Active Dendrites and Local Field Potentials: Biophysical Mechanisms and Computational Explorations. (1st May 2022)

• Record Type: Journal Article
• Authors: Sinha, Manisha; Narayanan, Rishikesh
• Is Part Of: Neuroscience. Volume 489(2022)
• Page Start: 111
• Page End: 142
• Publication Date: 2022-05-01
• Subjects: BMTK brain modeling toolkit -- dCaAP dendritic calcium-mediated action potential -- EAP extracellular action potential -- ECoG electrocorticogram -- EEG electroencephalogram -- EPSP excitatory post-synaptic potential -- ER endoplasmic reticulum -- GA genetic algorithm -- GABA gamma-aminobutyric acid -- GC granule cell -- HCN channels hyperpolarization-activated cyclic nucleotide-gated cation non-specific channels -- HNN human neocortical neurosolver -- InsP3R inositol triphosphate receptors -- LFP local field potential -- LSA line source approximation -- MPMOSS multi-parametric multi-objective stochastic search -- NMDA N-methyl D-aspartate -- NREM non rapid eye movement -- nRt nucleus reticularis thalami -- PFC prefrontal cortex -- REM rapid eye movement -- RNN recurrent neural network -- SEP slow excitatory potential -- SERCA sarco/endoplasmic reticulum Ca2+-ATPase -- SPW-R sharp wave ripple complex -- STA-LFP spike-triggered averaged local field potential -- TC thalamocortical -- uLFP unitary local field potential; ion channels -- degeneracy -- heterogeneity -- computational models -- oscillations -- neural plasticity; Neurochemistry -- Periodicals; Neurophysiology -- Periodicals; Neurology -- Periodicals; Neurochimie -- Périodiques; Neurophysiologie -- Périodiques; Neurochemistry; Neurophysiology; Electronic journals; Periodicals; Electronic journals; 612.8
• DOI: 10.1016/j.neuroscience.2021.08.035
• Languages: English
• ISSNs: 0306-4522

Abstract

Graphical abstract: Highlights: Active dendrites shape the location-dependent spectro-temporal dynamics of LFPs. LFP modeling requires biophysically realistic heterogeneous neuronal models. LFP analyses require intra- and inter-cellular spatiotemporal interactions. LFP interpretations require recognition of degeneracy across multiple scales. Active dendritic contributions to LFP are dynamic: neuromodulation and plasticity. Abstract: Neurons and glial cells are endowed with membranes that express a rich repertoire of ion channels, transporters, and receptors. The constant flux of ions across the neuronal and glial membranes results in voltage fluctuations that can be recorded from the extracellular matrix. The high frequency components of this voltage signal contain information about the spiking activity, reflecting the output from the neurons surrounding the recording location. The low frequency components of the signal, referred to as the local field potential (LFP), have been traditionally thought to provide information about the synaptic inputs that impinge on the large dendritic trees of various neurons. In this review, we discuss recent computational and experimental studies pointing to a critical role of several active dendritic mechanisms that can influence the genesis and the location-dependent spectro-temporal dynamics of LFPs, spanning different brain regions. We strongly emphasize the need to account for the several fast and slow dendritic events and associated active mechanisms — including gradients in their expression profiles, inter- and intra-cellular spatio-temporal interactions spanning neurons and glia, heterogeneities and degeneracy across scales, neuromodulatory influences, and activitydependent plasticity — towards gaining important insights about the origins of LFP under different behavioral states in health and disease. We provide simple but essential guidelines on how to model LFPs taking into account these dendritic mechanisms, with detailed methodology on how to account for various heterogeneities and electrophysiological properties of neurons and synapses while studying LFPs.