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" Adaption Versus Phylogeny: The Role of Animal Psychology in The Study of Human Behavior "
Tooby, John; Cosmides, Leda
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AL
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| Record Number
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935259
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LA19q5b46g
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| Language of Document
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English
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| Main Entry
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Tooby, John; Cosmides, Leda
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| Title & Author
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Adaption Versus Phylogeny: The Role of Animal Psychology in The Study of Human Behavior [Article]\ Tooby, John; Cosmides, Leda
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| Title of Periodical
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International Journal of Comparative Psychology
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2/3
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| Date
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1989
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| Abstract
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Advocates of Darwinian approaches to the study of behavior are divided over what an evolutionary perspective is thought to entail. Some take ''evolution-mindedness'' to mean ''phylogeny-mindedness,'' whereas others take it to mean ''adaptationmindedness.'' Historically, comparative psychology began as the search for mental continuities between humans and other animals: a phylogenetic approach. Independently, ethologists and now behavioral ecologists have placed far more emphasis on the nichedifferentiated mental abilities unique to the species being investigated: an adaptive approach. We argue that the output of complex, dynamical systems can be dramatically changed by only minor changes in internal structure. Because selection acts on the consequences of behavior, the behavioral output of the psyche will be easily shaped by adaptive demands over evolutionary time, even though the modification of the neurophysiological substrate necessary to create such adaptive changes may be minor. Thus, adaptation-mindedness will be most illuminating in the study of cognition and behavior, whereas phylogeny-mindedness will be most illuminating in the study of their neurophysiological substrates. Similarly, a phylogenetic approach to cognition and behavior is likely to cause one to overlook our most interesting, complexly designed species-typical traits, whereas using animal psychology to exfoliate general principles of behavioral ecology represents our best hope of understanding humanity's many zoologically unique characteristics.
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