Journal
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
Volume 141, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2022.104827
Keywords
Elevated plus maze; Open field; Morris water maze; Barnes maze; Coping styles
Categories
Funding
- New Zealand?s Ministry of Business Innovation and Employment Strategic Science Investment Fund (SSIF)
- New Zealand's Ministry of Business Innovation and Employment Strategic Science Investment Fund (SSIF) [C10X1702]
- New Zealand Ministry of Business, Innovation & Employment (MBIE) [C10X1702] Funding Source: New Zealand Ministry of Business, Innovation & Employment (MBIE)
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Individual variation in responses to anxiety and spatial memory tests is often reported. These variations are related to consistent individual differences in behavior (personality). However, personality differences are rarely considered in anxiety treatment studies. This article focuses on rat literature to describe principles in anxiety and spatial memory tests and discusses the influence of personality and housing conditions on behavioral responses. The authors propose that environmental enrichment can enhance stress resiliency in environmentally sensitive individuals. Incorporating personality measures into study design and analysis can improve research reproducibility.
Individual variation in responses to commonly used tests of anxiety and spatial memory is often reported. While this variation is frequently considered to be 'noise', evidence suggests that it is, at least partially, related to consistent individual differences in behavioral responses (i.e., personality). The same tests used to assess anxiety are often used to profile personality traits, but personality differences are rarely considered when testing treatment differences in anxiety. Focusing on the rat literature, we describe fundamental principles involved in anxiety and spatial memory tests and we discuss how personality differences and housing conditions can in-fluence behavioral responses in these tests. We propose that an opportunity exists to increase stress resiliency in environmentally sensitive individuals by providing environmental enrichment. We conclude by discussing different approaches to incorporating personality measures into the design and analysis of future studies; given the potential that variation masks research outcomes, we suggest that a strategy which considers the individual and its housing can contribute to improving research reproducibility.
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