Re-appreciating the why of cognition: 35 years after Marr and Poggio

Marr and Poggio's levels of description are one of the most well-known theoretical constructs of 20th century cognitive science. It entails that behavior can and should be considered at three different levels: computation, algorithm, and implementation. In this contribution focus is on the top...

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Main Author: Roel M Willems
Format: Article
Language:English
Published: Frontiers Media S.A. 2011-09-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpsyg.2011.00244/full
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author Roel M Willems
author_facet Roel M Willems
author_sort Roel M Willems
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description Marr and Poggio's levels of description are one of the most well-known theoretical constructs of 20th century cognitive science. It entails that behavior can and should be considered at three different levels: computation, algorithm, and implementation. In this contribution focus is on the top level in Marr and Poggio's scheme: the computational level of description, the level that describes the 'why' of cognition. I argue that the computational level should be taken as a starting point in devising experiments in cognitive science. Instead, the starting point in empirical practice often is a focus on the stimulus or on some capacity of the cognitive system. The 'why' of cognition tends to be ignored when designing research, and is not considered in subsequent inference from experimental results. The overall aim of this manuscript is to show how re-appreciation of the computational level of description as a starting point for experiments can lead to more informative experimentation.
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spelling doaj.art-901b159c1dad49e4b6c1caef0df63b892022-12-22T03:57:07ZengFrontiers Media S.A.Frontiers in Psychology1664-10782011-09-01210.3389/fpsyg.2011.0024412862Re-appreciating the why of cognition: 35 years after Marr and PoggioRoel M Willems0Donders Institute for Brain, Cognition and BehaviourMarr and Poggio's levels of description are one of the most well-known theoretical constructs of 20th century cognitive science. It entails that behavior can and should be considered at three different levels: computation, algorithm, and implementation. In this contribution focus is on the top level in Marr and Poggio's scheme: the computational level of description, the level that describes the 'why' of cognition. I argue that the computational level should be taken as a starting point in devising experiments in cognitive science. Instead, the starting point in empirical practice often is a focus on the stimulus or on some capacity of the cognitive system. The 'why' of cognition tends to be ignored when designing research, and is not considered in subsequent inference from experimental results. The overall aim of this manuscript is to show how re-appreciation of the computational level of description as a starting point for experiments can lead to more informative experimentation.http://journal.frontiersin.org/Journal/10.3389/fpsyg.2011.00244/fullCognitioncontextcomputational levelgoalMarr
spellingShingle Roel M Willems
Re-appreciating the why of cognition: 35 years after Marr and Poggio
Frontiers in Psychology
Cognition
context
computational level
goal
Marr
title Re-appreciating the why of cognition: 35 years after Marr and Poggio
title_full Re-appreciating the why of cognition: 35 years after Marr and Poggio
title_fullStr Re-appreciating the why of cognition: 35 years after Marr and Poggio
title_full_unstemmed Re-appreciating the why of cognition: 35 years after Marr and Poggio
title_short Re-appreciating the why of cognition: 35 years after Marr and Poggio
title_sort re appreciating the why of cognition 35 years after marr and poggio
topic Cognition
context
computational level
goal
Marr
url http://journal.frontiersin.org/Journal/10.3389/fpsyg.2011.00244/full
work_keys_str_mv AT roelmwillems reappreciatingthewhyofcognition35yearsaftermarrandpoggio