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Evo-Devo Meets the Mind: Towards a Developmental Evolutionary Psychology

Griffiths, Paul E (2001) Evo-Devo Meets the Mind: Towards a Developmental Evolutionary Psychology. [Preprint]


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The emerging discipline of evolutionary developmental biology has opened up many new lines of investigation into morphological evolution. Here I explore how two of the core theoretical concepts in evo-devo modularity and homology apply to evolutionary psychology. I distinguish three sorts of module - developmental, functional and mental modules and argue that mental modules need only be virtual functional modules. Evolutionary psychologists have argued that separate mental modules are solutions to separate evolutionary problems. I argue that the structure of developmental modules in an organism helps determine what counts as a separate evolutionary problem for that organism. I suggest that homology as an organizing principle for research in evolutionary psychology, has been severely neglected in favor of analogy (adaptive function). I consider some arguments suggesting that determining homology is less epistemically demanding than determining adaptive function and argue that psychological categories defined by homology are, in fact, more suitable objects of psychological - and particularly neuropsychological - investigation than categories defined by analogy. Extrapolations of experimental results in neuropsychology to homologues of the experimental system are warranted, but similar extrapolations to analogues are not warranted.

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Item Type: Preprint
Griffiths, Paul E
Keywords: evolutionary developmental biology development evolutionary psychology modules modularity analogy homology adaptive function projectibility
Subjects: Specific Sciences > Biology > Developmental Biology
Specific Sciences > Biology > Evolutionary Psychology
Specific Sciences > Biology > Function/Teleology
Depositing User: Professor Paul Edmund Griffiths
Date Deposited: 17 Feb 2002
Last Modified: 13 Sep 2015 15:04
Item ID: 567

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