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{ "pk": 28698, "title": "A Familiarity-dependent Retrieval Threshold in ACT-R", "subtitle": null, "abstract": "In their current functional form, ACT-R’s retrieval equations\ndo not account for the left side of the RT-distance relation, that\nis, that as memory activation decreases, so does response time\nfor retrieval failures. To accommodate this effect, I propose\nthat the memory system uses the familiarity of the encoded\nobject to gauge how much effort it should devote to retrieval. I\nquantify the degree of familiarity through the match score,\nwhich is the output of a global matching process. Familiarity,\nin turn, directly determines what the retrieval threshold should\nbe. Adding a familiarity process orthogonal to recollection is\nin line with neuroimaging results, which uncover parallel\nfamiliarity and retrieval processes. The developments in this\npaper extend ACT-R’s memory theory into a dual process\ntheory.", "language": "eng", "license": { "name": "", "short_name": "", "text": null, "url": "" }, "keywords": [ { "word": "ACT-R" }, { "word": "declarative memory" }, { "word": "Familiarity" }, { "word": "retrieval\nthreshold" } ], "section": "Papers with Poster Presentations", "is_remote": true, "remote_url": "https://escholarship.org/uc/item/5gt2v46c", "frozenauthors": [ { "first_name": "Cvetomir", "middle_name": "M.", "last_name": "Dimov", "name_suffix": "", "institution": "Carnegie Mellon University", "department": "" } ], "date_submitted": null, "date_accepted": null, "date_published": "2019-01-01T18:00:00Z", "render_galley": null, "galleys": [ { "label": "PDF", "type": "pdf", "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/28698/galley/18569/download/" } ] }