{"id":661,"date":"2023-12-06T03:56:35","date_gmt":"2023-12-06T11:56:35","guid":{"rendered":"https:\/\/dornsife.usc.edu\/langdevlab\/?page_id=661"},"modified":"2025-04-13T17:01:50","modified_gmt":"2025-04-14T00:01:50","slug":"research","status":"publish","type":"page","link":"https:\/\/dornsife.usc.edu\/langdevlab\/research\/","title":{"rendered":"Research"},"content":{"rendered":"\n\n\n\n\n  \n  \n    \n    \n  \n    \n    \n  \n    \n  \n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--interactive-content-pane \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--interactive-content-pane\"\n    \n      >\n\n    \n<div class=\"inner-wrapper\">\n  <div class=\"left\">\n              \n<div class=\"f--field f--section-title\">\n\n    \n  <h2>\n          Exploration Approach\n      <\/h2>\n\n\n<\/div>\n      \n    <div class=\"pagination-wrapper\">\n      <ul class=\"interactive-content-pane-pagination\"><\/ul>\n    <\/div>\n  <\/div>\n\n  <div class=\"right\">\n          <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Our Questions\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>In the Language Development Lab we investigate many different facets of language development in children, with the goal of understanding how typically developing children learn from exposure to the language spoken around them and addressed to them by adults. The questions we explore range from how infants begin to figure out what sequences of sounds in their language are words, what the words mean, and how words combine to form grammatical sentences. \u00a0Our current studies involve monolingually exposed infants, as well as infants acquiring multiple languages.<\/p>\n<p>&nbsp;<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Our Motivation\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>The most immediate motivation for our research is to better understand the cognitive mechanisms that support the rich and uniquely human capacity of language acquisition, including the similarities and differences between these mechanisms and those that support learning and cognition in other domains, and other species. \u00a0The broader significance of our research is in gaining insight into what happens when normal language acquisition is impaired.<\/p>\n<p>&nbsp;<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Our Studies\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>Below is a brief selection of some of the recent and ongoing studies with infants and children in the Language Development Lab. Although the primary focus of the lab is language development in infants and young children, our methods also involve experiments with adults, typically using minature aritifical languages that mimic certain properoties of natural languages. \u00a0These experiments yield insights into the kind of learning processes humans possess that may be relevant to language learning, and they also inform us as we design experiments for infants and young children. In addition, we use computer analyses to test our theories of language acquisition.<\/p>\n<p>In our studies, infants listen to words or look at video displays, and we monitor what they like to listen to or look at most. Toddlers participate in play sessions with the experimenter which involve new, interesting toys or objects which we sometimes describe to the children using new words, and we see what they think the words mean.<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                  <\/div>\n      <\/div>\n      <\/div>\n  \n<\/div>\n\n\n\n  <div class=\"background-images\">\n          <div class=\"swiper swiper-background-images\">\n        <div class=\"swiper-wrapper\">\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-oZuBNC-6E2s-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-oZuBNC-6E2s-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-oZuBNC-6E2s-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-oZuBNC-6E2s-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/robina-weermeijer-3KGF9R_0oHs-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/robina-weermeijer-3KGF9R_0oHs-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/robina-weermeijer-3KGF9R_0oHs-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/robina-weermeijer-3KGF9R_0oHs-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/la-rel-easter-KuCGlBXjH_o-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/la-rel-easter-KuCGlBXjH_o-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/la-rel-easter-KuCGlBXjH_o-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/la-rel-easter-KuCGlBXjH_o-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                  <\/div>\n      <\/div>\n      <\/div>\n\n\n\n  <\/div><\/div>\n\n\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n      \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <p>Check out the descriptions of some of our studies below, and if you think you might want to get involved, use the <a href=\"https:\/\/dornsife.usc.edu\/langdevlab\/participate\/\">Participate<\/a> tab to let us know who you are!<\/p>\n\n\n\n<\/div>\n\n\n  <\/div><\/div>\n\n\n\n\n\n  \n  \n    \n    \n  \n    \n    \n  \n    \n    \n  \n    \n  \n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--interactive-content-pane \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--interactive-content-pane\"\n    \n      >\n\n    \n<div class=\"inner-wrapper\">\n  <div class=\"left\">\n              \n<div class=\"f--field f--section-title\">\n\n    \n  <h2>\n          Learning Language Structure\n      <\/h2>\n\n\n<\/div>\n      \n    <div class=\"pagination-wrapper\">\n      <ul class=\"interactive-content-pane-pagination\"><\/ul>\n    <\/div>\n  <\/div>\n\n  <div class=\"right\">\n          <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Infants &#038; Language Structure\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>Infants begin to show knowledge of the structure of their language by the time they are 12 months old. \u00a0Even though they are just beginning to produce their first words at that age, they already recognize some grammatical patterns in their language. \u00a0When and how do they start learning how the grammar of their language works?<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Question or Statement?\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>In English and many other languages, a questions and statements order words differently. \u00a0For example, compare\u00a0<em>Anna likes chocolate <\/em>with\u00a0<em>What does Anna like?<\/em>:\u00a0The question contains words that the statement version doesn&#8217;t have, and the words that occur in both sentences occur in different positions. \u00a0Because staements and questions have different structures, children learning a language like English must figure which utterances are statements and which are questions in order to figure out the rules for forming each sentence type. \u00a0We are exploring how early and by what means, child learners are able to make this critical distinction. \u00a0So far, we have found that by the time infants are just 12 months old (when they have barely started to walk and to produce their first words), infants can differentiate certain types of questions from statements. \u00a0Our ongoing experiments are probing whether this ability is present even earlier.