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Food 4 Thought

Cognitive load theory: teaching strategies

25/11/2019

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Cognitive load theory is an instructional theory based on human cognitive architecture (that is, the cognitive functions that allow us to learn) which looks at the characteristics of working memory and long-term memory, and how teacher instruction can best account for these factors.

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Using brain breaks to restore students’ focus

25/11/2019

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Early in my teaching career, I was disturbed by a note left by the substitute teacher. She wrote that during the three days she was with my students, they were responsive during the first part of class, but that many of them became inattentive, distracted, and even disruptive after about 20 minutes of her instruction. When I asked the students what had happened, they were of one voice: “She didn’t give us our brain breaks.”

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Understanding why delayed answers improve learning

25/11/2019

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It may seem that getting instant results would enhance learning, but various studies indicate a benefit to feedback that is delayed. Test takers are more likely to retain the correct answer if they receive it several seconds after providing their answers rather than immediately.
To understand why delayed answers improve learning, researchers at Iowa State University asked college students to give their best guess to trivia questions such as “Who coined the word ‘nerd’?” and “What color is a grasshopper's blood?” and to rate how curious they were about each answer. For half of the items, participants learned the correct answer immediately after responding to the question. For the remaining items, the answers either followed a four-second delay or an unpredictable interval of two, four or eight seconds. The students were then tested on the questions after engaging in unrelated distracting tasks.

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How the brain filters out the sensations least interesting to                                                  it at any moment

25/11/2019

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We can pick out a conversation in a loud room, amid the rise and fall of other voices or the hum of an air conditioner. We can spot a set of keys in a sea of clutter, or register a raccoon darting into the path of our onrushing car. Somehow, even with massive amounts of information flooding our senses, we’re able to focus on what’s important and act on it.

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Why sitting down all day is bad for your brain

25/11/2019

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In many aspects of life where we need to use our brain power, we also tend to sit down: at school, at work, sitting exams or concentrating on a crossword. In a new paper, we explore how prolonged sitting may affect the brain’s fuel supply and have a negative impact on brain health.
The brain is a glucose hungry organ. It weighs about 2% of body mass but demands about 20% of our resting energy requirements, which is mostly in the form of glucose, the primary brain fuel. If this energy supply is disrupted it can impair and even damage brain cells. Therefore, the availability of glucose to brain cells may have implications for brain health.

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How sleep affects learning

25/11/2019

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How working out boosts your mood and memory

25/11/2019

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What's the most transformative thing that you can do for your brain today? Exercise! says neuroscientist Wendy Suzuki in this TED talk.

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What the research says about movement-based learning

25/11/2019

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If you were to start singing “The Itsy-Bitsy Spider” right now, I bet you’d have a hard time keeping your hands still. That’s because most of us who know the song learned it with gestures, and things we learn with physical movement tend to stick.
We can apply that same principle to classroom learning, using movement to enhance learning from preschool all the way through college. Let’s take a look at what the research says about movement-based learning, then explore six different ways you can add more movement to your instruction.

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Why sleep is good for us

25/11/2019

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Animals spend a lot of their lifetime asleep, and scientists have sought to understand the physiological purpose of all that spent time. Every organism with a nervous system needs sleep, and now scientists believe they have identified a reason why it’s so critical. Using a zebrafish model and three-dimensional time-lapse imaging, the researchers found that essential maintenance of DNA occurs in neuronal cells during sleep. The findings, which were reported in Nature Communications, may also indicate why sleep disruption has a significant impact on cognitive function and aging.

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Six advices to take care of your brain’s health

25/11/2019

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