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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
Published on: August 1, 2018
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Monkeys exhibit human-like gaze biases in economic decisions
Shira M Lupkin1,2, Vincent B McGinty1
1Center for Molecular and Behavioral Neuroscience, Rutgers University, Newark, United States.
Elife
|July 27, 2023
Summary
Monkeys exhibit gaze biases similar to humans during economic decisions. This study introduces a new task to model these biases, suggesting a shared mechanism for value-based choices across species.
Area of Science:
- Neuroscience
- Behavioral Economics
- Primate Cognition
Background:
- Economic decision-making relies on perceived value.
- Gaze behavior during choices influences human decisions, showing biases.
- A common mechanism linking gaze and value-based choices is hypothesized.
Purpose of the Study:
- To develop and validate a macaque monkey model for studying gaze biases in economic decisions.
- To investigate if gaze patterns in monkeys mirror human choice biases.
- To explore the neural underpinnings of gaze-influenced decision-making.
Main Methods:
- Developed a novel value-based choice task for macaque monkeys.
- Recorded and analyzed macaque gaze patterns during decision tasks.
- Applied a sequential sampling model to explain observed gaze biases.
Main Results:
- Macaque monkeys displayed gaze biases qualitatively and quantitatively similar to humans.
- Gaze biases were influenced by viewing duration and order.
- A sequential sampling model successfully explained the monkeys' gaze biases.
Conclusions:
- The macaque model effectively captures human-like gaze biases in economic decision-making.
- Findings suggest a conserved mechanism for gaze-influenced choices across species.
- This research paves the way for neuroscientific studies into the origins of these behaviors.
Keywords:
animal modeldecision makingeconomic choicefree-viewingneurosciencenonhuman primatesrhesus macaquesequential sampling modelsMore Related Videos
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