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A lesson in the woods may boost kids’ learning

Moreover, the number of times the teacher had to redirect a student's attention to their work was roughly halved immediately after an outdoor lesson.

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Just sitting in classrooms makes children more dull. Wikimedia Commons
Just sitting in classrooms makes children more dull. Wikimedia Commons
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  • To help students concentrate and learn more, teachers have found a new way of teaching them.
  • This technique of teaching outdoors will boost children’s mental capabilities to learn and remember.

Are your students unable to concentrate on their lessons in the classroom? Take them for outdoor learning sessions.

According to a study, a lesson in the lap of nature can significantly increase children’s attention level and boost their learning.

While adults exposed to parks, trees or wildlife have been known to experience benefits such as increased physical activity, stress reduction, rejuvenated attention and increased motivation, in children, even a view of greenery through a classroom window can have positive effects on their attention span, the researchers said.

The study showed that post an outdoor lesson, students were significantly more attentive and engaged with their schoolwork and were not overexcited or inattentive.

Taking students outside help them concentrate more. Wikimedia Commons
Taking students outside help them concentrate more. Wikimedia Commons

Moreover, the number of times the teacher had to redirect a student’s attention to their work was roughly halved immediately after an outdoor lesson.

“Our teachers were able to teach uninterrupted for almost twice as long at a time after the outdoor lesson and we saw the nature effect with our sceptical teacher as well,” said Ming Kuo, a scientist at the University of Illinois at Urbana-Champaign in the US.

For the study, published in the journal Frontiers in Psychology, researchers tested their hypothesis in third graders (9-10 years old) in a school.

A few minutes outside help students concentrate better. VOA
A few minutes outside help students concentrate better. VOA

Over a 10-week period, an experienced teacher held one lesson a week outdoors and a similar lesson in her regular classroom and another, more sceptical teacher did the same. Their outdoor “classroom” was a grassy spot just outside the school, in view of a wooded area.

A previous research suggested that 15 minutes of self-paced exercise can also significantly improve a child’s mood, attention and memory. IANS

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Google AI can focus on individual speakers in a crowd

The visual signal not only improves the speech separation quality significantly in cases of mixed speech, but, importantly, it also associates the separated, clean speech tracks

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Google india launches 'Tz' to help people pay their utility bills. Wikimedia Commons
Google AI to identify speakers from crowd. Wikimedia Commons

Just as most smartphone cameras now allow users to focus on a single object among many, it may soon be possible to pick out individual voices in a crowd by suppressing all other sounds, thanks to a new Artificial Intelligence (AI) system developed by Google researchers.

This is an important development as computers as not as good as humans at focusing their attention on a particular person in a noisy environment. Known as the cocktail party effect, the capability to mentally “mute” all other voices and sounds comes natural to us humans.

Google has collaborated with getty images. Wikimedia Commons
Google AI will identify individual speakers now. Wikimedia Commons

However, automatic speech separation — separating an audio signal into its individual speech sources — remains a significant challenge for computers, Inbar Mosseri and Oran Lang, software engineers at Google Research, wrote in a blog post this week. In a new paper, the researchers presented a deep learning audio-visual model for isolating a single speech signal from a mixture of sounds such as other voices and background noise.

“In this work, we are able to computationally produce videos in which speech of specific people is enhanced while all other sounds are suppressed,” Mosseri and Lang said. The method works on ordinary videos with a single audio track, and all that is required from the user is to select the face of the person in the video they want to hear, or to have such a person be selected algorithmically based on context.

Also Read: Want To Know What Facebook, Google Know About You?

The researchers believe this capability can have a wide range of applications, from speech enhancement and recognition in videos, through video conferencing, to improved hearing aids, especially in situations where there are multiple people speaking. “A unique aspect of our technique is in combining both the auditory and visual signals of an input video to separate the speech,” the researchers said.

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This will also help in speech enhancement . VOA

“Intuitively, movements of a person’s mouth, for example, should correlate with the sounds produced as that person is speaking, which in turn can help identify which parts of the audio correspond to that person,” they explained.

The visual signal not only improves the speech separation quality significantly in cases of mixed speech, but, importantly, it also associates the separated, clean speech tracks with the visible speakers in the video, the researchers said. IANS

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