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Kenuvis Romero

Memory - Wikipedia, the free encyclopedia - 0 views

  • Encoding of working memory involves the spiking of individual neurons induced by sensory input, which persists even after the sensory input disappears (Jensen and Lisman 2005; Fransen et al. 2002). Encoding of episodic memory involves persistent changes in molecular structures that alter synaptic transmission between neurons. Examples of such structural changes include long-term potentiation (LTP) or spike-timing-dependent plasticity (STDP). The persistent spiking in working memory can enhance the synaptic and cellular changes in the encoding of episodic memory (Jensen and Lisman 2005).
  • Recent functional imaging studies detected working memory signals in both medial temporal lobe (MTL), a brain area strongly associated with long-term memory, and prefrontal cortex (Ranganath et al. 2005), suggesting a strong relationship between working memory and long-term memory. However, the substantially more working memory signals seen in the prefrontal lobe suggest that this area play a more important role in working memory than MTL (Suzuki 2007).
  • Consolidation and reconsolidation. Short-term memory (STM) is temporary and subject to disruption, while long-term memory (LTM), once consolidated, is persistent and stable. Consolidation of STM into LTM at the molecular level presumably involves two processes: synaptic consolidation and system consolidation. The former involves a protein synthesis process in the medial temporal lobe (MTL), whereas the latter transforms the MTL-dependent memory into an MTL-independent memory over months to years (Ledoux 2007). In recent years, such traditional consolidation dogma has been re-evaluated as a result of the studies on reconsolidation. These studies showed that prevention after retrieval affects subsequent retrieval of the memory (Sara 2000). New studies have shown that post-retrieval treatment with protein synthesis inhibitors and many other compounds can lead to an amnestic state (Nadel et al. 2000b; Alberini 2005; Dudai 2006). These findings on reconsolidation fit with the behavioral evidence that retrieved memory is not a carbon copy of the initial experiences, and memories are updated during retrieval.
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  • Physical exercise, particularly continuous aerobic exercises such as running, cycling and swimming, has many cognitive benefits and effects on the brain. Influences on the brain include increases in neurotransmitter levels, improved oxygen and nutrient delivery, and increased neurogenesis in the hippocampus. The effects of exercise on memory have important implications for improving children's academic performance, maintaining mental abilities in old age, and the prevention and potential cure of neurological diseases.
  • At the Center for Cognitive Science at Ohio State University, researchers have found that memory accuracy of adults is hurt by the fact that they know more, and have more experience than children, and tend to apply all this knowledge when learning new information. The findings appeared in the August 2004 edition of the journal Psychological Science.
  • Interference can hamper memorization and retrieval. There is retroactive interference, when learning new information makes it harder to recall old information[59] and proactive interference, where prior learning disrupts recall of new information. Although interference can lead to forgetting, it is important to keep in mind that there are situations when old information can facilitate learning of new information. Knowing Latin, for instance, can help an individual learn a related language such as French – this phenomenon is known as positive transfer.[60]
  • Methods to optimize memorization[edit] Memorization is a method of learning that allows an individual to recall information verbatim. Rote learning is the method most often used. Methods of memorizing things have been the subject of much discussion over the years with some writers, such as Cosmos Rossellius using visual alphabets. The spacing effect shows that an individual is more likely to remember a list of items when rehearsal is spaced over an extended period of time. In contrast to this is cramming which is intensive memorization in a short period of time. Also relevant is the Zeigarnik effect which states that people remember uncompleted or interrupted tasks better than completed ones. The so-called Method of loci uses spatial memory to memorize non-spatial information.[72]
Lisa C. Hurst

Inside the School Silicon Valley Thinks Will Save Education | WIRED - 9 views

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    "AUTHOR: ISSIE LAPOWSKY. ISSIE LAPOWSKY DATE OF PUBLICATION: 05.04.15. 05.04.15 TIME OF PUBLICATION: 7:00 AM. 7:00 AM INSIDE THE SCHOOL SILICON VALLEY THINKS WILL SAVE EDUCATION Click to Open Overlay Gallery Students in the youngest class at the Fort Mason AltSchool help their teacher, Jennifer Aguilar, compile a list of what they know and what they want to know about butterflies. CHRISTIE HEMM KLOK/WIRED SO YOU'RE A parent, thinking about sending your 7-year-old to this rogue startup of a school you heard about from your friend's neighbor's sister. It's prospective parent information day, and you make the trek to San Francisco's South of Market neighborhood. You walk up to the second floor of the school, file into a glass-walled conference room overlooking a classroom, and take a seat alongside dozens of other parents who, like you, feel that public schools-with their endless bubble-filled tests, 38-kid classrooms, and antiquated approach to learning-just aren't cutting it. At the same time, you're thinking: this school is kind of weird. On one side of the glass is a cheery little scene, with two teachers leading two different middle school lessons on opposite ends of the room. But on the other side is something altogether unusual: an airy and open office with vaulted ceilings, sunlight streaming onto low-slung couches, and rows of hoodie-wearing employees typing away on their computers while munching on free snacks from the kitchen. And while you can't quite be sure, you think that might be a robot on wheels roaming about. Then there's the guy who's standing at the front of the conference room, the school's founder. Dressed in the San Francisco standard issue t-shirt and jeans, he's unlike any school administrator you've ever met. But the more he talks about how this school uses technology to enhance and individualize education, the more you start to like what he has to say. And so, if you are truly fed up with the school stat
Jac Londe

