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anlivaldez17

LSD Changes Consciousness - 1 views

LSD alters consciousness, but the mechanism of how this happens has been elusive. Now researchers report that LSD interferes with the patterns of activation in brain networks that underlie human th...

psychedelic MRI neurology

started by anlivaldez17 on 15 Dec 15 no follow-up yet
Lara Cowell

A life without music - 3 views

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    Amusia is a deficit in musical memory, recognition, and in pitch processing that people can be born with or acquire through brain damage. Some people may think of themselves as being "tone-deaf", but most of these "bad" singers are just that. People with amusia are so unable to hear tones that they even struggle to differentiate between questions and statements when spoken. Language, like music, uses sound to convey meaning; be it a story, or simply an emotion. In fact, music and spoken language use many of the same structural elements: pitch, duration, intensity and melodic contour, to name a few. Melodic contour is the pattern in which pitch changes from high to low over time. This contouring of pitch is often used to express emotion in music. The emotional effect of contouring is appreciated across many cultures and across many age groups. In speech, melodic contour is created by intonation, which allows us to place emphasis upon certain words and distinguish the purpose of the sentence; e.g. whether it is a question, statement or command. These comparisons provide evidence for the overlap of brain areas and mechanisms that underlie speech and music processing. In addition, the storing of sound patterns in short-term memory is also overlapping for both language and music.
Lara Cowell

Emotional and physical health benefits of expressive writing - 0 views

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    Article abstract: Writing about traumatic, stressful or emotional events has been found to result in improvements in both physical and psychological health, in non-clinical and clinical populations. In the expressive writing paradigm, participants are asked to write about such events for 15-20 minutes on 3-5 occasions. Those who do so generally have significantly better physical and psychological outcomes compared with those who write about neutral topics. Here we present an overview of the expressive writing paradigm, outline populations for which it has been found to be beneficial and discuss possible mechanisms underlying the observed health benefits. In addition, we suggest how expressive writing can be used as a therapeutic tool for survivors of trauma and in psychiatric settings. This article provides a succinct review of relevant studies in this area, from 20 years ago to the present.
daralynwen19

This is your brain on communication - 1 views

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    There are two neural mechanisms that scientists believe enable us to communicate. One is that sound waves made by the speaker affects how the listener's brain responds, which is basically the same way the speaker's brain is responding. The other is that human brains have formed a common neural behavior which makes our brains respond in the same type of pattern, allowing us to share information through this neural behavior. One of the experiments discussed in this article explains that people were brought in and scanned by fMRI machines, monitoring the part of the brain that processes sound waves coming from the ear. These subjects were monitored while they were at rest, telling a story, and/or listening to a story. It then discusses the results and results of similar experiments.
Lara Cowell

How Fiction Becomes Fact on Social Media - The New York Times - 0 views

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    Skepticism of online "news" serves as a decent filter much of the time, but our innate biases allow it to be bypassed, researchers have found - especially when presented with the right kind of algorithmically selected "meme." At a time when political misinformation is in ready supply, and in demand, "Facebook, Google, and Twitter function as a distribution mechanism, a platform for circulating false information and helping find receptive audiences," said Brendan Nyhan, a professor of government at Dartmouth College (and occasional contributor to The Times's Upshot column). Why? Here are the key reasons: 1. Individual bias/first impressions: subtle individual biases are at least as important as rankings and choice when it comes to spreading bogus news or Russian hoaxes. Merely understanding what a news report or commentary is saying requires a temporary suspension of disbelief. Mentally, the reader must temporarily accept the stated "facts" as possibly true. A cognitive connection is made automatically: Clinton-sex offender, Trump-Nazi, Muslim men-welfare. And refuting those false claims requires a person to first mentally articulate them, reinforcing a subconscious connection that lingers far longer than people presume.Over time, for many people, it is that false initial connection that stays the strongest, not the retractions or corrections. 2. Repetition: Merely seeing a news headline multiple times in a news feed, even if the news is false, makes it seem more credible. 3. People tend to value the information and judgments offered by good friends over all other sources. It's a psychological tendency with significant consequences now that nearly two-thirds of Americans get at least some of their news from social media.
anonymous

How music training enhances working memory: a cerebrocerebellar blending mechanism that... - 2 views

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    A post detailing how Music training may help Working memory.
Lara Cowell

2019 - United Nations International Year of Indigenous Language - 0 views

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    An International Year is an important cooperation mechanism dedicated to raising awareness of a particular topic or theme of global interest or concern, and mobilizing different players for coordinated action around the world. In 2016, the United Nations General Assembly adopted a resolution proclaiming 2019 as the International Year of Indigenous Languages, based on a recommendation by the Permanent Forum on Indigenous Issues. At the time, the Forum said that 40 per cent of the estimated 6,700 languages spoken around the world were in danger of disappearing. The fact that most of these are indigenous languages puts the cultures and knowledge systems to which they belong at risk. In addition, indigenous peoples are often isolated both politically and socially in the countries they live in, by the geographical location of their communities, their separate histories, cultures, languages and traditions. And yet, they are not only leaders in protecting the environment, but their languages represent complex systems of knowledge and communication and should be recognized as a strategic national resource for development, peace building and reconciliation. They also foster and promote unique local cultures, customs and values which have endured for thousands of years. Indigenous languages add to the rich tapestry of global cultural diversity. Without them, the world would be a poorer place.
Lara Cowell

How Sound Symbolism Is Processed in the Brain: A Study on Japanese Mimetic Words - 0 views

