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Predator-Prey Interactions

Predator-Prey Interactions

Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.

Decision Making

Decision Making

Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
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Reason and Intuition

Reason and Intuition

The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the brain can only use...

Decision Making: Traditional Method

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The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
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Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance

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Related Experiment Video

Updated: May 18, 2026

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

Decision Making and Behavioral Choice during Predator Avoidance.

Jens Herberholz¹, Gregory D Marquart

¹Department of Psychology, University of Maryland College Park, MD, USA.

Frontiers in Neuroscience

|September 14, 2012

Summary

Animals make critical anti-predator decisions by weighing costs and benefits. This review explores invertebrate neurobiology of escape responses and value-based decision-making in the nervous system.

Keywords:

behavioral choice decision making escape neural circuits predation

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Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents

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Published on: September 10, 2018

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Last Updated: May 18, 2026

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

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Published on: May 16, 2025

Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents

Operant Protocols for Assessing the Cost-benefit Analysis During Reinforced Decision Making by Rodents

Published on: September 10, 2018

Area of Science:

Neurobiology
Animal Behavior
Decision Science

Background:

Anti-predator responses are crucial for animal survival, requiring prompt and appropriate reactions.
Invertebrates serve as valuable models for studying escape neurobiology due to accessible nervous systems and quantifiable behaviors.
Investigating decision-making under conflicting circumstances, involving cost-benefit analysis, is a growing area of research.

Purpose of the Study:

To review current literature on anti-predator decision-making in invertebrates.
To explore the neurobiological mechanisms underlying value-based choices in escape responses.
To discuss recent advancements in understanding how the nervous system makes these critical decisions.

Main Methods:

Literature review of studies on invertebrate anti-predator behavior.
Analysis of research focusing on neurobiological underpinnings of escape responses.
Examination of studies investigating value-based decision-making processes in nervous systems.

Main Results:

Invertebrates offer unique advantages for studying decision-making at the neural level.
Research highlights the complexity of anti-predator strategies, from single neurons to integrated behaviors.
Progress has been made in elucidating how nervous systems compute costs and benefits for behavioral choices.

Conclusions:

Invertebrate models are essential for understanding the neurobiology of escape and decision-making.
Value-based calculations within the nervous system are key to effective anti-predator strategies.
Continued research in invertebrates promises deeper insights into fundamental principles of behavioral decision-making.