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Early adversity and the development of explore-exploit tradeoffs.
Willem E Frankenhuis1, Alison Gopnik2
1Department of Psychology, Utrecht University, Utrecht, The Netherlands; Max Planck Institute for the Study of Crime, Security and Law, Freiburg, Germany.
Trends in Cognitive Sciences
|May 4, 2023
Summary
Childhood adversity can alter brain development by shifting the balance between exploration and exploitation. This life-history adaptation prepares individuals for future environments, impacting adult cognition and behavior.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Evolutionary Biology
Background:
- Childhood adversity has profound and lasting effects on adult well-being.
- The precise neurobiological and psychological mechanisms underlying these effects remain incompletely understood.
Purpose of the Study:
- To propose a unifying mechanism linking early adversity to long-term cognitive and neural changes.
- To integrate findings from explore-exploit tradeoffs, early adversity research, and life history theory.
Main Methods:
- Conceptual synthesis of existing literature from cognitive science, developmental psychology, and evolutionary biology.
- Theoretical modeling of how early experiences influence cognitive hyperparameters.
Main Results:
- Early adversity may accelerate the shift from exploration to exploitation by altering cognitive hyperparameters.
- This shift represents a life-history adaptation, tailoring development to anticipated future environments.
- These adaptations have enduring effects on adult brain and mind functioning.
Conclusions:
- Cognitive explore-exploit dynamics offer a mechanistic framework for understanding the long-term impacts of childhood adversity.
- Life history theory provides an evolutionary perspective on how early experiences shape developmental trajectories.
- Understanding these mechanisms can inform interventions aimed at mitigating the negative consequences of early adversity.
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