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Foraging across the life span: is there a reduction in exploration with aging?

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TLDR
Overall, the evidence suggests that foraging behavior may undergo significant changes across the life span across internal and external search, and finds evidence of a trend toward reduced exploration with increased age.
Abstract
Does foraging change across the life span, and in particular, with aging? We report data from two foraging tasks used to investigate age differences in search in external environments as well as internal search in memory. Overall, the evidence suggests that foraging behavior may undergo significant changes across the life span across internal and external search. In particular, we find evidence of a trend towards reduced exploration with increased age. We discuss these findings in light of theories that postulate a link between aging and reductions in novelty seeking and exploratory behavior.

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Aversion to Option Loss in a Restless Bandit Task

TL;DR: This work presents two experiments using multi-armed bandit tasks in both static and dynamic environments, in situations where options can become unviable and vanish if they are not pursued, and explores the nature of this loss aversion signal.
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Decision making under uncertainty: exploration and exploitation

TL;DR: In this article, the authors proposed a method to improve the quality of the information provided by the user by using the information of the user's interaction with the service provider and the user.
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Temporal discounting across adulthood: A systematic review and meta-analysis.

TL;DR: This paper conducted a systematic literature search and meta-analysis of adult age differences in intertemporal choice tasks and found no sizeable relation between age and temporal discounting, r = -0.068, 95% CI [-0.170, 0.035] .
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Handler familiarity helps to improve working performance during novel situations in semi-captive Asian elephants

TL;DR: In this paper, the authors investigated factors driving cooperation between humans and animals in a working context through behavioural experiments with 52 working semi-captive Asian elephants and found that the familiarity and experience of the handler as well as the elephant's age and sex affected their responses when asked to perform a basic task and to cross a novel surface.
Journal ArticleDOI

Age-related deficits in motor learning are associated with altered motor exploration strategies

TL;DR: Motor learning in a body-machine interface was examined where both age-related differences in task performance as well as the coordination strategies underlying this performance were measured, suggesting exploration behaviors during motor learning are affected with aging, and highlighting the need for different practice strategies with aging.
References
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Book

Reinforcement Learning: An Introduction

TL;DR: This book provides a clear and simple account of the key ideas and algorithms of reinforcement learning, which ranges from the history of the field's intellectual foundations to the most recent developments and applications.
Book ChapterDOI

Regression Models and Life-Tables

TL;DR: The analysis of censored failure times is considered in this paper, where the hazard function is taken to be a function of the explanatory variables and unknown regression coefficients multiplied by an arbitrary and unknown function of time.
Journal ArticleDOI

The processing-speed theory of adult age differences in cognition.

TL;DR: A theory is proposed that increased age in adulthood is associated with a decrease in the speed with which many processing operations can be executed and that this reduction in speed leads to impairments in cognitive functioning because of what are termed the limited time mechanism and the simultaneity mechanism.
Journal ArticleDOI

Patterns of mean-level change in personality traits across the life course: a meta-analysis of longitudinal studies.

TL;DR: The present study used meta-analytic techniques to determine the patterns of mean-level change in personality traits across the life course and showed that people increase in measures of social dominance, conscientiousness, and emotional stability in young adulthood and decrease in both of these domains in old age.
Posted Content

A Domain-Specific Risk-Attitude Scale: Measuring Risk Perceptions and Risk Behaviors

TL;DR: This article presented a psychometric scale that assesses risk taking in various content domains: financial decisions, health/safety, recreational, ethical, and social decisions, and found that respondents' degree of risk taking was highly domain-specific, i.e. not consistently risk-averse or consistently riskseeking across all content domains.
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