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Capuchin monkeys (Sapajus apella) failed to seek information for their potential forgetting in a computerized task
Reiki Kishimoto1, Sumie Iwasaki2, Kazuo Fujita2
1Graduate School of Letters, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, 606-8501, Japan. kishimoto.r.k@gmail.com.
Primates; Journal of Primatology
|February 29, 2020
Summary
Capuchin monkeys may seek information to prevent memory loss. Monkeys re-presented information more often after longer delays, but this wasn't necessarily metacognition.
Area of Science:
- Cognitive Science
- Animal Behavior
- Primate Cognition
Background:
- Memory is susceptible to fading over time.
- Anticipating memory loss can prompt individuals to re-encode information.
- While animals monitor memory, prospective information-seeking to prevent forgetting is less studied.
Purpose of the Study:
- To investigate if capuchin monkeys prospectively seek information to counteract potential memory forgetting.
- To determine if monkeys adjust information-seeking behavior based on anticipated memory decay.
Main Methods:
- Three capuchin monkeys participated in a delayed matching-to-sample task.
- A cue indicated either a short or long delay period.
- Subjects could choose to re-seek sample information after the delay onset.
Main Results:
- Two monkeys sought re-presentation more frequently following longer delays compared to shorter delays.
- This suggests an awareness of the need for re-presentation based on delay length.
- Further tests did not provide evidence for metacognitive control of this behavior.
Conclusions:
- Capuchin monkeys demonstrate anticipatory behavior related to memory retention based on delay length.
- The findings suggest a potential for prospective information-seeking in monkeys to mitigate forgetting.
- Further research is needed to confirm metacognitive capabilities in prospective memory management in capuchin monkeys.
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