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The role of atomic repertoires in complex behavior
1Smith College, MA, USA. dcpalmer@smith.edu
The Behavior Analyst
|September 4, 2012
Summary
Human behavior accelerates learning by "short-circuiting" evolution through single-trial variations. This process utilizes elementary behavior units (atomic repertoires) to rapidly generate and spread adaptive innovations.
Area of Science:
- Behavioral science
- Evolutionary psychology
- Cognitive science
Background:
- Adaptive behavior typically evolves through gradual processes of variation and selection.
- Human behavior exhibits unique efficiencies in acquiring new adaptive skills.
- Existing models struggle to fully explain rapid behavioral innovation and learning.
Purpose of the Study:
- To explain the mechanisms underlying the accelerated acquisition of adaptive behavior in humans.
- To introduce the concept of "atomic repertoires" as a key component of efficient learning.
- To re-interpret phenomena like generalized operants and observational learning through this framework.
Main Methods:
- Analysis of behavioral shaping processes, focusing on "short-circuiting" mechanisms.
- Identification and definition of "atomic repertoires" as fundamental behavioral units.
- Examination of how discriminative stimuli control permutations of these units.
- Exploration of how learned permutations become context-controlled.
Main Results:
- Human learning is expedited by inducing critical variations in single trials, bypassing lengthy evolutionary cycles.
- Atomic repertoires, controlled by specific stimuli, enable rapid generation of behavioral sequences.
- Successful behavioral permutations transition to context-dependent control, eliminating the need for explicit stimuli.
- This model offers explanations for generalized operants and observational learning.
Conclusions:
- Atomic repertoires provide a parsimonious explanation for the efficiency and rapid spread of adaptive behavior in humans.
- Understanding these elementary units reframes our interpretation of complex learned behaviors.
- This framework enhances the understanding of learning, innovation, and social transmission of behavior.
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