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Openai/69371729-f090-8004-b69b-aa9f25ca0b40
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===== (b) BCM rule (sliding threshold) ===== Bienenstock–Cooper–Munro (BCM): Δwij=η xj yi(yi−θi),\Delta w_{ij} = \eta\, x_j\, y_i \big(y_i - \theta_i\big),Δwij=ηxjyi(yi−θi), where θi\theta_iθi is a sliding threshold that depends on the recent average of yi2y_i^2yi2. This produces both potentiation and depression depending on whether yyy is above/below the threshold and leads to stable competition/homeostasis.
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