© Neuronpedia 2026
    Privacy & TermsBlogGitHubSlackTwitterContact
    Neuronpedia logo - a computer chip with a rounded viewfinder border around it

    Neuronpedia

    Natural Language
    Autoencoders
    NEW    Assistant AxisNEWCircuit TracerUPDATESteerSAE EvalsExportsAPI Community BlogPrivacy & TermsContact
    1. Home
    3. Joseph Bloom · Open Source Sparse Autoencoders for all Residual Stream Layers of GPT2-Small
    5. GPT2-Small
    7. Residual Stream
    9. 1-RES-JB
    11. 3864
    Prev
    Next
    INDEX
    Explanations

    terms related to brain regions, especially the prefrontal cortex

    oai_token-act-pair · gpt-3.5-turbo

    references to various regions of the brain and their functions

    oai_token-act-pair · gpt-4o-miniTriggered by @bot
    New Auto-Interp
    Top Features by Cosine Similarity
    Comparing With GPT2-SMALL @ 1-res-jb
    Configuration
    jbloom/GPT2-Small-SAEs-Reformatted/blocks.1.hook_resid_pre
    Prompts (Dashboard)
    24,576 prompts, 128 tokens each
    Dataset (Dashboard)
    Skylion007/openwebtext
    Features
    24,576
    Data Type
    torch.float32
    Hook Point
    blocks.1.hook_resid_pre
    Architecture
    standard
    Context Size
    128
    Dataset
    Skylion007/openwebtext
    Hook Point Layer
    1
    Activation Function
    relu
    Embeds
    IFrame
    Link
    Not in Any Lists

    No Comments

    Negative Logits
     Proposition
    -0.76
    Beer
    -0.66
    deals
    -0.65
    added
    -0.65
    ::::::::
    -0.64
    soDeliveryDate
    -0.63
     unmarried
    -0.63
     Zoro
    -0.61
    Bey
    -0.61
     Slayer
    -0.61
    POSITIVE LOGITS
     cortex
    1.43
    rontal
    1.20
     hippocampus
    1.09
     amygdala
    1.03
     lobe
    1.02
    MRI
    1.00
    gdala
    0.99
     prefrontal
    0.95
    insula
    0.93
     circuitry
    0.93
    Activations Density 0.023%

    No Known Activations