{"id":26476,"date":"2018-07-08T16:47:30","date_gmt":"2018-07-08T20:47:30","guid":{"rendered":"http:\/\/therapytoronto.ca\/news\/?p=26476"},"modified":"2018-06-01T01:49:06","modified_gmt":"2018-06-01T05:49:06","slug":"study-suggests-language-proficiency-can-be-gauged-through-eye-movement","status":"publish","type":"post","link":"https:\/\/therapytoronto.ca\/news\/2018\/07\/study-suggests-language-proficiency-can-be-gauged-through-eye-movement\/","title":{"rendered":"Study suggests language proficiency can be gauged through eye movement"},"content":{"rendered":"<p>From the Massachusetts Institute of Technology press release:<\/p>\n<blockquote>\n<p id=\"first\" class=\"lead\"><img loading=\"lazy\" class=\"alignright size-full wp-image-10966\" src=\"http:\/\/therapytoronto.ca\/news\/wp-content\/uploads\/2013\/02\/eyesight_vision.jpg\" alt=\"\" width=\"300\" height=\"201\" \/>A study by MIT researchers has uncovered <strong>a new way of telling how well people are learning English: tracking their eyes<\/strong>.<\/p>\n<div id=\"text\">\n<p>That&#8217;s right. Using data generated by cameras trained on readers&#8217; eyes, the research team has found that <strong>patterns of eye movement<\/strong> &#8212; particularly how long people&#8217;s eyes rest on certain words &#8212; <strong>correlate strongly with performance on standardized tests of English as a second language<\/strong>.<\/p>\n<p>&#8220;To a large extent [eye movement] captures linguistic proficiency, as we can measure it against benchmarks of standardized tests,&#8221; says Yevgeni Berzak, a postdoc in MIT&#8217;s Department of Brain and Cognitive Sciences (BCS) and co-author of a new paper outlining the research. He adds: &#8220;The signal of eye movement during reading is very rich and very informative.&#8221;<\/p>\n<p>Indeed, the researchers even suggest the new method has potential use as a testing tool. &#8220;It has real potential applications,&#8221; says Roger Levy, an associate professor in BCS and another of the study&#8217;s co-authors.<\/p>\n<p>The paper, &#8220;Assessing Language Proficiency from Eye Movements in Reading,&#8221; is being published in the Proceedings of the 16th Annual Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies. The authors are Berzak, a postdoc in the Computational Psycholinguistics Group in BCS; Boris Katz, a principal research scientist and head of the InfoLab Group at MIT&#8217;s Computer Science and Artificial Intelligence Laboratory (CSAIL); and Levy, who also directs the Computational Psycholinguistics Lab in BCS.<\/p>\n<p><strong>The illusion of continuity<\/strong><\/p>\n<p>The study delves into a phenomenon about reading that we may never notice, no matter how much we read: <strong>Our eyes do not move continuously along a string of text, but instead fix on particular words for up to 200 to 250 milliseconds<\/strong>. We also take leaps from one word to another that may last about 1\/20 of a second.<\/p>\n<p>&#8220;Although you have a subjective experience of a continuous, smooth pass over text, that&#8217;s absolutely not what your eyes are doing,&#8221; says Levy. &#8220;Your eyes are jumping around, mostly forward, sometimes backward. Your mind stitches together a smooth experience. &#8230; It&#8217;s a testimony to the ability of the mind to create illusions.&#8221;<\/p>\n<p><strong>But if you are learning a new language, your eyes may dwell on particular words for longer periods of time, as you try to comprehend the text<\/strong>. The particular pattern of eye movement, for this reason, can reveal a lot about comprehension, at least when analyzed in a clearly defined context.<\/p>\n<p>To conduct the study, the researchers used a dataset of eye movement records from work conducted by Berzak. The dataset has 145 students of English as a second language, divided almost evenly among four native languages &#8212; Chinese, Japanese, Portugese, and Spanish &#8212; as well as 37 native English speakers.<\/p>\n<p>The readers were given 156 sentences to read, half of which were part of a &#8220;fixed test&#8221; in which everyone in the study read the same sentences. The video footage enabled the research team to focus intensively on a series of duration times &#8212; the length of time readers were fixated on particular words.<\/p>\n<p>The research team called the set of metrics they used the &#8220;EyeScore.&#8221; After evaluating how it correlated with the Michigan English Test (MET) and the Test of English as a Foreign Language (TOEFL), they concluded in the paper that the EyeScore method produced &#8220;competitive results&#8221; with the standardized tests, &#8220;further strengthening the evidence for the ability of our approach to capture language proficiency.&#8221;<\/p>\n<p>As a result, the authors write, the new method is &#8220;the first proof of concept for a system which utilizes eye tracking to measure linguistic ability.&#8221;<\/p>\n<p><strong>Sentence by sentence<\/strong><\/p>\n<p>As the researchers see it, the current study is just one step on a longer journey of exploration about the interactions of language and cognition.<\/p>\n<p>As Katz says, &#8220;The bigger question is, how does language affect your brain?&#8221; Given that we only began processing written text within the last several thousand years, he notes, our reading ability is an example of the &#8220;amazing plasticity&#8221; of the brain. Before too long, he adds, &#8220;We could actually be in a position to start answering these questions.&#8221;<\/p>\n<p>Levy, for his part, thinks that it may be possible to make these eye tests about reading more specific. Rather than evaluating reader comprehension over a corpus of 156 sentences, as the current study did, experts might be able to render more definitive judgments about even smaller strings of text.<\/p>\n<p>&#8220;One thing that we would hope to do in the future that we haven&#8217;t done yet, for example, is ask, on a sentence-by-sentence basis, to what extent can we tell how well you understood a sentence by the eye movements you made when you read it,&#8221; Levy says. &#8220;That&#8217;s an open question nobody&#8217;s answered. We hope we might be able to do that in the future.&#8221;<\/p>\n<p>The study was supported, in part, by MIT&#8217;s Center for Brains, Minds, and Machines, through a National Science Foundation grant.<\/p>\n<\/div>\n<\/blockquote>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>From the Massachusetts Institute of Technology press release: A study by MIT researchers has uncovered a new way of telling how well people are learning English: tracking their eyes. That&#8217;s&#8230; <a class=\"read-more-link\" href=\"https:\/\/therapytoronto.ca\/news\/2018\/07\/study-suggests-language-proficiency-can-be-gauged-through-eye-movement\/\">Read more &raquo;<\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[319,6],"tags":[42,25,19,93,41],"_links":{"self":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/26476"}],"collection":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/comments?post=26476"}],"version-history":[{"count":2,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/26476\/revisions"}],"predecessor-version":[{"id":26720,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/posts\/26476\/revisions\/26720"}],"wp:attachment":[{"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/media?parent=26476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/categories?post=26476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/therapytoronto.ca\/news\/wp-json\/wp\/v2\/tags?post=26476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}