Neuron Explorer

Qwen3-0.6B

digits inside years like 1976

A neuron in layer 22 of Qwen3-0.6B. Its strongest snippets are very consistent: they mostly peak on the same token. It is featured, so it has steering outputs.

What this neuron does

This neuron fires on the digit inside a year, mainly the second digit of the 1900s, such as the 9 in 1976. It is the opposite for chemistry formulas and math code, where it goes strongly negative. Steering did not produce a clear theme.

Written by Claude from this neuron's activations and steering outputs. Confidence: low. Think it is wrong? Flag it (opens a prefilled issue on GitHub).

Fires most on

The text windows where this neuron's activation was highest. Amber marks positive activation; the outlined token is the peak. Hover a token for its strength.

  1. #1 peak

    South Vietnamese and Cambodian refugees.⏎In 1976 Britain and France began trans-Atlantic service with their Concorde sup

  2. #2 peak

    production will be the most affected by climate change by 2030. This would lead to food insecurity, which in turn could lead to

  3. #3 peak

    a former diamond mining town whose population steadily declined after WWI, when diamond prices crashed, and Balestrino, Italy, whose inhabitants were moved in 1953 after several earthquakes brought them to the conclusion that the area was geologically

  4. #4 peak

    Exposure Situations, Emergency Preparedness and Response<|endoftext|>A tramway built by the military engineers to transfer supplies and wounded soldiers in Korea.⏎Korea Date:1951 Duration:6 min 12 sec Sound:Yes⏎The Punch

  5. #5 peak

    ⏎- other public and private sources.⏎The official seal of the CIA, however, may NOT be copied without permission as required by the CIA Act of 1949 (50 U.S.C. section 403m).

  6. #6 peak

    0 years. But it was once used as an office to handle U.S.-North Korean matters. The office was set up after an agreement signed in 1995 that gave Sweden permission to serve as America’s “protective power”

Steering

Push this neuron up or down while the model writes, and watch what changes. The outputs were generated ahead of time, so nothing runs in your browser.

turned down a lot
Prompt

Here is something I have been thinking about lately: 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.1 2.2 2.3

Most negative on

Where the activation went furthest below zero. Blue marks negative activation. Many neurons mean something different in each direction.

  1. #1 peak

    benign, "aborted<|endoftext|>Recall that the conjugate base of an acid is simply the compound formed when an acid loses a hydronium ion (H+).⏎Which the following represent conjugate acid–base pair? For the pair

  2. #2 peak

    Chemistry, Stanford University⏎The goal of this project is to develop efficient strategies for using renewable sources of electricity to produce energy-dense liquid fuels from carbon dioxide (CO2) and biomass. Researchers will develop new families of electrocatalysts for

  3. #3 peak

    2x√(1+x6)⏎Comment. There is no need to integrate and then differentiate by x.⏎If you want to type x6 instead of x^6 simply type x6, highlight only 6 and click on the icon

  4. #4 peak

    ers, bridges, and other structures, dramatically reducing carbon dioxide. Every ton of cement manufactured for use in concrete emits a ton of the greenhouse gas carbon dioxide (CO2) into the atmosphere. Worldwide, cement production accounts for about 5%

Connections

Show on map

Which neurons in earlier layers feed this one, and which later ones it feeds. Amber links excite, blue links suppress; longer bars are stronger.

Fed by earlier layers

  1. L19:521 excites
  2. L20:393 suppresses
  3. L18:395 excites
  4. L20:1689 excites
  5. L21:134 excites
  6. L20:1462 excites
  7. L20:2731 suppresses
  8. L19:1918 suppresses
  9. L20:2144 excites
  10. L20:1050 suppresses
  11. L18:1146 suppresses
  12. L19:1435 suppresses
  13. L18:360 weakly excites
  14. L20:2130 weakly excites
  15. L20:282 weakly suppresses
  16. L20:641 weakly excites
  17. L16:2135 weakly suppresses
  18. L16:679 weakly suppresses
  19. L20:2657 weakly excites
  20. L11:2162 weakly suppresses
  21. L19:659 weakly suppresses
  22. L20:915 weakly excites
  23. L19:450 weakly suppresses
  24. L16:2310 weakly excites

Feeds later layers

  1. L26:1056 suppresses
  2. L27:278 suppresses
  3. L27:1574 suppresses
  4. L27:254 suppresses
  5. L27:37 weakly excites
  6. L27:267 weakly suppresses
  7. L27:2061 weakly suppresses
  8. L27:1442 weakly suppresses
  9. L26:393 weakly suppresses
  10. L26:530 weakly suppresses
  11. L24:294 weakly suppresses
  12. L27:1048 weakly suppresses
  13. L25:487 weakly suppresses
  14. L25:443 weakly suppresses
  15. L26:205 weakly suppresses
  16. L25:454 weakly excites
  17. L26:59 weakly excites
  18. L23:2565 weakly suppresses
  19. L27:489 weakly suppresses
  20. L25:84 weakly suppresses
  21. L25:2245 weakly excites
  22. L25:762 weakly suppresses
  23. L27:1982 weakly suppresses
  24. L26:1243 weakly suppresses

Activation histogram

How often this neuron fires at each strength. Almost always it does close to nothing (the tall bars in the middle); the snippets above are the rare moments it fired hard, amber for positive and blue for negative.

1 values between -20.39 and -19.721 values between -17.70 and -17.021 values between -16.35 and -15.671 values between -15.67 and -15.001 values between -15.00 and -14.321 values between -14.32 and -13.652 values between -13.65 and -12.983 values between -10.95 and -10.284 values between -10.28 and -9.612 values between -9.61 and -8.933 values between -8.93 and -8.264 values between -8.26 and -7.586 values between -7.58 and -6.918 values between -6.91 and -6.2414 values between -6.24 and -5.5613 values between -5.56 and -4.8920 values between -4.89 and -4.2146 values between -4.21 and -3.5444 values between -3.54 and -2.8791 values between -2.87 and -2.19181 values between -2.19 and -1.52294 values between -1.52 and -0.84713 values between -0.84 and -0.172016 values between -0.17 and 0.50402 values between 0.50 and 1.1815 values between 1.18 and 1.8510 values between 1.85 and 2.532 values between 2.53 and 3.201 values between 3.20 and 3.875 values between 3.87 and 4.552 values between 4.55 and 5.221 values between 5.90 and 6.57offnegativepositiveoften

Logit lens

The words this neuron nudges the model toward (amber) or away from (blue) when it fires. A hint, not a label: many neurons work through later layers instead.

Promotes

  1. inski
  2. hers
  3. rale
  4. RING
  5. Affero
  6. 很满意
  7. asher
  8. vie
  9. ionale
  10. ="<<

Suppresses

  1. ⁄
  2. �
  3. 〈
  4. �
  5. {\
  6. �
  7. $
  8. Formula
  9. .sub
  10. c