期刊
BRAIN BEHAVIOR AND EVOLUTION
卷 97, 期 3-4, 页码 225-240出版社
KARGER
DOI: 10.1159/000522109
关键词
Alternative mating tactics; Animal cognition; Proximate and ultimate mechanisms; Social behavior; Social brain
资金
- National Science Foundation [1354760]
- National Institutes of Health (Eunice Kennedy Shriver National Institute of Child Health and Human Development) [HD079573]
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1354760] Funding Source: National Science Foundation
Behavioral phenotypes play a crucial role in maximizing fitness and shaping evolutionary trajectory. The mechanisms behind their evolution and expression are still a major question in ethology. Recent studies have focused on the regulation of interactions between individuals and their environment, offering new insights into the expression of alternative phenotypes. This review explores the proximate mechanisms driving the expression of alternative reproductive phenotypes in male prairie voles and highlights the importance of integrating physiological and psychological mechanisms to understand the emergence of behavior.
Behavioral phenotypes play an active role in maximizing fitness and shaping the evolutionary trajectory of species by offsetting the ecological and social environmental factors individuals experience. How these phenotypes evolve and how they are expressed is still a major question in ethology today. In recent years, an increased focus on the mechanisms that regulate the interactions between an individual and its environment has offered novel insights into the expression of alternative phenotypes. In this review, we explore the proximate mechanisms driving the expression of alternative reproductive phenotypes in the male prairie vole (Microtus ochrogaster) as one example of how the interaction of an individual's social context and internal milieu has the potential to alter behavior, cognition, and reproductive decision-making. Ultimately, integrating the physiological and psychological mechanisms of behavior advances understanding into how variation in behavior arises. We take a levels of biological organization approach, with prime focus placed on the level of the organism to discuss how cognitive processes emerge as traits, and how they can be studied as important mechanisms driving the expression of behavior.
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