在深度神经网络中,对1/f噪声进行自我组织
Nicholas Jia Le Chong1, Ling Feng1,2
1Department of Physics, National University of Singapore, Singapore 117551.
Chaos (Woodbury, N.Y.)
|August 1, 2024
概括
在时间序列数据上训练的人工神经网络 (ANN) 显示1/f噪声,反映生物神经网络. 神经元利用率是关键的,因为高利用率与1/f噪声相关,而低利用率导致白噪声模式.
科学领域:
- 计算神经科学是一种计算神经科学.
- 人工智能的人工智能是人工智能.
- 机器学习是机器学习.
背景情况:
- 生物神经网络显示出1/f噪声模式,这表明大脑功能健康.
- 尽管人工神经网络具有先进的认知能力,但1 / f噪声在人工神经网络 (ANN) 中的存在尚未得到广泛证实.
研究的目的:
- 在时间序列分类任务期间调查ANN中存在1/f噪声模式.
- 确定神经元利用率与ANN中1/f噪声的出现之间的关系.
主要方法:
- 在时间序列分类数据集上培训ANN.
- 分析神经元激活中的噪音模式.
- 关联神经元活动与利用水平.
主要成果:
- 在经过时间序列数据训练的ANN中观察到1/f噪声模式.
- 当神经元被高度利用时,神经元激活最接近1 / f噪声.
- 大网络中的未充分利用的神经元显示出从1/f噪声向白噪声模式的偏差.
结论:
- ANN可以表现出1/f噪声,类似于生物神经网络.
- 神经元利用率是影响ANN中1/f噪声存在的关键因素.
- 网络架构和神经元活动水平会影响1 / f噪声向白噪声的偏差.
相关概念视频
Neural Circuits
1.1K
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...
1.1K
Propagation of Action Potentials
5.5K
The propagation of an action potential refers to the process by which a nerve impulse, or "action potential," travels along a neuron.
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
Neurons (nerve cells) have a resting membrane potential, with a slightly negative charge inside compared to outside. This is maintained by ion channels, such as sodium (Na+) and potassium (K+) channels, which control the flow of ions. When a stimulus, like a touch or a signal from another neuron, triggers the neuron, sodium channels open, allowing sodium ions to...
5.5K
Biasing of FET
247
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
247


