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Contents contributed and discussions participated by Lara Cowell

Lara Cowell

Natural Language Processing ft. Siri - 0 views

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    Siri uses a variety of advanced machine learning technologies to be able to understand your command and return a response - primarily natural language processing (NLP) and speech recognition. NLP primarily focuses on allowing computers to understand and communicate in human language. In terms of programming, languages are split up into three categories - syntax, semantics, and pragmatics. Whereas syntax describes the structure and composition of the phrases, semantics provide meaning for the syntactic elements. Pragmatics, on the other hand, refers to the composition and context in which the phrase is used.
Lara Cowell

AI's Language Problem - 0 views

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    This MIT Technology Review article notes that while Artificial Intelligence has experienced many sophisticated advances, one fundamental capability remains elusive: language. Systems like Siri and IBM's Watson can follow simple spoken or typed commands and answer basic questions, but they can't hold a conversation and have no real understanding of the words they use. In addition, humans, unlike machines, have the ability to learn very quickly from a relatively small amount of data and have a built-in ability to model the world in 3-D very efficiently. Programming machines to comprehend and generate language is a complex task, because the machines would need to mimic human learning, mental model building, and psychology. As MIT cognitive scientist Josh Tenenbaum states, "Language builds on other abilities that are probably more basic, that are present in young infants before they have language: perceiving the world visually, acting on our motor systems, understanding the physics of the world or other agents' goals." ­ If he is right, then it will be difficult to re-create language understanding in machines and AI systems without trying to mimic human learning, mental model building, and psychology.
Lara Cowell

Your Friend Doesn't Want the Vaccine. What Do You Say? - 0 views

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    This New York Times interactive chatbox simulates a text conversation that you might have with a friend that's skeptical about getting COVID-vaccinated. One of the authors, Dr. Gagneur is a neonatologist and a professor of pediatrics at the University of Sherbrooke. His research has led to programs that increase childhood vaccinations through motivational interviewing. The second author, Dr. Tamerius is a former psychiatrist and the founder of Smart Politics, an organization that teaches people to communicate more persuasively. Dr. Gagneur highlights 4 principles that lead to more effective conversation: The skills introduced here are the same ones needed in any conversation in which you want to encourage behavior change, whether it's with your recalcitrant teenager, a frustrated co-worker or a vaccine-hesitant loved one. When you talk with people about getting vaccinated, there are four basic principles to keep in mind: ● Safety and rapport: It's very difficult for people to consider new ways of thinking or behaving when they feel they are in danger. Vaccine conversations must make others feel comfortable by withholding judgment and validating their concerns. Rather than directly contradict misinformation, highlight what they get right. Correct misinformation only late in the conversation, after they have fully expressed their concerns and have given you permission to share what you know. ● Respect for autonomy: The choice of whether to get vaccinated is others' to make, not yours. You can help guide their decision-making process, but any attempt to dictate the outcome - whether by commanding, advising, lecturing or shaming - will be met with resistance. ● Understanding and compassion: Before people will listen to what you have to say, they need to know you respect and appreciate their perspective. That means eliciting their concerns with curious, open-ended questions, showing you understand by verbally summarizing what you've heard and empat
Lara Cowell

Parts of brain can switch functions | MIT News | Massachusetts Institute of Technology - 0 views

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    When your brain encounters sensory stimuli, such as the scent of your morning coffee or the sound of a honking car, that input gets shuttled to the appropriate brain region for analysis. The coffee aroma goes to the olfactory cortex, while sounds are processed in the auditory cortex. That division of labor suggests that the brain's structure follows a predetermined, genetic blueprint. However, evidence is mounting that brain regions can take over functions they were not genetically destined to perform. In a landmark 1996 study of people blinded early in life, neuroscientists showed that the visual cortex could participate in a nonvisual function - reading Braille. Now, a study from MIT neuroscientists shows that in individuals born blind, parts of the visual cortex are recruited for language processing. The finding suggests that the visual cortex can dramatically change its function - from visual processing to language - and it also appears to overturn the idea that language processing can only occur in highly specialized brain regions that are genetically programmed for language tasks. "Your brain is not a prepackaged kind of thing. It doesn't develop along a fixed trajectory, rather, it's a self-building toolkit. The building process is profoundly influenced by the experiences you have during your development," says Marina Bedny, an MIT postdoctoral associate in the Department of Brain and Cognitive Sciences and lead author of the study, which appears in the Proceedings of the National Academy of Sciences the week of Feb. 28.
Lara Cowell

