Related Experiment Video
Updated: Mar 16, 2026
06:03
Procedure for Adaptive Laboratory Evolution of Microorganisms Using a Chemostat
Published on: September 20, 2016
15.4K
Co-Evolution of Social Learning and Evolutionary Preparedness in Dangerous Environments
Björn Lindström1,2, Ida Selbing1, Andreas Olsson1
1Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
Plos One
|August 4, 2016
Summary
Animals evolve genetic preparedness and social learning to navigate danger. These adaptive behaviors often co-evolve, balancing survival with foraging efficiency, especially in unpredictable environments.
Area of Science:
- Evolutionary biology
- Animal behavior
Background:
- Adaptive behavior is crucial for animal survival, involving avoidance of danger through genetic preparedness and social learning.
- While both mechanisms are vital, their evolutionary origins and interactions remain unclear.
Purpose of the Study:
- To investigate the co-evolution of genetic preparedness and social learning in dangerous environments.
- To determine if these adaptive mechanisms interact synergistically or antagonistically.
Main Methods:
- Utilized evolutionary agent-based simulations.
- Incorporated empirically based learning mechanisms into the simulations.
Main Results:
- Preparedness and social learning frequently co-evolve, offering complementary benefits.
- Genetic preparedness enhances survival but reduces foraging efficiency; social learning dominates in stochastic environments.
- Preparedness consistently evolved even when social learning was prevalent.
Conclusions:
- The interplay between preparedness and social learning is critical for understanding adaptive behavior.
- These mechanisms can create trade-offs between behavioral flexibility and safety.
- Seemingly suboptimal behaviors can arise depending on the specific evolutionary environment.
More Related Videos
08:11Author Spotlight: Understanding Microbe Adaptation Using Innovative Techniques for Exploring Thermophilic Evolution
Published on: June 14, 2024
1.5K
05:03Author Spotlight: Unveiling Mechanisms of Stress Resilience - Significant Findings, Advancements, and Future Research
Published on: December 15, 2023
5.1K
Related Concept Videos
01:15Natural Selection and Adaptation
1.6K
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
Beyond physical adaptations,...
1.6K
01:20Evolutionary Psychology
1.1K
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
1.1K
01:09Preparedness and Phobias
422
Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
422
01:23Criticisms of the Evolutionary Perspective
420
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
420
01:14Avoidance Learning and Learned Helplessness
3.2K
Avoidance learning and learned helplessness are critical concepts in understanding behavioral responses to negative stimuli.
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...
3.2K
01:28Causes of Social Behavior III: Biological and Environmental Influences
405
Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...
405