Related Experiment Video
Updated: Jul 13, 2026
16:00
Behavioral Assessment of Manual Dexterity in Non-Human Primates
Published on: November 11, 2011
Serial list linking by macaque monkeys (Macaca mulatta): list property limitations.
F Robert Treichler1, Mary Ann Raghanti, Debra N Van Tilburg
1Department of Psychology, Kent State University, Kent, OH 44242, USA. rtreichl@kent.edu
Journal of Comparative Psychology (Washington, D.C. : 1983)
|August 19, 2007
Summary
Macaque monkeys learned long lists, but linking them was challenging. List length appears to limit memory merging, similar to humans, suggesting further study of serial list memory in primates.
Area of Science:
- Cognitive Psychology
- Primate Behavior
- Neuroscience
Background:
- Serial list memory is crucial for cognitive function.
- Understanding memory limitations in non-human primates offers insights into general memory principles.
- Previous studies with shorter lists showed successful memory merging.
Purpose of the Study:
- To assess serial list memory properties in macaques (Macaca mulatta).
- To investigate the effect of list length on memory merging through linking.
- To explore processing restrictions analogous to human list memory.
Main Methods:
- Macaques were trained on six 15-item ordinal lists using conditional, 2-choice discriminations.
- Researchers attempted to link three lists by training end-item pairs to form a 45-item series.
- Testing involved assessing retention and the ability to merge lists under linking and nonlinking conditions.
Main Results:
- Linking did not immediately merge three 15-item lists into a single 45-item list, unlike with shorter lists.
- Macaques eventually acquired 45-item lists after extensive training/testing, regardless of linking.
- List length appeared to be a limiting factor in the linking process.
Conclusions:
- The capacity for serial list memory merging in macaques is constrained by list length.
- Processing restrictions observed in macaques resemble those in human list memory.
- Further research into primate serial list memory and linking is warranted.
Related Concept Videos
02:31Synteny and Evolution
John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral chromosome underwent...
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral chromosome underwent...
01:31Taxonomy
Taxonomy is the science of defining and naming groups of biological organisms based on shared characteristics. It uses a hierarchy of increasingly inclusive categories with Latin names. The smallest units of taxonomy, species and genus, are used to assign a formal, taxonomic name to each species in a system. This classification system, referred to as binomial nomenclature, was formalized by Carolus Linnaeus in the 18th century.Hierarchy of TaxonomyThe hierarchy that Carolus Linnaeus first...