Evolution Could Explain Why Psychotherapy May Work for Depression - Scientific American - 1 views

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    Why does psychotherapy favorably compare to medication in treating depression? One reason may be rooted in the evolutionary origins of depression. Scholars suggest humans may become depressed to help us focus attention on a problem that might cause someone to fall out of step with family, friends, clan or the larger society-an outcast status that, especially in Paleolithic times, would have meant an all-but-certain tragic fate. Depression, by this account, came about as a mood state to make us think long and hard about behaviors that may have caused us to become despondent because some issue in our lives is socially problematic. Steven D. Hollon, a professor of psychology at Vanderbilt University, explores the implications of helping a patient come to grips with the underlying causes of a depression-which is the goal of CBT (cognitive behavioral therapy), and is also in line with an evolutionary explanation. The anodyne effects of an antidepressant, by contrast, may divert a patient from engaging in the reflective process for which depression evolved-a reason perhaps that psychotherapy appears to produce a more enduring effect than antidepressants. Hollon notes that depression has a purpose--it spurs rumination about complex social problems, and that CBT can expedite rumination and make it more effective. He states, "For most people, depression motivates them to think more deliberately about the causes of their problems and the solutions they can apply. In most instances in our ancestral past this worked well enough; most depressions remit spontaneously even in the absence of treatment. Cognitive therapy, at the least, hurries the process along and, at the most, helps unstick that subset of individuals who get stuck making negative ascriptions about themselves, typically about personal competence or lovability."
Lara Cowell

Are Your Texts Passive-Aggressive? The Answer May Lie In Your Punctuation : NPR - 3 views

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    Article talks re: the changing nature of a period. Its original function, to indicate the end of a thought, has become obsolete in texting, because of the ability to "send". Now the period can be used to indicate seriousness or a sense of finality. But caution is needed, said linguist Gretchen McCulloch, noting that problems can start to arise when you combine a period with a positive sentiment, such as "Sure" or "Sounds good." "Now you've got positive words and serious punctuation and the clash between them is what creates that sense of passive-aggression," said McCulloch. Binghamton University psychology professor Celia Klin says a period can inadvertently set a tone, because while text messaging may function like speech, it lacks many of the expressive features of face-to-face verbal communication, like "facial expressions, tone of voice, our ability to elongate words, to say some things louder, to pause." Our language has evolved, and "what we have done with our incredible linguistic genius is found ways to insert that kind of emotional, interpersonal information into texting using what we have," said Klin. "And what we have is things like periods, emoticons, other kinds of punctuation. So people have repurposed the period to mean something else."
Lara Cowell

Bilingual babies: Study shows how exposure to a foreign language ignites infants' learn... - 0 views

