The temperature parameter regulating precision of policy selection has a clear biological interpretation in terms of confidence encoded in dopaminergic firing.

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• Dopamine discharge encodes changes in expected free energy under posterior vs. prior policy beliefs, representing precision updates.claim0.751
  Links dopamine to precision modulation; reward prediction error reflects expected free energy changes.
• Physiological software dynamics, not genetic hardware, determine organism phenotype.claim0.746
  Authors' central interpretive assertion: genome specifies cell-level components but outcome is product of dynamics not easily predicted from genetic sequence.
• acting to optimize value and perception are two aspects of exactly the same principle; namely the minimisation of a quantity [free energy] that bounds the probability of sensory input, given a particular agent or phenotype.quote0.745
  Concise statement of the free-energy principle's unification of action and perception.
• Dopamine encodes the conditional certainty or precision of predictionsclaim0.744
  Broader role for dopamine beyond reward signalling, influencing top-down/bottom-up balance.
• Biology commits to optimizing salience and meaning, not fidelity, via high-level, agent-based interpretation.claim0.739
  Central claim that biological memory prioritizes gestalt over details.
• Biological agents use a process theory of active inference where neuronal dynamics correspond to variational free energy minimisation for perception and expected free energy minimisation for action.hypothesis0.734
  The core process theory hypothesis set up in the paper.
• Agents perceive by minimizing variational free energy to ensure model consistency with past observations and act by minimizing expected free energy to make future sensations consistent with preferences.claim0.731
  Formalization of perception-action cycle integrating inference and decision-making.
• Temperature / Precision Parameterconcept0.731
  The inverse precision (γ = 1/β) that scales the influence of expected free energy on policy selection, controlling exploration-exploitation balance.