memory.” We identified astrocytic ensembles that link experiences across days to stabilize memory nature.com/articles/s41.... New astrocyte tools are openly available at Addgene: addgene.org/Jun_Nagai/. 1/8

15.10.2025 16:11 πŸ‘ 82 πŸ” 27 πŸ’¬ 4 πŸ“Œ 3

Yes. Important for all NIH people and scientists:

The executive orders are not law. The President *cannot* make laws.

And in fact, executive orders may violate the law. As a federal employee, you are obligated not to follow illegal orders. That includes illegal EOs.

12.02.2025 13:34 πŸ‘ 1482 πŸ” 417 πŸ’¬ 15 πŸ“Œ 9
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Neuroeconomics Summer School

announcing this year's neuroeconomics summer school, this time outside paris. too many great lecturers to list, even too many great organizers (plassmann,glimcher,tymula,kable,me). & you wouldnt believe all the past students and where they are now. sign up: www.insead.edu/events/neuro...

10.02.2025 02:26 πŸ‘ 43 πŸ” 17 πŸ’¬ 0 πŸ“Œ 1

This is not just a "pause." It is an unlawful destruction now.

Foreign aid is a cornerstone of national security with diplomacy and defense. USAID's work reaches 100s of millions worldwide and America will be harmed.

Here are some of the lives at stake.

03.02.2025 13:05 πŸ‘ 2928 πŸ” 960 πŸ’¬ 46 πŸ“Œ 24

I'm searching for possibilities of funding to cover a sabbatical year as visiting professor abroad in 2026. I'm very interested to collaborate with international researchers within the field of sleep and memory. Please let me know if something interesting comes up.

26.01.2025 19:18 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

I want to highlight a special issue in honor of Sarah DuBrow, a brilliant scientist and dear friend who passed away in 2022.

We contributed a paper in which we disentangled the importance of temporal and causal relationships while participants recalled the non-linear narrative, Memento. 🧡 ⬇️ 1/9

24.01.2025 16:02 πŸ‘ 42 πŸ” 17 πŸ’¬ 1 πŸ“Œ 0
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Hippocampal neuronal activity is aligned with action plans - Nature Using high-density electrophysiological recordings, how internally generated cell assemblies are updated by action plans to meet external goals is explored.

It’s an incredible feeling to see something you’ve poured your heart into come to life. This work was born from my curiosity about hippocampal β€œcognitive tuning.”
Our interpretation of the environment depends on our actions, constantly evolving as we pursue our goals

www.nature.com/articles/s41...

09.01.2025 22:36 πŸ‘ 184 πŸ” 47 πŸ’¬ 5 πŸ“Œ 3
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Daily rhythms drive dynamism in sleep, oscillations and interneuron firing, while excitatory firing remains stable across 24 h Electrical patterns in the mouse hippocampus are dynamic across the 24-h (12:12 light:dark) day. Inhibitory neurons show rhythmicity in firing across the day, peaking around light transitions; meanwh...

Our new paper is out!: While hippocampal inhibitory neurons fluctuate around the 24 hour clock, excitatory neuron overall activity remains stable all day long.

Congrats to Nicolette Ognjanovski and team!
onlinelibrary.wiley.com/doi/10.1111/...

15.12.2024 14:17 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Rare case where a model 1) accounts for counterintuitive data "out of the box" (untuned visual input can differentially affect in- vs out-field HD neurons), and 2) provides its own counterintuitive insight (vis input to the HD system must be *reduced* by vis objects).

02.12.2024 18:21 πŸ‘ 22 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0