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Investigating Pain-Related Avoidance Behavior using a Robotic Arm-Reaching Paradigm
Published on: October 3, 2020
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Agonistic experience during development establishes inter-individual differences in approach-avoidance behaviour of
Julia S Balsam1, Paul A Stevenson2
1Institute for Biology, Faculty of Life Sciences, Leipzig University, Talstr. 33, 04103, Leipzig, Germany.
Scientific Reports
|August 18, 2021
Summary
Social interactions, particularly winning or losing fights, shape individual behavior in crickets. These experiences forge distinct personality traits, influencing whether crickets approach or avoid stimuli.
Area of Science:
- Ethology
- Animal Behavior
- Neuroethology
Background:
- Consistent inter-individual differences in animal behavior, or personality, are common but their origins are not fully understood.
- Social experiences are hypothesized to play a role in shaping these behavioral differences.
Purpose of the Study:
- To investigate how social conflict experiences influence behavioral decisions in male crickets.
- To determine if social subjugation or dominance during development affects individual behavioral responses.
Main Methods:
- Male crickets were subjected to varying social conditions: isolation, exposure to adults during development, and dyadic contests.
- Behavioral responses to an antennal stimulus (approach/avoidance) were recorded before and after social interactions.
- The duration of behavioral changes following wins or losses was assessed over several days.
Main Results:
- Prior social conflict experience, specifically winning or losing fights, consistently altered stimulus approach/avoidance behavior in male crickets.
- A single fight induced temporary behavioral changes, while successive wins or losses led to stable, long-lasting individual differences in behavior.
- Behavioral responses correlated with individual aggressiveness and motility, suggesting a proactive-reactive syndrome.
Conclusions:
- Social experiences, particularly the outcome of social conflict, are critical in forging consistent behavioral individuality in crickets.
- These findings support the existence of a proactive-reactive behavioral syndrome linked to social status and development.
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