Dr. Thomas Parr - Active Inference Book

Human Behavior

Active inference provides a framework for understanding human behavior and agency. Thomas Parr explains that our sense of agency is often an inference about our actions, suggesting that much of what we perceive as intentional behavior is a post hoc explanation 1. This perspective aligns with the notion that human beliefs and desires are not consistent, but rather confabulated narratives 2.

I am inferring, I'm behaving in this way for this reason, because I've chosen to do this, because I had this goal in mind.

--- Thomas Parr

This view challenges traditional ideas of human uniqueness, proposing that our higher-level goals might also be confabulated 2.

   

Model Building

Building generative models involves both creativity and constraint. Thomas Parr discusses the process of model development, emphasizing the importance of starting with a simple structure and iteratively refining it based on new data 3. This approach mirrors human cognitive processes, where models are built through exposure and adaptation.

It's not going to be worth starting from scratch every time. You can sort of build models by saying, okay, let's start with something very simple with a sort of known structure.

--- Thomas Parr

The challenge lies in balancing the complexity of models with computational tractability, a task that requires domain expertise and strategic simplification 4.

   

Mind Philosophy

The philosophy of mind explores the nature of consciousness and cognitive processes. Tim Scarfe and Thomas discuss the concept of sentience, questioning whether it can be reduced to simple explanations or if it possesses a unique character 5. This debate touches on the complexity of the mind, which some argue is beyond our cognitive horizon.

The dynamics of beliefs are about what's external to us and how we want to change it.

--- Thomas Parr

The discussion also highlights the predictive nature of the brain, suggesting that our perceptions are shaped by both internal models and external constraints 6.