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Related Experiment Video

Updated: May 23, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

Units of interaction, evolution, and replication: organic and behavioral parallels.

S S Glenn¹, G J Madden

¹Center for Behavior Analysis, P.O. Box 13438,University of North Texas, Denton, Texas, USA.

The Behavior Analyst

|April 6, 2012

Summary

Organic and behavioral evolution share principles like variation and selection. This study compares biological evolution units to behavioral ones, suggesting the nervous system is key for behavioral retention and replication.

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Area of Science:

Comparative evolution
Behavioral science
Neuroscience

Background:

Organic evolution involves variation, selection, and replication of genes for heritable traits.
Behavioral evolution also shows variation, selection (reinforcement), and replication of responses.
The precise units of retention and replication in behavioral evolution remain unclear.

Purpose of the Study:

To compare the units of evolution, selection, and retention in organic and behavioral contexts.
To identify analogous mechanisms between biological and behavioral evolutionary processes.
To propose a locus for retention and replication in behavioral evolution.

Main Methods:

Comparative analysis of evolutionary principles in biological and behavioral domains.
Examination of natural selection in organic evolution and reinforcement in behavioral evolution.
Theoretical exploration of units of retention and replication in behavioral lineages.

Main Results:

Both organic and behavioral evolution utilize variation, selection, and replication with retention.
Natural selection acts on organisms; reinforcement acts on responses.
Continuity in biological lineages relies on gene replication; behavioral lineage continuity is less understood.

Conclusions:

The nervous system is proposed as the locus for retention and replication in behavioral evolution.
Understanding behavioral evolution requires identifying its fundamental units of replication and retention.
Further research is needed to elucidate the neural mechanisms underlying behavioral evolution.