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Optimal Foraging

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How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
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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

Learned valuation during forage decision-making in cuttlefish.

Tzu-Hsin Kuo^1,2, Chuan-Chin Chiao^1,2

¹Institute of Systems Neuroscience, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan.

Royal Society Open Science

|January 25, 2021

Summary

This summary is machine-generated.

Cuttlefish decision-making is influenced by learned relative value, not just absolute quantity. Prior experience with smaller rewards can reverse their preference for larger prey.

Keywords:

foraging cognition optimal foraging theory priming effect reinforcement learning state-dependent valuation

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Published on: August 2, 2018

Area of Science:

Animal behavior
Cognitive neuroscience
Marine biology

Background:

Decision-making in animals often relies on relative, not absolute, values.
Understanding learned valuation is key to animal foraging strategies.

Purpose of the Study:

To investigate if cuttlefish decision-making depends on relative values learned from prior experience.
To determine if previous choices alter subsequent quantity-based decisions in cuttlefish.

Main Methods:

Cuttlefish were presented with two-alternative forced choice tasks involving different quantities of shrimp.
A priming phase involved a history of choices between zero and one shrimp.
Control groups were fed without choice to rule out satiation effects.

Main Results:

Cuttlefish initially preferred a larger quantity (2 shrimp over 1).
After priming with a 0 vs. 1 shrimp choice, cuttlefish significantly preferred 1 shrimp over 2.
Control cuttlefish without priming still preferred 2 shrimp over 1, indicating learned valuation, not satiation.

Conclusions:

Cuttlefish decision-making is plastic and influenced by learned relative value.
Previous foraging experiences shape subsequent choices, demonstrating adaptive learning in prey selection.
This study highlights the role of learned valuation in animal foraging behavior.