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DendroTweaks: An interactive approach for unraveling dendritic dynamics
Roman Makarov1,2, Spyridon Chavlis1, Panayiota Poirazi1
1Institute of Molecular Biology and Biotechnology (IMBB), Foundation for Research and Technology-Hellas (FORTH), Heraklion, 70013, Greece.
Biorxiv : the Preprint Server for Biology
|September 24, 2024
Summary
DendroTweaks simplifies complex neuronal models by visualizing morpho-electric properties and ion channel dynamics. This toolbox aids researchers in understanding dendritic events and their impact on neuronal output, enhancing model validation and network computation research.
Area of Science:
- Computational Neuroscience
- Biophysics
- Systems Neuroscience
Background:
- Neurons integrate synaptic inputs via dendritic morphology and ion channels to generate somatic spikes.
- Detailed biophysical models with active dendrites are crucial but complex to validate.
- Understanding the morpho-electric interplay in dendrites is key to neuronal function.
Purpose of the Study:
- Introduce DendroTweaks, a toolbox to visualize and interactively adjust neuronal model parameters.
- Facilitate understanding of how morpho-electric properties influence dendritic events and neuronal output.
- Improve the comprehension, validation, and reusability of biophysical neuronal models.
Main Methods:
- Web-based graphical interface for exploring single-cell neuronal models.
- Interactive fine-tuning of subcellular properties (ion channel kinetics/distributions, synaptic dynamics/allocation).
- Automated standardization and refinement of voltage-gated ion channel models.
- Running experimental protocols and recording data from multiple locations for model validation.
- Morphology reduction algorithm for model simplification.
Main Results:
- DendroTweaks provides real-time visual feedback for parameter adjustments.
- Enables interactive exploration of ion channel and synaptic property effects on neuronal activity.
- Facilitates model validation through comprehensive data recording.
- Offers a pathway to create simplified, interpretable models for network simulations.
Conclusions:
- DendroTweaks enhances user control and understanding of complex neuronal models.
- The toolbox advances research into dendritic input-output transformations and their role in network computations.
- Facilitates the creation of more accessible and reusable neuronal models.
