The study found that poor sleepers were just as confident in their decisions, highlighting possible implications for security and policing
Researchers said that while most people would typically expect to perform well on these tasks, many are surprised at how many errors they make
Participants were asked to decide whether two images, presented on a computer monitor at the same time, pictured the same person or two different people
Melbourne, October 12, 2016: Lack of proper sleep can impact the accuracy of face identification, researchers have found, suggesting that the crucial “passport task” by officers can be affected by poor sleep.
It is often necessary to identify unfamiliar people by comparing face images: for example a CCTV image to a mugshot, or a passport photograph to a traveller.
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Researchers from the University of New South Wales (UNSW) in Australia and the University of Glasgow in the UK, found that accuracy of these decisions is impaired by poor sleep.
However, the study also found that poor sleepers were just as confident in their decisions, highlighting possible implications for security and policing.
Participants were asked to decide whether two images, presented on a computer monitor at the same time, pictured the same person or two different people.
The researchers set the task to differ from the face recognition tasks most of us encounter in our daily lives in two important ways: firstly, the people pictured in the images are unfamiliar.
Secondly, the task did not involve memory, because the images appear on the screen at the same time.
Researchers said that while most people would typically expect to perform well on these tasks, many are surprised at how many errors they make.
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Previous studies have shown impaired memory for faces following restricted sleep. However, until now it was not known whether lack of sleep impairs performance on face identification tasks that do not rely on recognition memory.
“We found that poor sleep in the three days leading up to the test was associated with poorer performance on the face matching test. In a separate experiment, we also found that participants with insomnia were poorer on the task,” said Louise Beattie, from the the University of Glasgow.
“Sleep disruption is common in the general population, and especially so among night-shift workers,” Beattie said.
“Here we show for the first time that performance in a crucial “passport task” is affected by poor sleep, and our research has important implications for those working in security or forensic settings,” she added.
“This adds to the literature showing poor sleep and shift work to be associated with a range of adverse health, cognitive and emotional effects,” she said.
The researchers said that poor sleep was not only associated with poorer performance, but also with higher levels of confidence in errors.
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“In modern society it is often necessary to identify unfamiliar people by comparing face images. In this study we show that the accuracy of these decisions is impaired in poor sleepers,” said David White, from UNSW.
“Worryingly, although poorer sleep was associated with reduced accuracy, poor sleepers were not less confident in their responses. This has important implications for security and policing, where shift work is common,” said White. (IANS)
Sleep deprivation is becoming a common scenario nowadays
25 to 30 percent children face sleep deprivation
Sleep deprivation leads to poor attention and fall in academic performance of children
June 29, 2017: Merriam-Webster Dictionary defines sleep as the natural periodic suspension of consciousness during which the powers of the body are restored. Proper sleep is an essential to maintain good health as it relaxes our body and freshens up the mind.
However, nowadays sleep deprivation (a sufficientlack of restorativesleepover a cumulativeperiod so as to causephysical or psychiatricsymptomsand affectroutineperformances of tasks.) is becoming a common scenario, especially among children. According to a survey of National Sleep Foundation, 25 to 30 percent of normally developing children and adolescents are not getting enough sleep consistently.
The lack of sleep is leading to irritation, crankiness, poor social interactions, poor attention, worse grades and school absences amongst children.
Why are children sleep deprived?
Some children stay awake till late at night by personal choice. They choose to do so in order to complete their work or to have fun at night merely. Late night use of social media by adolescents has become a common phenomenon these days.
Some diseases such as cold and tonsillitis can cause snoring, gagging and frequent waking, and have a direct effect on sleep by fragmenting it.
Children can also be affected by sleep disorders such as Obstructive Sleep Apnea or Parasomnias or Behavioral Insomnia (Inability to sleep enough).
Some medications used to treat disorders such as epilepsy or attention deficit hyperactivity disorder (ADHD) can also cause sleep deprivation.
