TK (Takashi DY) Kozai

TK (Takashi DY) Kozai

@bioniclab.bsky.social

Ernest E Roth Professor. Dept Bioengineering, University of Pittsburgh. BionicLab.org Neural Engineering; Neural Interfaces: Neurostimulation; Neurocomputation

2.4K followers3.1K following1K posts

100,000 people signed a petition to save Mass Effect in 48 hours. I keep thinking about that number. The brain implants in that game aren’t science fiction anymore. I work on the real ones.

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100,000 people showed up for the game. I’d take a fraction of that for the thing the game is about. Call your rep at (202) 224-3121. Ask them to fund the NIH and NSF and keep politics out of peer review. More on why these implants fail: bioniclab.substack.com/s/why-bcis-f...

bioniclab.substack.comWhy BCIs Fail | Takashi (T.K.) Kozai | SubstackOver the next few weeks, I'll walk through the main reasons BCIs fail. Some are mechanical. Some are biological. Some are conceptual. The way we've been thinking about the problem has been incomplete....

100,000 people signed a petition to save Mass Effect in 48 hours. I keep thinking about that number. The brain implants in that game aren’t science fiction anymore. I work on the real ones.

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No company pays a student for six years to chase a question with no product at the end. The NIH and NSF do. Those grants are being pulled right now. My own funding slowed this year. I know people who’ve watched a lab empty out, and years of training walk out with them.

The NIH has also floated hiding peer-review scores from the scientists who earn them, and handing part of the funding decision to a political appointee. Congress mostly kept the budget. The grants are being cut anyway. I don’t know how many of these labs come back.

100,000 people signed a petition to save Mass Effect in 48 hours. I keep thinking about that number. The brain implants in that game aren’t science fiction anymore. I work on the real ones.

We still don’t fully understand what the electrodes do to the brain. One of my students studies the support cells around neurons. Another tracks the tiny blood vessels at the tip, which stop pulsing right and starve the tissue. These are slow questions. They take years.

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Cut the animal work now, betting these methods will someday integrate, and you lose the ground truth they are measured against. New approach methods deserve funding. They are not yet ready to replace the living animal.

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My lab works in live transgenic mice, bred so specific cells glow while the brain is awake. In one animal I watch the inhibitory neurons, the blood vessels, and the immune cells at once, under the same stimulation. The failures I study live in the cross-talk between them.

This fall we found the same neurons that quiet a circuit also open its blood vessels, so the circuit and its blood supply fail as one. No chip shows that. No model shows it either, because the models are built from the animal data to begin with.

The rule looks small: swap "animal" for "nonclinical" across its drug safety regulations. The word change is minor. The direction behind it is not, and it rests on a promise that new approach methods can stand in for animal research now.

Cell assays, organ chips, computer models. All worth building, all improving. But they model one system at a time, and they cannot capture integration across systems and cell types. That is the biology my work is about.

One day left to comment. NIH wants to hide the peer review score, not just from applicants, but from the program officers and councils who decide what gets funded. The comment window closes tomorrow, October 13.

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A grant at the 2nd percentile and a grant at the 24th percentile get the same label under this plan. A program officer choosing between them can no longer see which grant the panel ranked higher. Remove the score, and the choice still gets made, where no one can watch it.

One day left to comment. NIH wants to hide the peer review score, not just from applicants, but from the program officers and councils who decide what gets funded. The comment window closes tomorrow, October 13.

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Program officers could already do that. A program officer could always fund a 28th-percentile grant that fills a gap over a 20th-percentile grant that repeats funded research, through select pay, with the score in plain sight and the decision on the record.

One day left to comment. NIH wants to hide the peer review score, not just from applicants, but from the program officers and councils who decide what gets funded. The comment window closes tomorrow, October 13.

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Not the applicant. Not the institution. Not the program officer who writes the funding plan. Not the council that approves it. The score gets made, and the score gets buried, from every person who uses the score to decide what comes next.

One day left to comment. NIH wants to hide the peer review score, not just from applicants, but from the program officers and councils who decide what gets funded. The comment window closes tomorrow, October 13.

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The list still cannot tell you whether the work is any good. I am happy to be on the list. I would never fund or judge anyone by the list. NIH wants to repeat that error and go further.