Keys to long life: longevity study unearths surprising answers - 41 views

  • Keys to long life
  • Friedman and Leslie R. Martin , a 1996 UCR alumna (Ph.D.) and staff researchers, have published those findings in "The Longevity Project: Surprising Discoveries for Health and Long Life from the Landmark Eight-Decade Study" (Hudson Street Press, March 2011).
  • It's never too late to choose a healthier path, Friedman and Martin said. The first step is to throw away the lists and stop worrying about worrying. "Some of the minutiae of what people think will help us lead long, healthy lives, such as worrying about the ratio of omega-6 to omega-3 fatty acids in the foods we eat, actually are red herrings, distracting us from the major pathways," Friedman said. "When we recognize the long-term healthy and unhealthy patterns in ourselves, we can begin to maximize the healthy patterns." "Thinking of making changes as taking 'steps' is a great strategy," Martin advised. "You can't change major things about yourself overnight. But making small changes, and repeating those steps, can eventually create that path to longer life."
Michèle Drechsler

Socialbookmarking with Diigo and Education. A survey that could interest you. - 77 views

Please note that this survey is usually taken in 20 minutes, but you can save your partial answers with the "Resume later" button: this would ask you a login and password to save your answers. Then...

socialbookmarking Diigo survey research

Bernadette Roche

Seminars About Long-term Thinking - The Long Now - 49 views

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    The Long Now Foundation has some great talks by deep thinkers (the one I assigned to my class was on Deep Agriculture by Michael Pollan, from 2009).
anonymous

Horizon Report 2013 - 3 views

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    The NMC is pleased to announce the interim results of the 2013 Horizon.K12 Project, as presented at the 2013 CoSN Conference in San Diego. The Horizon Project Advisory Board voted for the top 12 emerging technologies as well as the top ten trends and challenges that they believe will have a significant impact on teaching, learning, and creative inquiry in global K-12 education over the next five years. These initial results will be compiled into an interim report, known as the "Short List," and described in further detail. The "Time-to-Adoption Horizon" indicates how long the Advisory Board feels it will be until a significant number of schools are providing or using each of these technologies or approaches broadly. Near-Term Horizon: One Year or Less * BYOD (Bring Your Own Device) * Cloud Computing * Mobile Learning * Online Learning Mid-Term Horizon: Two to Three Years * Adaptive Learning and Personal Learning Networks * Electronic Publishing * Learning Analytics * Open Content long-Term Horizon: Four to Five Years * 3D Printing * Augmented Reality * Virtual and Remote Laboratories * Wearable Technology
Tonya Thomas

Five Resources for Estimating Development Time: The eLearning Coach - 1 views

  • 1. Time To Develop One Hour of Training Although this article from ASTD is a few years old, it is still relevant. Not only does it provide the detail many are seeking, authors Karl Kapp and Robyn Defelice delve into several of the contributing factors. 2. How Long Does it Take to Create Learning? This survey states that it has culled data from 249 organizations, representing 3,947 learning development professionals. The “time to complete” data is represented as ratios. Don’t miss the accompanying SlideShare presentation, which has helpful visuals. 3. How Long Does It Take to Create an E-Learning Course? This article discusses a variety of factors you may not have considered, such as priority, review cycles and availability. 4. Estimating Costs and Time in Instructional Design In this article, Donald Clark provides budgets and cost guidelines in addition to the time estimates that he takes from an older source. 5. Why eLearning Development Ratios Can Be Hazardous to Your Health This article presents factors that surveys don’t consider.
Rachel Hinton

One day or ten years? Just how long do you need to learn how to teach coding? - TechRepublic - 38 views

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    How long does it take to gain the knowledge needed to give kids a grounding in programming and computer science?
Roland Gesthuizen

A work in progress...: Job Interview Preparation - 71 views

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    "How long has it been since you interviewed for a job? It's been a long time for me. In the past, I've enjoyed job interviews. Enjoyed them? Yes. I know that interviews can be a nerve-wracking experience, but I tend to do well in a "performance" situation .. I'm not bragging! I just tend to rise to the challenge of being "on show"."
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    Handy advice for teachers looking for jobs and sitting through an interview.
Holly Barlaam

