method
active
method:gradient-descent-on-free-energyGradient Descent on Free Energy
Optimization procedure for simultaneously updating action selection and perception; uses step size ζ (default 4).
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Concepts (2)
concept
- free energyimplementsThermodynamic potential ΔF = ΔE − TΔS; domain walls form if ΔF < 0
- PerceptionimplementsEquated with inference of past, present and future hidden states via minimization of variational free energy.
Methods (3)
method
- Process by which neuronal dynamics minimize free energy; produces empirically observable neural phenomena.
- Variational Free Energy MinimizationimplementsMinimizing variational free energy for perceptual inference and learning of model parameters.
- Using softmax to translate membrane potentials into firing rates, implementing lateral inhibition.
Related by similarity (8)
cosine ≥ 0.65 · no typed edgeEntities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.
- Used for updating hidden state expectations; provides dynamical process theory testable against neuronal data
- Central claim: gradient descent on free energy is a valid process-level description of neural activity.
- Central research question: whether process-level neural dynamics conform to free energy minimization.
- Key theoretical result: gradient descent formulation validates free energy as fundamental principle.
- Minimizing expected free energy for planning, decision-making, and action selection.
- A formal result from the proof.
- The dynamics of synaptic plasticity follow a descent on the gradient of variational free energy.claim0.777Learning as free energy gradient descent, Section 8.
- Optimization technique that computes weight changes by following the gradient of an error function; contrasted with evolutionary stochastic search.