Abstract：
:Foraging in a variable environment presents a classic problem of decision making with incomplete information. Animals must track the changing environment, remember the best options and make choices accordingly. While several experimental studies have explored the idea that sampling behavior reflects the amount of environmental change, we take the next logical step in asking how change influences memory. We explore the hypothesis that memory length should be tied to the ecological relevance and the value of the information learned, and that environmental change is a key determinant of the value of memory. We use a dynamic programming model to confirm our predictions and then test memory length in a factorial experiment. In our experimental situation we manipulate rates of change in a simple foraging task for blue jays over a 36 h period. After jays experienced an experimentally determined change regime, we tested them at a range of retention intervals, from 1 to 72 h. Manipulated rates of change influenced learning and sampling rates: subjects sampled more and learned more quickly in the high change condition. Tests of retention revealed significant interactions between retention interval and the experienced rate of change. We observed a striking and surprising difference between the high and low change treatments at the 24h retention interval. In agreement with earlier work we find that a circadian retention interval is special, but we find that the extent of this 'specialness' depends on the subject's prior experience of environmental change. Specifically, experienced rates of change seem to influence how subjects balance recent information against past experience in a way that interacts with the passage of time.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Dunlap AS,Stephens DWdoi
10.1016/j.beproc.2011.10.005subject
Has Abstractpub_date
2012-02-01 00:00:00pages
86-94issue
2eissn
0376-6357issn
1872-8308pii
S0376-6357(11)00198-7journal_volume
89pub_type
杂志文章abstract：:Proceptive and receptive aspects of behaviour were studied during the oestrus cycle of the female pig. These aspects were studied in a T-maze with one or two stimulus compartments that did or did not contain a teaser boar. Receptive behaviour was observed during several consecutive days and was quantified in front of ...
journal_title：Behavioural processes
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journal_title：Behavioural processes
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更新日期：2014-10-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/0376-6357(84)90034-2
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journal_title：Behavioural processes
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pub_type： 杂志文章
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更新日期：1993-02-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2012.01.011
更新日期：2012-06-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2014.09.026
更新日期：2014-11-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2012.04.008
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journal_title：Behavioural processes
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doi：10.1016/j.beproc.2009.01.003
更新日期：2009-06-01 00:00:00
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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doi：10.1016/j.beproc.2010.02.003
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2005.08.001
更新日期：2005-11-01 00:00:00
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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journal_title：Behavioural processes
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更新日期：2013-07-01 00:00:00
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journal_title：Behavioural processes
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更新日期：2021-02-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2017.12.015
更新日期：2018-02-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章
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journal_title：Behavioural processes
pub_type： 杂志文章
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journal_title：Behavioural processes
pub_type： 杂志文章
doi：10.1016/j.beproc.2015.02.013
更新日期：2015-06-01 00:00:00
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journal_title：Behavioural processes
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.beproc.2007.02.010
更新日期：2007-05-01 00:00:00
abstract：:The present article traces the development of Timberlake's behavior systems framework while noting connections between it and Kantor's interbehavioral psychology. Congruent with Timberlake's behavior systems approach, interbehaviorists assert that (a) behavior is best understood as part of a complex causal system inst...
journal_title：Behavioural processes
pub_type： 杂志文章,评审
doi：10.1016/j.beproc.2018.11.001
更新日期：2019-01-01 00:00:00
