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ACT-R argues that we have two different memory systems: declarative and procedural.
The procedural system consists of everything you can do.
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There are a few general implications we can tease out:
The basic unit of the procedural system is the production. This is an IF -> THEN pattern.
Think of productions like the atomic thinking steps involved in solving a problem.
Unlike the sprawling, interlinked declarative memory, productions ar...
All scientific theories are built on paradigms .A paradigm is an example that you take as central for describing a phenomenon.
Newton had falling apples and orbiting planets. Obviously, ...
Why two separate systems? A single system would be simpler. But there’s an impressive range of evidence arguing that these systems are distinct in the brain:
The declarative memory structure is vast, but only a few chunks are active at any one time.
This reflects the distinction between conscious awareness and memory. When we need to remember something, we search through the network.
ACT-R explains complex skills as an ongoing interaction between these two systems.
The basic unit of declarative memory is the chunk. This is a structure that binds approximately three pieces of information.
The idea is that, through experience, we connect these chunks into elaborate networks. We can then traverse these ...
How do we learn to perform complex skills like programming, physics, or piloting a plane? What changes in our brain allow us to perform these skills?
These are hard questions. Most experiments only attempt to address narrow slices of the problem.
This is what makes J...
In the ACT-R theory, learning skills is thought to be a process of acquiring and strengthening productions.
Initially, productions are learned via analogy. We search our long-term declarative memories for a similar problem. Then we try to match this to our current represent...
How do nodes get activated?
ACT-R argues that we don’t learn by explicit instruction, only by example.
When we appear to learn via instruction, we first generate an example based on the instruction and then use this example to create a new production.
Once created, productions are strengthened ...
This article gives a holistic view on ACT - R theory and how do we learn complex skills. ✓
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