Gjorgjieva Julijana, Drion Guillaume, Marder Eve
Volen Center and Biology Department, Brandeis University, Waltham, MA 02454, United States.
Volen Center and Biology Department, Brandeis University, Waltham, MA 02454, United States; Department of Electrical Engineering and Computer Science, University of Liège, Liège B-4000, Belgium.
Curr Opin Neurobiol. 2016 Apr;37:44-52. doi: 10.1016/j.conb.2015.12.008. Epub 2016 Jan 15.
Despite advances in experimental and theoretical neuroscience, we are still trying to identify key biophysical details that are important for characterizing the operation of brain circuits. Biological mechanisms at the level of single neurons and synapses can be combined as 'building blocks' to generate circuit function. We focus on the importance of capturing multiple timescales when describing these intrinsic and synaptic components. Whether inherent in the ionic currents, the neuron's complex morphology, or the neurotransmitter composition of synapses, these multiple timescales prove crucial for capturing the variability and richness of circuit output and enhancing the information-carrying capacity observed across nervous systems.
尽管实验和理论神经科学取得了进展,但我们仍在努力确定对于描述脑回路运作至关重要的关键生物物理细节。单个神经元和突触水平的生物学机制可以作为“构建模块”组合起来以产生回路功能。我们关注在描述这些内在和突触成分时捕捉多个时间尺度的重要性。无论是离子电流、神经元的复杂形态还是突触的神经递质组成中所固有的,这些多个时间尺度对于捕捉回路输出的变异性和丰富性以及增强在整个神经系统中观察到的信息承载能力都至关重要。