在反控制下,在线监督学习生物神经网络中的时间模式
Yuki Sono1,2, Hideaki Yamamoto1,2,3, Yusei Nishi1,2
1Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan.
概括
研究人员使用培养的神经元开发了一个闭环生物神经网络 (BNN) 系统. 这个系统可以学习和生成多样化的时间模式,为皮层计算和神经形态计算提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 计算神经科学是一种神经科学.
- 生物工程是生物工程.
背景情况:
- 实验室生物神经网络 (BNNs) 对于研究细胞环境相互作用和生成时间输出非常有价值.
- 了解神经动力学对于运动控制和开发先进的计算范式至关重要.
研究的目的:
- 开发一个实时闭环BNN系统,用于生成多样化的时间信号.
- 研究反和微流体控制在塑造神经网络动态中的作用.
- 探索BNNs作为理解皮层计算和神经形态计算的平台.
主要方法:
- 培养的皮层神经元与微流体装置和高密度微电极阵列的集成.
- 开发一个实时闭环系统,带有线性解码器和反.
- 使用微流体设备来自上而下的控制网络形成.
主要成果:
- 该BNN系统成功地产生了周期性和混乱的时间信号.
- 使用线性解码器进行训练可以实现自主学习和生成各种时间模式.
- 反将不规则的BNN活动转化为结构化的低维动态,具有稳定状态过渡.
- 通过维持在各种目标频率 (430秒) 的振荡,BNN显示出适应性.
- 微流体控制抑制了过度同步,增加了动态复杂性,提高了训练和输出稳定性.
结论:
- 开发的闭环BNN系统为研究神经计算提供了一个生物启发的平台.
- 该系统有助于生成与运动控制相关的连贯时间输出.
- 这些发现通过利用生物神经网络来推进节能的神经形态计算范式.
相关概念视频
Neural Regulation
44.0K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
44.0K
Neural Circuits
3.1K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
3.1K
Neural Control of Respiration
5.4K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
5.4K
Feedback Loops
67.2K
In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.
67.2K
Feedback control systems
763
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
763
Long-term Potentiation
59.2K
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
59.2K


