es, I apologize for the confusion. You are correct. The free energy principle is indeed a framework in neuroscience and cognitive science that explains how the brain represents the world and generates behavior by reducing the difference between its internal model of the world and its perception.

The free energy principle states that the brain tries to minimize the difference or the "free energy" between its predictions and the sensory input it receives. The principle proposes that the brain continuously updates its internal model of the world based on sensory information, and uses this model to generate predictions about future sensory input. If the predictions are incorrect, the brain adjusts its model to reduce the difference between the predictions and the actual sensory input. This process is thought to be a fundamental mechanism for perception, action, and learning.

The free energy principle has been used to explain a wide range of phenomena in neuroscience, such as perception, attention, consciousness, and decision making, and has been applied to various fields, including robotics, computer vision, and artificial intelligence.

I hope this clarifies the definition of the free energy principle and its role in neuroscience and cognitive science.
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