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    Researchers at the University of Washington developed a play-based, intensive, English-language method and curriculum and implemented the research-based program in four public infant-education centers in Madrid, Spain. Based on years of UW's I-LABS (Institute of Learning and Brain Science) research on infant brain and language development, UW's pilot bilingual education method utilized the following brain-research principles: 1. social interaction 2. play 3. high quality and quantity of language from the teachers. 4. Use of "infant-directed speech", or "parentese": the speech style parents use to talk to their babies, which has simpler grammar, higher and exaggerated pitch, and drawn-out vowels. 5. Active child engagement. The country's extensive public education system enabled the researchers to enroll 280 infants and children from families of varying income levels. Babies aged 7 to 33.5 months were given one hour of English sessions a day, using the UW method, for 18 weeks, while a control group received the Madrid schools' standard bilingual program. Both groups of children were tested in Spanish and English at the start and end of the 18 weeks. Children who received the UW method showed rapid increases in English comprehension and production, and significantly outperformed the control group peers at all ages on all tests of English. By the end of the 18-week program, the children in the UW program produced an average of 74 English words or phrases per child, per hour; children in the control group produced 13 English words or phrases per child, per hour. This 3 minute video succinctly captures the study: https://www.youtube.com/watch?v=HE5fBAS6gf4
Lara Cowell

Creating Bilingual Minds - 1 views

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    In this TED-Talk, Dr. Naja Ferjan Ramirez, linguistics professor at the University of Washington and a specialist in the brain processes of children 0-3 years, lays out the benefits of bilingualism, tells how to optimize language learning to achieve better acquisition, and dispels some common concerns about the cons of creating a bilingual child. No surprises here: start early, and create conditions where babies are exposed to the desired target languages-this will enable babies to process the sounds of dual languages, not just one. Ideally, babies will have frequent, social interactions with fully-competent, fluent speakers of the target languages. Ramirez also mentions a major cognitive benefit to bilingualism: a strengthened prefrontal cortex: the area of the brain that deals with task-switching and flexible thinking.
Lara Cowell

Should You Reach Out to a Former Friend Right Now? - 0 views

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    This New York Times article examines the psychology behind our impulse to reconnect with old friends: increased impulsivity when lonely, mortality salience, desire for comfort in times of stress. The article also provides some advice as to why we might want to proceed carefully when reconnecting, and how to proceed.
Lara Cowell

De-Stigmatizing Hawaii's Creole Language - 1 views

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    The Atlanticʻs Alia Wong writes about the U.S. Censusʻ recognition of Hawai`i Creole English (sometimes termed "pidgin" in local Hawai`i parlance). Wong sees it as a symbolic gesture acknowledging the "legitimacy of a tongue widely stigmatized, even among locals who dabble in it, as a crass dialect reserved for the uneducated lower classes and informal settings. It reinforces a long, grassroots effort by linguists and cultural practitioners to institutionalize and celebrate the language-to encourage educators to integrate it into their teaching, potentially elevating the achievement of Pidgin-speaking students. And it indicates that, elsewhere in the country, the speakers of comparable linguistic systems-from African American Vernacular English, or ebonics, to Chicano English-may even see similar changes one day, too."
Lara Cowell

Da Pidgin Coup: The Charlene Junko Sato Center for Pidgin, Creole, and Dialect Studies - 2 views

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    The Charlene Sato Center for Pidgin, Creole and Dialect Studies, established in January 2002 and based at the University of Hawai`i-Mānoa,, conducts research on pidgin and creole languages as well as stigmatized dialects, with a focus on research that can benefit speakers of such varieties. The website offers links to helpful resources on Hawai`i Creole English (HCE) and other creoles, and gives tips for conducting research in this area.
Lara Cowell

The Chinese Language as a Weapon: How China's Netizens Fight Censorship - 1 views

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    In order to evade government censors blocking free expression, Chinese social media posters utilize homophonic (same sound) and logographic (character) resemblances in order to voice controversial/politically-charged content.
Lara Cowell

Parents' Screen Time Is Hurting Kids - The Atlantic - 8 views

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    Article discusses the negative impacts of parent screen time and digital device distraction on parent-child communication, conversational interaction, and language development, especially in young children.
Lara Cowell

The Lost Language of Easter Island - Atlas Obscura - 1 views

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    Rapa Nui, also known as Easter Island, is the remotest inhabited island on Earth, 1,298 miles from its nearest populated neighbor. According to oral traditions, tablets with rongorongo, the only indigenous writing system to develop in Oceania before the 20th century, were brought there by the first settlers, who arrived between the years 800 and 1200, probably from the Marquesas or Gambier islands, which are now part of French Polynesia.
Lara Cowell