Depending on the location, the proliferation of IS has drawn varied resistance from the Afghan military, U.S. air support and ground troops, local militias, Taliban forces and other militant groups
Afghan army planes on Wednesday night accidentally air dropped vital supplies of food and water to IS militants in the Darzab district of northern Jouzjan province instead of to their own besieged troops
In the Tora Bora area, where IS has made a strong stand in recent days, local villagers and militias joined with Taliban to rout IS
June 25, 2017: The Islamic State group is rapidly expanding in parts of Afghanistan, advancing militarily into areas where it once had a weak presence and strengthening its forces in core regions, according to Afghan and U.S. officials.
Depending on the location, the proliferation of IS has drawn varied resistance from the Afghan military, U.S. air support and ground troops, local militias, Taliban forces and other militant groups.
Attacking IS has become such a priority in the country, that disparate forces sometimes join together in the ad-hoc fight, with Afghan and U.S. forces finding themselves inadvertently supporting the enemy Taliban in battling IS.
Confusion leads to mistakes
All too often, officials say, mistakes are made due to confusion on the ground.
Afghan army planes on Wednesday night accidentally air dropped vital supplies of food and water to IS militants in the Darzab district of northern Jouzjan province instead of to their own besieged troops, provincial police chief, Rahmatullah Turkistani told VOA. The supplies were meant to help Afghan forces that are countering twin attacks by IS and Taliban militants but were used instead by IS.
“It’s not getting better in Afghanistan in terms of IS,” U.S. Chief Pentagon Spokeswoman Dana White told VOA this week. “We have a problem, and we have to defeat them and we have to be focused on that problem.”
Reinforcements for the IS cause reportedly are streaming into isolated areas of the country from far and wide. There are reports of fighters from varied nationalities joining the ranks, including militants from Pakistan, India, Iran, Iraq, Syria, Russia and Central Asian neighbors.
Still, the Islamic State-Khorasan (ISK) as IS is known in Afghanistan remains a fragmented group composed of differing regional forces with different agendas in different parts of the country.
“IS-K is still conducting low-level recruiting and distribution of propaganda in various provinces across Afghanistan, but it does not have the ability or authority to conduct multiple operations across the country,” a recent Pentagon report said. But where it operates, IS is inflicting chaos and casualties and causing confusing scenarios for disparate opponents.
In the Tora Bora area, where IS has made a strong stand in recent days, local villagers and militias joined with Taliban to rout IS. IS regained ground after a few days, leading to U.S. military air attacks on IS positions in conjunction with Afghan intelligence instructions and army operations.
IS fighters reportedly have fled from mountain caves of Tora Bora, where al-Qaida’s leader Osama bin Laden hid from U.S. attack in 2001.
IS fighters were also reportedly advancing in neighboring Khogyani district, displacing hundreds of families, according to district officials. It is one of several areas in Nangarhar province, near the Pakistani border, where IS has been active for over two years.
Fierce clashes in the Chaparhar district of Nangarhar last month left 21 Taliban fighters and seven IS militants dead, according to a provincial spokesman. At least three civilians who were caught in the crossfire were killed and five others wounded.
“IS has overpowered Taliban in some parts of Nangarhar because the Taliban dispatched its elite commando force called Sara Qeta (Red Brigade) to other parts of the country, including some northern provinces to contain the growing influence of IS there,” Wahid Muzhda, a Taliban expert in Kabul, told VOA.
IS has also expanded in neighboring Kunar province, where, according to provincial police chief, it has a presence in at least eight districts and runs a training base, where foreign members of IS, train new recruits.
Hundreds of miles from Nangarhar, IS is attempting to establish a persistent presence in several northern provinces where it has found a fertile ground for attracting militants and recruiting unemployed youths, mostly between the age of 13 and 20.
IS has been able to draw its members from the Pakistani Taliban fighters, former Afghan Taliban, and other militants who “believe that associating with or pledging allegiance” to IS will further their interests, according to the Pentagon report.
Hundreds of militants have joined IS ranks in northern Jouzjan and Sar-e-Pul province where local militant commanders lead IS-affiliate groups in several districts.
