Transmission -- 3.1. Transmission and causal relevance -- 3.2. Omission and prevention -- 4. Causation and Mechanical Connection -- 5. Manipulation and Causation -- 5.1. Invariance, fragility, and contingency -- 5.2. Manipulation and criteria for explanation -- 5.3. Manipulation, omission, and prevention -- 6. Conclusion -- 4. The Norms of Mechanistic Explanation -- 1. Introduction -- 2. Two Normative Distinctions -- 3. Explaining the Action Potential -- 4. The Explanandum Phenomenon -- 5. Components -- 6. Activities -- 7. Organization -- 8. Constitutive Relevance -- 8.1. Relevance and the boundaries of mechanisms -- 8.2. Interlevel experiments and constitutive relevance -- 8.3. Constitutive relevance as mutual manipulability -- 9. Conclusion -- 5. A Field-Guide to Levels -- 1. Introduction -- 2. Levels of Spatial Memory -- 3. A Field-Guide to Levels -- 3.1. Levels of science (units and products) -- 3.2. Levels of nature -- 3.3. Levels of mechanisms -- 4. Conclusion -- 6. Nonfundamental Explanation -- 1. Introduction -- 2. Causal Relevance and Making a Difference -- 3. Contrasts and Switch-points. |