<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                What Goes Together?\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>Some of the studies in the lab investigate infants&#8217; developing knowledge of English (see above). \u00a0However, sometimes it is useful to use simple\u00a0<em>artificial <\/em>languages that have grammars that we design to resemble real languages in particular ways. \u00a0We expose infants to brief passages of the language, and test what kinds of patterns they are able to detect. \u00a0In one set of studies, we use such languages to test theories about when and how infants are able to learn that certain words in a sentence are related, as in English where the verb form depends on the subject of a sentence (e.g., <em>they walk<\/em> but\u00a0<em>she<\/em> <em>walk<strong>s<\/strong><\/em>). \u00a0From\u00a0studies using artifiical languages we gain insights when and how infants can learn similar kinds of properties of real languages.<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                      <div class=\"swiper-slide\">\n              <h3 class=\"pane-title\">\n                Noun or Verb?\n              <\/h3>\n                                  \n<div class=\"f--field f--description\">\n\n    \n  <p>An important part of learning the grammar of a language is learning the grammatical categories of words, such as noun and verb. \u00a0It appears that infants between 12 and 18 months can use the grammatical structure surrounding an unfamiliar word to figure out its category. \u00a0We have designed experiments using artificial languages as well as English to investigate what kinds of information infants and young toddlers use to figure out the cateogries of words.<\/p>\n\n\n\n<\/div>\n                          \n  \n                          <\/div>\n                  <\/div>\n      <\/div>\n      <\/div>\n  \n<\/div>\n\n\n\n  <div class=\"background-images\">\n          <div class=\"swiper swiper-background-images\">\n        <div class=\"swiper-wrapper\">\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/brett-jordan-POMpXtcVYHo-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/brett-jordan-POMpXtcVYHo-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/brett-jordan-POMpXtcVYHo-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/brett-jordan-POMpXtcVYHo-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-5u6bz2tYhX8-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-5u6bz2tYhX8-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-5u6bz2tYhX8-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/towfiqu-barbhuiya-5u6bz2tYhX8-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/ann-ann-egWM1h-Kdq0-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/ann-ann-egWM1h-Kdq0-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/ann-ann-egWM1h-Kdq0-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/ann-ann-egWM1h-Kdq0-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                      <div class=\"swiper-slide\">\n                                                                  \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img decoding=\"async\"\n                            src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/glen-carrie-oHoBIbDj7lo-unsplash-768x432.jpg\"\n          srcset=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/glen-carrie-oHoBIbDj7lo-unsplash-1920x1080.jpg 1920w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/glen-carrie-oHoBIbDj7lo-unsplash-1280x720.jpg 1280w,https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/glen-carrie-oHoBIbDj7lo-unsplash-768x432.jpg 768w\"          sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"\n        \n                  role=\"none\"\n        \n        role=\"presentation\"\n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n                          <\/div>\n\n                  <\/div>\n      <\/div>\n      <\/div>\n\n\n\n  <\/div><\/div>\n\n\n\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n      \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <h2 style=\"text-align: center;\"><strong>Figuring Out What Words Mean<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-693 alignright\" src=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/wheelthing.gif\" alt=\"\" width=\"94\" height=\"70\" \/><\/p>\n<p>In addition to learning the grammatical structure of their language, and how words go together in a sentence, children also learn what words mean. \u00a0Much of that learning early on comes from simply hearing language used. \u00a0Infants and young toddlers appear to have very sophisticated mechanisms for helping them figure out what concepts about objects, object properties, actions, feelings, etc., words mean. \u00a0Our lab is interested in understanding what kinds of information children learn to help them figure out what words mean from hearing them used. \u00a0Some of our experiments involve interesting made-up objects, like the one on the right.<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><strong>Picking Out the Words From All the Speech and Noise<\/strong><\/h2>\n<p>Infants are really superb at figuring out the words in the language they hear around them. Even the most sophisticated computers, however, have great difficulty doing this. How do babies do it? \u00a0That&#8217;s another question we are investigating in the lab.<\/p>\n\n\n\n<\/div>\n\n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":550,"featured_media":815,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-661","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Research - USC Language Development Lab<\/title>\n<meta name=\"description\" content=\"Explore research at the Language Development Lab. Gain insights into how infants and young children learn language.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research - USC Language Development Lab\" \/>\n<meta property=\"og:description\" content=\"Explore research at the Language Development Lab. Gain insights into how infants and young children learn language.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/\" \/>\n<meta property=\"og:site_name\" content=\"USC Language Development Lab\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-14T00:01:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/drawings_crop1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"980\" \/>\n\t<meta property=\"og:image:height\" content=\"387\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/\",\"url\":\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/\",\"name\":\"Research - USC Language Development Lab\",\"isPartOf\":{\"@id\":\"https:\/\/dornsife.usc.edu\/langdevlab\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/dornsife.usc.edu\/langdevlab\/research\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/dornsife.usc.edu\/langdevlab\/wp-content\/uploads\/sites\/259\/2023\/12\/drawings_crop1.jpg\",\"datePublished\":\"2023-12-06T11:56:35+00:00\",\"dateModified\":\"2025-04-14T00:01:50+00:00\",\"description\":\"Explore research at the Language Development Lab. 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