{"id":1365,"date":"2024-09-04T17:55:18","date_gmt":"2024-09-04T17:55:18","guid":{"rendered":"https:\/\/as.vanderbilt.edu\/psychology\/?p=1365"},"modified":"2024-09-16T13:54:39","modified_gmt":"2024-09-16T13:54:39","slug":"9-12-2024-sean-polyn-capacity-not-required-a-long-term-memory-model-that-exhibits-key-signatures-of-working-memory","status":"publish","type":"post","link":"https:\/\/as.vanderbilt.edu\/psychology\/2024\/09\/04\/9-12-2024-sean-polyn-capacity-not-required-a-long-term-memory-model-that-exhibits-key-signatures-of-working-memory\/","title":{"rendered":"9\/12\/2024 Sean Polyn: Capacity not required: A long-term memory model that exhibits key signatures of working memory"},"content":{"rendered":"<h4>CCN Brown Bag<\/h4>\n<h3><img loading=\"lazy\" class=\"alignnone size-medium wp-image-1366 alignleft\" src=\"https:\/\/cdn.vanderbilt.edu\/vu-cas\/wp-content\/uploads\/sites\/58\/2024\/09\/04174953\/Sean-Polyn-201x300.jpg\" alt=\"Sean Polyn\" width=\"201\" height=\"300\" srcset=\"https:\/\/cdn.vanderbilt.edu\/vu-cas\/wp-content\/uploads\/sites\/58\/2024\/09\/04174953\/Sean-Polyn-201x300.jpg 201w, https:\/\/cdn.vanderbilt.edu\/vu-cas\/wp-content\/uploads\/sites\/58\/2024\/09\/04174953\/Sean-Polyn.jpg 250w\" sizes=\"(max-width: 201px) 100vw, 201px\" \/><a href=\"https:\/\/as.vanderbilt.edu\/psychology\/bio\/sean-polyn\/\"><span class=\"e2ma-style\">Sean Polyn, PhD<\/span><\/a><\/h3>\n<p><span class=\"e2ma-style\">Associate Professor of Psychology<br \/>\nAssociate Professor of Psychiatry<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Date<\/strong>:\u00a0Thursday, September 12, 2024<br \/>\n<strong>Time<\/strong>:\u00a012:10PM-1:00PM<br \/>\n<strong>Location<\/strong>:\u00a0316 Wilson Hall<\/p>\n<p>&nbsp;<\/p>\n<h6><strong>Capacity not required: A long-term memory model that exhibits key signatures of working memory<\/strong><\/h6>\n<p>The idea of a limited-capacity short-term storage system as a key component of the human memory system has a long history going back to William James\u2019 theory of primary and secondary memory. During the cognitive revolution of the 1960s Atkinson &amp; Shiffrin developed a computational framework for this distinction with their interactive short-term and long-term memory systems. They pointed to certain empirical effects, e.g., the recency effect in immediate free recall, as supportive of the existence of a short-term store. In the verbal memory literature, the theoretical necessity of a limited-capacity short term memory system was questioned as early as the mid-1970s, with researchers showing that the recency effect in immediate free recall had characteristics inconsistent with a short-term storage system. However, in the visual memory literature the short-term storage system persists as an explanation for performance limitations in visual working memory tasks, e.g., in the slot-based working memory system promoted by Luck &amp; Vogel. In the study of visual working memory, it is viewed as critical to show a capacity limit in storage as a way of demonstrating that one is measuring the limited-capacity working memory store and not the unlimited capacity long-term memory store. Here we (Polyn &amp; Woodman, submitted) show that the several of the set size effects often used to validate the assumption that one is studying working memory are also observed as a natural result of the dynamics of contextual models of long-term memory storage and retrieval. We discuss how the situation motivates a re-examination of unified models of human memory.<\/p>\n<p>Questions? Contact <a href=\"mailto:isabel.gauthier@vanderbilt.edu\">Isabel Gauthier<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CCN Brown Bag Sean Polyn, PhD Associate Professor of Psychology Associate Professor of Psychiatry &nbsp; Date:\u00a0Thursday, September 12, 2024 Time:\u00a012:10PM-1:00PM Location:\u00a0316 Wilson Hall &nbsp; Capacity not required: A long-term memory model that exhibits key signatures of working memory The idea of a limited-capacity short-term storage system as a key component of the human memory system&#8230;<\/p>\n","protected":false},"author":159,"featured_media":1367,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"acf":[],"jetpack_featured_media_url":"https:\/\/cdn.vanderbilt.edu\/vu-cas\/wp-content\/uploads\/sites\/58\/2024\/09\/04175512\/CCN-Sean-Polyn-pdf.jpg","_links":{"self":[{"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/posts\/1365"}],"collection":[{"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/users\/159"}],"replies":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/comments?post=1365"}],"version-history":[{"count":4,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/posts\/1365\/revisions"}],"predecessor-version":[{"id":1371,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/posts\/1365\/revisions\/1371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/media\/1367"}],"wp:attachment":[{"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/media?parent=1365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/categories?post=1365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/as.vanderbilt.edu\/psychology\/wp-json\/wp\/v2\/tags?post=1365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}