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  Adaptive integration of habits into depth-limited planning defines a habitual-goal-directed spectrum

Keramati, M., Smittenaar, P., Dolan, R., & Dayan, P. (2016). Adaptive integration of habits into depth-limited planning defines a habitual-goal-directed spectrum. Proceedings of the National Academy of Sciences of the United States of America, 113(45), 12868-12873. doi:10.1073/pnas.1609094113.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0002-C306-B Versions-Permalink: https://hdl.handle.net/21.11116/0000-0002-C308-9
Genre: Zeitschriftenartikel

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https://www.pnas.org/content/pnas/113/45/12868.full.pdf (Verlagsversion)
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 Urheber:
Keramati, M, Autor
Smittenaar, P, Autor
Dolan, RJ, Autor
Dayan, P1, Autor           
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: -
 Zusammenfassung: Behavioral and neural evidence reveal a prospective goal-directed decision process that relies on mental simulation of the environment, and a retrospective habitual process that caches returns previously garnered from available choices. Artificial systems combine the two by simulating the environment up to some depth and then exploiting habitual values as proxies for consequences that may arise in the further future. Using a three-step task, we provide evidence that human subjects use such a normative plan-until-habit strategy, implying a spectrum of approaches that interpolates between habitual and goal-directed responding. We found that increasing time pressure led to shallower goal-directed planning, suggesting that a speed-accuracy tradeoff controls the depth of planning with deeper search leading to more accurate evaluation, at the cost of slower decision-making. We conclude that subjects integrate habit-based cached values directly into goal-directed evaluations in a normative manner.

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Sprache(n): eng - English
 Datum: 2016-11
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1073/pnas.1609094113
 Art des Abschluß: -

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Titel: Proceedings of the National Academy of Sciences of the United States of America
  Andere : Proc. Acad. Sci. USA
  Andere : Proc. Acad. Sci. U.S.A.
  Andere : Proceedings of the National Academy of Sciences of the USA
  Kurztitel : PNAS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Washington, D.C. : National Academy of Sciences
Seiten: - Band / Heft: 113 (45) Artikelnummer: - Start- / Endseite: 12868 - 12873 Identifikator: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230