{"id":164,"date":"2019-08-01T20:27:53","date_gmt":"2019-08-01T20:27:53","guid":{"rendered":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/?page_id=164"},"modified":"2019-08-01T20:27:53","modified_gmt":"2019-08-01T20:27:53","slug":"nature-of-graphic-motor-plans","status":"publish","type":"page","link":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/current-projects\/reading-and-writing-words\/nature-of-graphic-motor-plans\/","title":{"rendered":"Nature of Graphic Motor Plans"},"content":{"rendered":"

\"\"<\/p>\n

Writing involves multiple levels of representation, starting with a concept to be expressed, and ending with neuromuscular commands that drive the writing movements.\u00a0 This research focuses on one of these levels, that of the\u00a0graphic motor plan<\/em>.<\/p>\n

Most theorists assume that when we learn to write a character, such as upper-case manuscript A, we learn a motor plan that specifies the sequence of writing strokes for producing the character.\u00a0 The graphic motor plans are thought to be effector-independent, meaning that they can be executed with any effector.\u00a0 On this account, once you have learned a motor plan for writing A, you can execute that plan with your right hand, left foot, nose, or so forth.<\/p>\n

\"\"<\/p>\n

In current work we are exploring a variety of questions concerning graphic motor plans (e.g., how are stroke patterns represented in graphic motor plans; are the plans effector-independent)?\u00a0 In our studies participants write on a graphics tablet, and we analyze pen movements to characterize stroke patterns as well as other features of the writing (e.g., dysfluencies).\u00a0 Participants include neurotypical adults, and brain-damaged individuals with writing deficits.<\/p>\n

\""FROZEN"<\/p>\n

One recent study probed writing in NGN, a 77-year-old man who suffered a stroke.\u00a0 NGN\u2019s ability to spell words was intact, as indicated by his normal performance in spelling words aloud (e.g., dictated stimulus \u201cblack\u201d, response \u201cB-L-A-C-K\u201d).\u00a0 However, when writing words, NGN made frequent letter substitution errors, as shown in these examples:<\/p>\n

\"\"<\/p>\n

Analyses of NGN\u2019s impaired writing performance, including pen velocities for correct and incorrect letters, led to conclusions about working memory processes in writing, stroke representations in graphic motor plans, and NGN\u2019s deficit in activation of graphic motor plans.<\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Writing involves multiple levels of representation, starting with a concept to be expressed, and ending with neuromuscular commands that drive the writing movements.\u00a0 This research focuses on one of these levels, that of the\u00a0graphic motor plan. Most theorists assume that when we learn to write a character, such as upper-case manuscript A, we learn a […]<\/p>\n","protected":false},"author":95,"featured_media":0,"parent":157,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-164","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/pages\/164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/comments?post=164"}],"version-history":[{"count":5,"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/pages\/164\/revisions"}],"predecessor-version":[{"id":188,"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/pages\/164\/revisions\/188"}],"up":[{"embeddable":true,"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/pages\/157"}],"wp:attachment":[{"href":"https:\/\/sites.krieger.jhu.edu\/mccloskey-lab\/wp-json\/wp\/v2\/media?parent=164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}