Qari Hekmat, an ethnic Uzbek and former Taliban militant who joined IS a year ago, claims to have up to 500 members, including around 50 Uzbek nationals who are affiliated with the Islamic Movement of Uzbekistan (IMU) — previously associated with al-Qaida and Taliban in Afghanistan.
IS and Taliban are reportedly fighting over the control of Darzab district in Jouzjan which they stormed this week from two different directions and besieged scores of government forces. The Taliban has reportedly captured the center of the district while IS militants control the city outskirts.
Afghanistan faces a continuing threat from as many as 20 insurgent and terrorist networks present or operating in the Afghanistan-Pakistan region, including IS, the Pentagon said.
“In areas where the government has limited influence and control, IS attempts to emerge and expand there,” Ateequllah Amarkhail, an analysts and former Army general in Kabul told VOA.
IS has also claimed responsibility for several recent attacks in urban areas, however, with a hit-and-hide strategy that is proving effective. And it is engaging too in more skirmishes with U.S. forces that initially were sent to the country to help Afghan forces halt the spread of Taliban.
Three American service members based in eastern Afghanistan were killed in April during operations targeting IS militants, according to the Pentagon.
“ISIS-K remains a threat to Afghan and regional security, a threat to U.S. and coalition forces, and it retains the ability to conduct high-profile attacks in urban centers,” the Pentagon said. (VOA)
Google's project 'We Wear Culture' is collaborating with 183 renowned cultural institutions from all around the world including India and its objective is to let people explore history of clothes dating as early as 3,000 years ago
Google’s project ‘We Wear Culture’ is collaborating with 183 renowned cultural institutions from all around the world including India
It intends to trace the story and importance of Indian textiles from ancient sculptures
Its objective is to let people explore history of clothes dating as early as 3,000 years ago
June 15, 2017: To a certain extent, a culture is defined by what is worn by its people. In a country as diverse as India, vast and varied spectrum of cultures and clothes is one of the specialties. Google’s latest virtual exhibition project now provides us the opportunity to explore and know more about it.
Google’s project ‘We Wear Culture’ is collaborating with 183 renowned cultural institutions from all around the world including India and its objective is to let people explore history of clothes dating as early as 3,000 years ago, from the ancient Silk Road to the unmatched elegance of the Indian Saree, from the courtly fashion of Versailles, to the Victorian ballgowns with intricate thread work.
According to Amit Sood, director of Google Arts and Culture,”We invite everyone to browse the exhibition on their phones or laptops and learn about the stories behind what you wear. You might be surprised to find out that your Saree, jeans or the black dress in your wardrobe have a centuries-old story. What you wear is true culture and more often than not a piece of art.”
The company also mentioned that noteworthy collections from Chhatrapati Shivaji Maharaj Vastu Sangrahalaya (CSMVS) and varied weaves from across India, from Gharchola to Patola to Temple to Ikat sarees will be included in the online project, as it intends to trace the story and importance of Indian textiles from ancient sculptures.
According to PTI reports, the world fashion exhibit also includes designs from north-eastern India including the weaves of tribes such as the Nagas, Meitis. it will showcase the traditional attire from Meghalaya called ‘Dhara’ or ‘Nara’ worn by the Khasi women as well.
As a part of the exhibit, Sewa Hansiba Museum has brought the unique colorful and rich embroidery arts, applique and mirror work from different communities such as the Ahir, Rabari, Chaudhury Patel and many others from the western part of India online.
The exhibition conducted by Salar Jung Museum brings to light the Sherwani and its journey of becoming the royal fashion statement of the Nizams from 19th century Hyderabad. Fashion and textiles enthusiasts can revisit Colonial Indian attires with Dr Bhau Daji Lad Mumbai City Museum. Over 400 online exhibitions and stories sharing a total of 50,000 photos, videos and other documents on world fashion are open to exploration as well.
The ‘We wear Culture’ initiative highlights significant events in the growth of the world fashion industry; the icons, the movements, the game changers and the trendsetters like Alexander McQueen, Christian Dior, Yves Saint Laurent, Gianni Versace, Audrey Hepburn and many more.
– prepared by Durba Mandal of NewsGram. Twitter: @dubumerang