Abstract
Spiking neural network (SNN) has been shown to be a biologically plausible and energy efficient alternative to Deep Neural Network in Reinforcement Learning (RL). In prevailing SNN models for RL, fully-connected architectures with inter-layer connections are commonly employed. However, the incorporation of intra-layer connections is neglected, which impedes the feature representation and information processing capacities of SNNs in the context of reinforcement learning. To address these limitations, we propose Lateral Interactions Spiking Actor Network (LISAN) to improve decision-making in reinforcement learning tasks with high performance. LISAN integrates lateral interactions between neighboring neurons into the spiking neuron membrane potential equation. Moreover, we incorporate soft reset mechanism to enhance model’s functionality recognizing the significance of residual potentials in preserving valuable information within biological neurons. To verify the effectiveness of our proposed framework, LISAN is evaluated using four continuous control tasks from OpenAI gym as well as different encoding methods. The results show that LISAN substantially improves the performance compared to state-of-the-art models. We hope that our work will contribute to a deeper understanding of the mechanisms involved in information capturing and processing in the brain.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (Grant No. 62206188), the China Postdoctoral Science Foundation (Grant No. 2022M712237), Sichuan Province Innovative Talent Funding Project for Postdoctoral Fellows and the 111 Project under grant B21044.
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Chen, X., Xiao, R., Yang, Q., Lv, J. (2024). Lateral Interactions Spiking Actor Network for Reinforcement Learning. In: Luo, B., Cheng, L., Wu, ZG., Li, H., Li, C. (eds) Neural Information Processing. ICONIP 2023. Communications in Computer and Information Science, vol 1962. Springer, Singapore. https://doi.org/10.1007/978-981-99-8132-8_14
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DOI: https://doi.org/10.1007/978-981-99-8132-8_14
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