One day left to comment. NIH wants to hide the peer review score, not just from applicants, but from the program officers and councils who decide what gets funded. The comment window closes tomorrow, October 13.

I found out today I have been on the Stanford-Elsevier Top 2% Scientists list since 2020. Six years, never checked. The list blends citations, h-index, and how much of the credit is really yours. Someone built the list carefully.

TK (Takashi DY) Kozai reposted

The immediate threat of the EO seems to have passed, but the greater attack on science by this administration is almost certainly not over. Some good thoughts on what we should be doing. I would add: get organized. Build connections and community. Many voices are louder than one.

Joshua Weitz@joshuasweitz.bsky.social

If you missed it... My long-form thoughts on ongoing efforts by the administration to issue an executive order that would deliver veto power over grants to OMB Director Vought: "An Emperor of All Malice: On White House Efforts to Seize Control of NIH Funding"

TK (Takashi DY) Kozai reposted

The Trump admin keeps trying ways to break and take over NIH and we keep pushing back and winning. Two takeaways: 1. Together we have power; your voice matters. 2. This isn’t over; they are going to keep trying more ways to take over NIH and science for their political ends. Be ready!

anil oza@aniloza.bsky.social

Confirming the White House’s planned EO to exert more political control on NIH seems to be “dead” www.statnews.com/2026/09/23/n...

Touch evoked by cortical stimulation dies within minutes. Tired neurons get the blame. However, inhibitory cells in mouse cortex keep firing while the excitatory ones fall silent. BRIDGE-STIM 2027 puts the human, monkey, and mouse teams in one room. Pittsburgh, May 17–19.

TK (Takashi DY) Kozai reposted

On the diversion of several billion dollars from #NIH to the Department of Defense (NYT today reports it’s up to “one third of the NIAID budget” and that Trump NIH director Bhattacharya signed the deal.) The big question I have: Is this is an end run around peer review? 1/

TK (Takashi DY) Kozai reposted

When I interviewed at Michigan for their Biomedical Engineering PhD, the chair told me I was an experiment. He meant it descriptively. The program had only ever accepted engineering majors. I had a biology degree from Colorado. 🧵

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That flexibility is not free. It requires funding that supports wider training pathways than a strict-payline system allows. Right now it is eroding, because funding pressure forces programs to take only the safest students.

The most generative scientists I have known were all experiments once. Defending the system means defending the next student told, honestly, that they are an experiment and that the institution is willing to find out. #NIH #GradTraining

When I interviewed at Michigan for their Biomedical Engineering PhD, the chair told me I was an experiment. He meant it descriptively. The program had only ever accepted engineering majors. I had a biology degree from Colorado. 🧵

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The experiment worked. I now run a BME lab with students from biology, engineering, neuroscience, materials science, and CS. I tell some of them, when they arrive, that they are experiments too. We find out together.

When I interviewed at Michigan for their Biomedical Engineering PhD, the chair told me I was an experiment. He meant it descriptively. The program had only ever accepted engineering majors. I had a biology degree from Colorado. 🧵

He wasn't sure the program could absorb someone with my background. He was saying out loud what every admissions decision implies when it takes a student off the expected track. We don't know if this will work. We'll find out.

What I heard was that the system had room for me. Not that I would fail, that I was new. New is hard, but new is not wrong. Admitting me while naming the uncertainty was a kind of institutional honesty that is rare.

TK (Takashi DY) Kozai reposted

9 lessons from Bethesda Declaration organizers on how to rescue US science: www.ovid.com/jnls/dartmou... 1. Scientists can no longer safely claim the privilege of being outside of, or above, politics 2. Inaction can be riskier than action. 3. Progress requires work. 4. Do not wait for someone else.

ovid.comNine lessons from Bethesda Declaration organizers... : Dartmouth Journal of Healthcare Delivery ScienceAbstract was not provided for this article.
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Next steps. Commenting has closed, but two levers remain. Ask your members of Congress for peer-review protections in FY2027 appropriations. Push your state attorney general to weigh in, since state AGs led the win against the indirect-cost cap.

TK (Takashi DY) Kozai reposted

Infectious disease researcher Jason Walsman, facing cuts to National Science Foundation funded research, has decided to leave the University of Pittsburgh for China