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Mechanistic Interpretability of Language Models

Master the science of understanding how transformer-based language models actually work internally, from attention patterns to emergent behaviors and circuit-level analysis.

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🧠 Emergent Behavior Understanding

Reasoning Circuit Identification#

Chain-of-Thought Mechanisms: Understanding how models implement step-by-step reasoning, including the identification of internal components responsible for maintaining and manipulating working memory.

Logical Inference Circuits: Analyzing how models perform logical operations like modus ponens, contraposition, and other fundamental reasoning patterns at the circuit level.

Abstract Reasoning Pathways: Identifying the neural mechanisms underlying analogical reasoning, pattern recognition, and other forms of abstract thinking.

Knowledge Representation Analysis#

Factual Knowledge Storage: Understanding how models store and retrieve factual information, including the distributed nature of knowledge representation across parameters.

Conceptual Hierarchy Formation: Analyzing how models learn hierarchical concept structures and how these hierarchies influence reasoning and inference.

Knowledge Composition: Understanding how models combine disparate pieces of knowledge to answer novel questions or solve unfamiliar problems.

Language Understanding Mechanisms#

Syntactic Processing Circuits: Identifying the specific neural pathways responsible for parsing syntax, handling grammatical structures, and maintaining linguistic coherence.

Semantic Composition: Understanding how models build meaning from component parts, including compositional semantics and context-dependent interpretation.

Pragmatic Inference: Analyzing how models handle implied meaning, context-dependent interpretation, and other aspects of pragmatic language understanding.

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