Compensatory Growth Impairs Adult Cognitive Performance
2006
Compensatory Growth Impairs Learning in Zebra Finches
publication
Evidence: moderate
Author Information
Author(s): Michael Fisher, Rudolph Nager, Pat Monaghan
Hypothesis
Does compensatory growth following poor early nutrition affect learning ability in adulthood?
Conclusion
Zebra finches that experienced compensatory growth after a poor diet performed worse on learning tasks as adults.
Supporting Evidence
- Poor early nutrition can impair neural development and cognitive skills.
- Birds that grew fastest after a poor diet performed worst on learning tasks.
- Compensatory growth may divert resources from cognitive development.
Takeaway
If baby birds don't get enough food, they can grow quickly later, but this can make them bad at learning things when they grow up.
Methodology
The researchers compared learning performance of zebra finch siblings raised on different quality diets after hatching.
Limitations
The study may not fully account for all variables affecting cognitive performance in birds.
Participant Demographics
Zebra finch siblings raised on different diets.
Digital Object Identifier (DOI)
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