Friston (2019) A free energy principle for a particular physics

gist
マルコフブランケットによる個体の統計的分離から変分自由エネルギーおよび期待自由エネルギーを導出した基礎モノグラフ


Verbatim Quotes

  • Abstract, p. 1:

    “This monograph attempts a theory of every ‘thing’ that can be distinguished from other things in a statistical sense.”

  • Section 2.2, p. 17:

    “Note that the only missing influences are between internal and external states – and directed influences from external (respectively internal) to active (respectively sensory) states.”

  • Section 3.2, p. 25:

    “Variational free energy can be expressed as complexity minus accuracy.”

  • Section 4.2, p. 41:

    “Expected free energy can be decomposed into epistemic (intrinsic) value and pragmatic (extrinsic) value—corresponding to information gain (exploration) and expected log preferences (exploitation).”


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