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    Sound symbolism is the systematic and non-arbitrary link between word and meaning. Although a number of behavioral studies demonstrate that both children and adults are universally sensitive to sound symbolism in mimetic words, the neural mechanisms underlying this phenomenon have not yet been extensively investigated. The present study used functional magnetic resonance imaging to investigate how Japanese mimetic words are processed in the brain. In Experiment 1, we compared processing for motion mimetic words with that for non-sound symbolic motion verbs and adverbs. Mimetic words uniquely activated the right posterior superior temporal sulcus (STS). In Experiment 2, we further examined the generalizability of the findings from Experiment 1 by testing another domain: shape mimetics. Our results show that the right posterior STS was active when subjects processed both motion and shape mimetic words, thus suggesting that this area may be the primary structure for processing sound symbolism. Increased activity in the right posterior STS may also reflect how sound symbolic words function as both linguistic and non-linguistic iconic symbols.
Lara Cowell

Language Is In Our Biology - 2 views

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    A good working memory is perhaps the brain's most important system when it comes to learning a new language. But it appears that working memory is first and foremost determined by our genes. Mila Vulchanova, a professor at NTNU's Department of Modern Foreign Languages, led a study of approximately one hundred ten-year-old elementary school students from Norway. Her research suggests that a good working memory is a decisive factor in developing good language skills and competency. Vulchanova states, "Not only is working memory important in learning new words, it is also important in our general language competence, in areas such as grammar skills. Working memory is connected to our ability to gather information and work with it, and to store and manipulate linguistic inputs as well as other inputs in the brain." Vulchanova's results run contrary to some conventional assumptions in both linguistics and cognitive sciences. Quite often it is believed that children acquire languages regardless of their cognitive abilities, such as perception, spatial understanding, and working memory. In other words, children don't need to learn language per se. It just comes on its own. The results from Vulchanova's research contradict this idea. Not only did the researchers find out that there is a close relationship between language competence in the first language and working memory, but that language competence in the mother tongue correlated highly with skills in a foreign language. "We have found evidence that there is a link between language development and the capacity of our working memory, and that there are common cognitive mechanisms that support the ability to learn both your mother tongue and a second language," Vulchanova says. "This is important, because it has been the tradition in linguistics to maintain that learning your native language is qualitatively different from learning a foreign language," she says.
marisaiha21

Age-of-Acquisition Effects in the Development of a Bilingual Advantage for Word Learning - 1 views

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    This study looks at how age of acquisition affects second language learning and how it can influence cognitive processing. Bilingual Spanish and English speakers appear to have an advantage over monolingual individuals, with bilingualism shaping word learning and memory capacity. Specifically, early bilinguals performed better than monolingual individuals and late bilingual learners. There were two mechanisms discussed at the end of the study. The first is based on the critical-period-based phenomenon. The second is based on longer exposure to the two languages, which contributes to bilingual advantages.
apraywell20

Language and emotions: Emotional Sapir-Whorf hypothesis - ScienceDirect - 2 views

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    This essay looks at the Sapir-Whorf hypothesis, which is that that the structure of a language determines a native speaker's perception and categorization of experience. This essay looks at how emotional differences in language are tied to the grammar and mechanics and they can't be shared borrowed across languages
nataliekaku22

Why some words hurt some people and not others - 0 views

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    The author, a specialist and researcher in linguistics and discourse analysis, was interested in communication between individuals from different cultures. The misunderstandings it provokes are often based on unconscious reflexes and reference points which makes them all the more damaging. Communication between humans would be very difficult, if not impossible, without discursive memory. Our memories allow us to understand each other. Gregory Charles says in a tweet after the attack at the Grand Mosque in 2017, "Every nasty word we utter joins sentences, then paragraphs, pages and manifestos and ends up killing the world." This idea is defined by specialists in discourse analysis by theconcent of interdiscoursement. Not being aware of this discursive mechanism can cause many misunderstandings. Understanding it certainly helps to communicate better. Putting yourself in your audience's place is the key to good communication.
Lara Cowell

Protect Yourself from Emotional Contagion | Psychology Today - 0 views

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    Emotional contagion is the phenomenon of "catching" other people's emotions and moods. According to Elaine Hatfield, a psychology professor at the University of Hawaii, humans are hard-wired "to automatically mimic and synchronize facial expressions, vocalizations, postures, and movements with those of another person and, consequently, to converge emotionally." Primitive emotional contagion is a basic building block of human interaction. It helps us coordinate and synchronize with others, empathize with them, and read their minds-all critical survival skills. When we mimic, the body gets feedback about the expressions we've taken on; we then feel what the other person is feeling. Gary Slutkin, a physician, epidemiologist, and founder and CEO of the nonprofit Cure Violence, says that emotional contagion, specifically anger and violence, springs from four mechanisms involving the brain: 1. Engagement of the cortical pathways for copying, a behavior related to mimicry. The most contagious behaviors are the most emotionally engaging, as well as the ones carried out by the people who are most relevant to you. 2. Activation of the brain's dopamine system, which works in anticipation of a reward. "Activation of that system puts you down a pathway toward what is important socially and for survival," he says. If you anticipate being rewarded for responding to someone with anger or violence, you are more likely to get on that behavioral track. 3. The brain's pain centers activate from veering off or being shut out from getting a reward. "A sense of I can't stand it lights up in the context of disapproval." 4. Serious injuries or abuse cause the limbic system and amygdala in the lower brain to become hyperreactive. "This causes you to be less in control, which accelerates violent behavior," Slutkin says. It also makes you more likely to get angry and be quick to react. "Then there's hostile attribution, another part of what happens with the limbic sy
anonymous

Linguistic Code-Switching: What it Is and Why it Happens - 0 views

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    This article focused on the main types of code-switching and their purposes. This occurs in two main ways: 1) switching/combining two separate languages, and 2) using different accents and dialects around different people. Code-switching can be used both for comprehension and as a group belonging mechanism.
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