Your Inner Fish Teaching Tools - 49 views

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    "In Your Inner Fish, Neil Shubin tells the story of evolution by tracing the organs of the human body back millions of years, long before the first creatures walked the earth. By examining fossils and DNA, Shubin shows us that our hands actually resemble fish fins, our head is organized like that of a long-extinct jawless fish, and major parts of our genome look and function like those of worms and bacteria. We have compiled the figures from the book into a deck of PowerPoint slides for use in the classroom."
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    Thanks Holly. Great book too!
Martin Burrett

Dads Matter by @PaulStrange - 4 views

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    "In our school this year, we are focusing on raising the attainment of boys in relation to their female peers. This is by no means anything new; the gender gap is an entity that has plagued school results for as long as I can remember (and probably long before that). I should say that our boys perform better than national averages, but do not perform as well as the girls. You might be sat there in the same position. You've got an interesting situation in your school, where girls are outperforming boys, it features prominently on your School Improvement Plan (SIP), and you've read all the new books on the subject etc."
Mrs. Lail2

Why we need to read - 33 views

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    Books remain one of the strongest bulwarks we have against tyranny-but only as long as people are free to read all different kinds of books, and only as long as they actually do so. The right to read whatever you want whenever you want is one of the fundamental rights that helps preserve all the other rights. It's a right we need to guard with unwavering diligence. But it's also a right we can guard with pleasure. Reading isn't just a strike against narrowness, mind control, and domination: It's one of the world's great joys.
Nigel Coutts

Curiosity, critical thinking and agency as responses to the Australian Bushfire Crisis - The Learner's Way - 5 views

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    The bushfire crisis that is currently impacting Australia is beyond devastating. The scale of these fires defies the imagination. For so long now we have lived with skies laden with smoke as a constant and inescapable reminder that this is not an ordinary summer. This is weather and drought at its most extreme. Our only salvation will be rain but this is not the season for that and the long term forecasts are not promising. Our young people, in particular, will be affected and will need special care in the weeks and months to come. What might this mean for schools and for student agency?
Nigel Coutts

Fuzzy Thinking for Long-Life Learning - 46 views

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    Recently I have found a number of ideas on the web that were particularly interesting and together paint a compelling picture of education's future. Each fits into a model where the focus is on developing skills, dispositions and habits that will last into the future - long life skills.
Josh Flores

Gender Games - Born on Sideline, Cheering Clamors to Be Sport - NYTimes.com - 20 views

  • taking their place in a thriving American tradition that has been around for nearly as long as football
    • Josh Flores
       
      Model for Argument and Rhetoric
  • taking their place in a thriving American tradition that has been around for nearly as long as football
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  • athletic feats of grace and strength
  • a complicated and emotional question has arisen: has cheerleading become a true sport?
  • For many women
  • especially those who worked at the forefront of the push for equality in college sports, the answer for a long time was no
  • endorsing an embarrassing holdover from a time when girls in tight-fitting outfits were expected to do little more than yell support for boys
  • skeptical of high schools and universities that counted female cheerleaders as athletes as a way to evade their obligation to provide opportunities for women in more traditional sports, like softball and soccer
  • Why should cheerleading not be considered a sport when it required a complex set of technical skills, physical fitness and real guts?
Roland Gesthuizen

What Is a Book? The Definition Continues to Blur: Tech News and Analysis « - 45 views

  • a whole series of ongoing attempts to reimagine the entire industry of writing and selling books. If you’re an author, it’s a time of incredible chaos, but also incredible opportunity.
  • a market where Amazon is already publishing what it calls “Singles,” or short book-length publications that virtually anyone can produce.
  • author Barry Eisler, after publishing a number of books through the traditional route, said recently he’s going to start self-publishing, because he will have more control over the process and will keep more of the revenue.
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    "It used to be so easy to define what a book was: a collection of printed pages bound inside a cover (hard or soft) that you could place on a shelf in your library, or in a store. Now, there are e-books, and blogs that turn into books, and long pieces of journalism that are somewhere between magazine articles and short books"
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    Good article that notes the increase of self-publication with eBooks that can be purchased from Amazon
Jeff Andersen

Yes, Your Syllabus Is Way Too Long - The Chronicle of Higher Education - 23 views

