Environmental Stress and Novelty Seeking in Vervet Monkeys
Author Information
Author(s): Lynn A. Fairbanks, J N Bailey, S E Breidenthal, M L Laudenslager, J R Kaplan, M J Jorgensen
Primary Institution: University of California, Los Angeles (UCLA)
Hypothesis
An increase in environmental stress inhibits voluntary exploration and novelty seeking in vervet monkeys.
Conclusion
The study found that environmental stress significantly reduces novelty seeking behavior in vervet monkeys, particularly in adults.
Supporting Evidence
- Novelty seeking scores were significantly inhibited in the higher stress environment.
- Genetic contributions to novelty seeking scores were significant in each year of the study.
- High genetic correlations were found within each environment, indicating shared genetic influences.
Takeaway
When vervet monkeys moved to a more stressful place, they became less curious and less willing to explore new things, especially the older ones.
Methodology
The study assessed genetic influences on novelty seeking behavior in vervet monkeys before and after relocation to a higher stress environment, using variance components analysis.
Limitations
The study could not control for all changes over time unrelated to the move, making it difficult to attribute behavioral changes to specific stressors.
Participant Demographics
503 vervet monkeys aged 1–24 years from 16 multigenerational social groups.
Statistical Information
P-Value
0.0000001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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