An Integrated Theory of the Mind

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• An Integrated Theory of the Mind

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Introduction

• ACT-R has
• Consists of multiple modules.
• The perceptual-motor module
• The goal module
• The declarative memory module
• Associated with distinct regions.
• Integration of cognition
• Subsymbolic process
• Newell - Soar system

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Introduction

• Goal Describe how cognition is integrated in
  the ACT-R theory.
• Newell A single system (mind) produces all
  aspects of behavior.
• Develops two advantages
• Capable of attacking real-world problem.
• Capable of integration the mass of data from
  cognitive neuroscience methods like brain
  imaging.

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The ACT-R 5.0 Architecture
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The Perceptual-Motor System

• EPIC architecture Successful strategy for
  relating cognition to perception and action.
• ACT-R visual system
• Visual-location module
• Visual-object module
• Similar to preattentive visual processing.
• For the fixed-time approximation, this parameter
  is set at 185ms in ACT-R.

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The Perceptual-Motor System
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The Goal Module

• Keeping track of what these intensions are so
  that behavior will serve the goal.

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The Declarative Memory Module

• Information stored in declarative memory that
  promotes things like long-term personal and
  cultural coherence.

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The Declarative Memory Module
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Procedural Memory

• P will shift from ? to m / (mn) at a
  speed controlled by V.

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The effect of instruction and practice in a
dynamic task.

• With respect to applications of architectures to
  understanding the details of human performance in
  tasks like the AAWC task.

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Tracking multiple buffers in an fMRI study

• Consequence of the integrated approach is to make
  us more open to additional data such as fMRI.

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General Discussion

• The ACT-R architecture is incomplete.
• Missing certain modules.
• The proposal that all neural processing passes
  through the basal ganglia is false.