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    If you're a faculty member, you've spent the last few weeks preparing your syllabus for the spring semester. You've updated the document and added a little to it. This latest round of edits may have pushed your syllabus another page longer - most now run about five pages, though nearly every campus has lore of some that exceed 20. Lamentations about syllabus bloat started emerging about seven years ago in moods ranging from nostalgia to bemusement to curiosity to irritation to full-blown ideological critique. Based on 20 years of serving on curriculum committees and working with academics across the disciplines on teaching, I agree that, yes, the typical syllabus has now become a too-long list of policies, learning outcomes, grading formulas, defensive maneuvers, recommendations, cautions, and referrals. As a writing-center director who has encouraged instructors to add a pitch for tutoring services, I'm complicit.
Jenny Staley

Promoting Academic Integrity in Online Education - Faculty Focus | Faculty Focus - 5 views

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    Although there's some disagreement as to whether distance education is more susceptible to academic dishonesty than other forms of instruction, what isn't up for debate is the fact that for as long as there's been exams, there's been cheating on exams. The online environment simply opens up a different set of challenges that aren't typically seen in traditional face-to-face courses.
Sirkku Nikamaa-Linder

CBI: Change is possible - but we must be clearer about what we ask schools to develop in students and for what purpose - 1 views

    • Sirkku Nikamaa-Linder
       
      Question: What are the goals set out on the political level? What does Gove want to achieve?
  • lacks
  • guardrails
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  • which makes transformational change
  • ifficult
  • In Finland, the goals of education are explicitly linked to competitiveness, research and innovation.
  • nowhere in the UK do they really drive the terms under which schools are assessed.
  • In England, the government has defined its approach as being based on curriculum rigour.
  • This lack of a comprehensive statement of the achievement we are looking for schools to deliver is a key failing.
  • best schools
  • areas of high disadvantage
  • define the outcome they need
  • in the face of the complex and inconsistent demands the system places on them.
    • Sirkku Nikamaa-Linder
       
      Clear indication that the system as a whole is not supporting a generally accepted set of goals. Instead, the schools are trying to achieve a goal they see as important at worst while fighting the systemic demands.
  • One such school leader told us they had taken a conscious decision with one group of young people to focus on five key subjects and some life skills, knowing that the accountability system would score them down for it, as it expected eight qualifications from all students at that time.
  • Our system should reward schools making brave decisions which focus on boosting long-term outcomes for pupils, not punish them.
  • It should be able to survive changes of government and provide the test against which policy changes and school actions are judged
  • shine the light on whether the system is truly addressing the needs of all students, rather than just the few required to meet a government target.
  • Focus on raising the ambition and attainment for every child as far as their abilities permit
  • guide young people effectively on their choice of enabling subjects…
  • thos and culture that build the social skills also essential to progress in life and work, and allow them time to focus on this
  • Have a school accountability and assessment framework that supports these goals rather than defining them.
  • social literacy
  • a range of core subjects
  • ncluding critically maths, English, the sciences
  • effective use and understanding of computer science.
  • ‘enabling subjects’
  • humanities, languages, arts, technical and practically-based subjects
  • equip a young person to move on
  • o university, or to an apprenticeship or vocational qualification
  • a set of behaviours and attitudes,
  • An exclusive focus on subjects for study would fail to equip young people with these, though rigour in the curriculum does help
  • ‘employability skills’
  • Behaviours can only be developed over time, through the entire path of a young person’s life and their progress through the school system.
  • right context at school
  • A supportive culture, pastoral care and the right ethos are all needed to make the difference.
  • a long tail of pupils failing to achieve the desired outcomes can no longer be accepted.
  • enable all of our young citizens to reach the desired standards.
  • conflicting expectations placed on schools.
  • renewed system should be able to judge performance against the goals based on more complex metrics.
  • judgement
  • on overall culture and ethos, teaching and governance
  • group of data points, including testing but also outcomes data.
  • Development of a clear, widely-owned and stable statement of the outcome that all schools are asked to deliver.
  • beyond the merely academic, into the behaviours and attitudes schools should foster
  • basis on which we judge all new policy ideas, schools, and the structures we set up to monitor them
  • Ofsted
  • asked to steward the delivery of these outcomes
  • resourcing these bodies to develop an approach based on a wider range of measures and assessments than are currently in use,
Randolph Hollingsworth

Ideas Trump Resources When it Comes to City Growth - Richard Florida - The Atlantic Cities - 0 views

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    important for all us educators to remember: knowledge and extractive industries do not mix. "Across all U.S. metros, the share of workers in resource and extractive industries had no correlation whatsoever to four key measures of regional development: economic output per capita, average wages per capita, income, or median household income (the correlations range from -.08 to .09, none being statistically significant). Conversely, the share of workers employed in idea-based knowledge and creative industries was strongly associated with all four regional development measures (with correlations ranging from .53 to .74). In line with the resource curse hypothesis, the share of employment in resource and extractive industries was negatively associated with share of employment in knowledge industries and also with the share of adults with college degrees, a key measure of skill and human capital which economists uniformly find to be a key driver of short and long-run economic prosperity."
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