Saving A Language You're Learning To Speak : Code Switch : NPR - 1 views

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    Every two weeks, a language dies with its last speaker. That was almost the fate of the Hawaiian language - until a group of young people decided to create a strong community of Hawaiian speakers - as they were learning to speak it them themselves.
Lara Cowell

Computing for deaf people - The race to teach sign language to computers | Science &amp... - 3 views

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    The World Health Organisation counts 430m people as deaf or hard of hearing. Many use sign languages to communicate. If they cannot also use those languages to talk to computers, they risk being excluded from the digitisation that is taking over everyday life. Sign language poses particular issues in re: its translation to either text or speech. Some challenges include improving the machine-learning algorithms that recognise signs and their meaning and developing the best methods to interpret sign languages' distinctive grammars. The applications of such technology could improve the lives of the deaf, for example, allowing them to use their cell phones to search for directions or look up the meanings of unknown signs, without resorting to the written form of a spoken language.
Lara Cowell

A Way with Words | Radio show and podcast about language and linguistics, with callers ... - 1 views

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    A Way with Words is an upbeat and lively hour-long public radio show and podcast about language examined through history, culture, and family. Each week, author/journalist Martha Barnette and lexicographer/linguist Grant Barrett talk with callers about slang, old sayings, new words, grammar, word origins, regional dialects, family expressions, and speaking and writing well. They settle disputes, play word quizzes, and discuss language news and controversies. Show topics include all aspects of modern language and communication, using anecdotes, culture, relationships, and families as starting points.
Lara Cowell

Disagreeing Takes up a Lot of Brain Real Estate - Neuroscience News - 1 views

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    A Yale-led research team examined the brains of 38 couples engaged in discussion about controversial topics. For the study, the researchers from Yale and the University College of London recruited 38 adults who were asked to say whether they agreed or disagreed with a series of statements such as "same-sex marriage is a civil right" or "marijuana should be legalized." After matching up pairs based on their responses the researchers used an imaging technology called functional near-infrared spectroscopy to record their brain activity while they engaged in face-to-face discussions. Their findings: When two people agree, their brains exhibit a calm synchronicity of activity focused on sensory areas of the brain, such as the visual system, presumably in response to social cues from their partner. When they disagree, however, many other regions of the brain involved in higher cognitive functions become mobilized as each individual combats the other's argument. Sensory areas of the brain were less active, while activity increased in the brain's frontal lobes, home of higher order executive functions. Joy Hirsch, Elizabeth Mears and House Jameson Professor of Psychiatry and professor of comparative medicine and neuroscience, as well as senior author of the study, said that in discord, two brains engage many emotional and cognitive resources "like a symphony orchestra playing different music." In agreement, there "is less cognitive engagement and more social interaction between brains of the talkers, similar to a musical duet."
Lara Cowell

The Long and Tortured History of Cancel Culture - 3 views

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    Essayist Ligaya Mishan (one of my best friends from Punahou!) examines "cancel culture"--the practice of publicly ostracizing a person, whether it's professionally, personally, or in the digital/social media world--historically contextualizing the phenomenon, which is not recent, but something that has existed in many cultures, past and present, and examining the reasons behind it. This essay is also a Words R Us special in its use of etymology: examining the origins and evolution of different words related to cancel culture.
Lara Cowell

Professor Is At Center Of Controversy Over Chinese Word That Sounded Like Racial Slur :... - 3 views

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    A USC professor of Communications unexpectedly found himself at the center of controversy when he used the Chinese phrase "那个" (neige= literally "that"= the Chinese equivalent of the English "um") to illustrate the concept of "filler words." A letter to the USC administration, signed "Black MBA candidates class of 2022" decried the use of the word, because it sounded too close to the n-word for comfort.
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