Symbol Δ x
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The third family does not record from tissue at all. It builds models — from biophysically detailed single-neuron simulations to abstract population-level dynamical systems to large-scale network models constrained by connectomic data — and tests whether those models reproduce, and ideally predict, patterns actually observed with the other two families. Sejnowski, Koch, and Churchland’s foundational 1988 statement of the field framed this explicitly: the aim is to explain how the electrical and chemical signals available to real neurons can implement the representations and computations that behavior requires, using simulation and theory to bridge levels that no single experiment spans on…
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Symbol Δ t
Δ t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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Equation 1 · Neuroscience
Comparing the Main Approaches to Systems and Computational Neuroscience
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
The third family does not record from tissue at all. It builds models — from biophysically detailed single-neuron simulations to abstract population-level dynamical systems to large-scale network models constrained by connectomic data — and tests whether those models reproduce, and ideally predict, patterns actually observed with the other two families. Sejnowski, Koch, and Churchland’s foundational 1988 statement of the field framed this explicitly: the aim is to explain how the electrical and chemical signals available to real neurons can implement the representations and computations that behavior requires, using simulation and theory to bridge levels that no single experiment spans on…
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