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Simone Macrì1, S Helene Richter2
1Section of Behavioural Neuroscience, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Roma, Italy.
Frontiers in Zoology
|January 28, 2016
Summary
Current behavioral neuroscience research, like comparative psychology in 1950, overspecializes in limited species and tests. This hinders translational research reproducibility and generalizability, potentially due to inadequate early life environmental conditioning in lab animals.
Area of Science:
- Behavioral Neuroscience
- Comparative Psychology
- Translational Research
Background:
- Frank Beach's 1950 critique highlighted over-specialization in comparative psychology (species and methods).
- Current translational research faces challenges with reproducibility and translating preclinical findings to clinical practice.
- Over-specialization in animal models and experimental paradigms may limit the generalizability of research findings.
Purpose of the Study:
- To evaluate the applicability of Beach's 1950 criticisms to contemporary behavioral neuroscience.
- To assess the impact of over-specialization and limited variability on translational research.
- To explore the role of evolutionary-adaptive considerations and early life environment on experimental outcomes.
Main Methods:
- Review and analysis of current practices in behavioral neuroscience research.
- Comparison of contemporary research trends with historical critiques of comparative psychology.
- Discussion of theoretical considerations and empirical evidence regarding animal models and experimental design.
Main Results:
- Rodents (primarily mice) remain the dominant species, mirroring 1950s over-reliance on rats.
- A trend towards homogenizing experimental test strategies limits generalizability and innovation.
- Current laboratory animal rearing and housing standards may not adequately prepare subjects for adult experimental conditions, impacting reproducibility.
Conclusions:
- Behavioral neuroscience continues to exhibit over-specialization in species and methods, hindering translational research.
- Increased model and paradigm diversity, alongside consideration of evolutionary-adaptive principles, is crucial for improving research reliability.
- Mismatch between early life and adult environments in laboratory animals may significantly affect experimental reproducibility and findings.
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