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Telling youths who are juggling multiple electronic devices to "focus on the task at hand" may not always be good advice, according to research to be presented by two high school students on Saturday, Oct. 11 at the American Academy of Pediatrics (AAP) National Conference & Exhibition.

Sarayu Caulfield and Alexandra Ulmer, seniors at Oregon Episcopal School in Portland, Ore., will present their study "Capacity Limits of Working Memory: The Impact of Media Multitasking on Cognitive Control in the Adolescent Mind" from 1-1:30 p.m. in Marina Ballroom Salon E at the San Diego Marriott Marquis.

Contrary to popular belief that multitasking leads to poor performance, the young researchers found the opposite is true for adolescents who spend a lot of time switching between media devices and tasks.

"Maybe practice really does make perfect," Ms. Ulmer said.

"In our current multimedia environment, there are people who are multitasking at an exceedingly high rate, and the reality is that they may have become really good at it," Ms. Caulfield added.

To study how media multitasking affects adolescents' ability to process information, the young researchers recruited 196 females and 207 males ages 10-19. All participants answered questions about their daily media habits and completed the Stanford Multitasking Media Index, which assesses how often a person multitasks (e.g., texts, instant messages and emails at the same time).

Participants then completed tests to assess their ability to switch between tasks and to focus on a single task. They were randomly assigned to complete these tasks sequentially with no distractions (non-multitasking) or simultaneously with auditory, visual and cognitive distractions such as responding to emails (multitasking).

Results showed that those who scored low on the media multitasking index spent an average of about 20 minutes a day multitasking. They also averaged about 2.5 hours of homework per day and were multitasking 0.08% of this time. Meanwhile, those who scored high on the multitasking index averaged more than three hours per day of multitasking. They did homework for about 3.5 hours a day and juggled multiple tasks for more than 50% of this time.

When asked to complete the study tasks, high media multitaskers were better at filtering out distractions but performed worse when made to focus on a single task. Low multitaskers were less able to filter out distractions but focused better on single tasks.

"We must emphasize that most people performed best when focused on just one task," Ms. Caulfield said. "However, there was a group that provided us with an exception to that finding -- the high media multitaskers."

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Some adolescents adept at media multitasking, Research by high school students reveals

Census Harassment: "They won #39;t take no for an answer"; "the NSA listens to everybody"
This is audio of a real phone call that transpired on October 6, 2014. The Census representative issued veiled threats and promised ongoing harassment if I would not respond to a questionnaire...

By: Census Harassment

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Census Harassment: "They won't take no for an answer"; "the NSA listens to everybody" - Video

galera de nsa
Este vdeo foi enviado de um telefone com o Android.

By: Ernandes Campos

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NSA Prism Surveillance Program The Big Brother
A video by Hindu Judaic.

By: hindu judaic

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NSA Prism Surveillance Program The Big Brother - Video

Army General Keith Alexander.

DOD/NSA

New financial disclosure documents released this month by the National Security Agency (NSA) show that Keith Alexander, who served as its director from August 2005 until March 2014, had thousands of dollars of investments during his tenure in a handful of technology firms.

Each year disclosed has a checked box next to this statement: "Reported financial interests or affiliations are unrelated to assigned or prospective duties, and no conflicts appear to exist."

Alexander repeatedly made the public case that the American public is at "greater risk" from a terrorist attack in the wake of the Snowden disclosures. Statements such as those could have a positive impact on the companies he was invested in, which could have eventually helped his personal bottom line.

The NSA did not immediately respond to Ars requests for further comment.

The documents were obtained and published Fridayby ViceNews as the result of a Freedom of Information Act request and subsequent lawsuit against the NSA brought by Vice Newsreporter Jason Leopold.

The 60 released pages, which cover a period from 2008 through 2013, document that as of 2008, Alexander had as much as $50,000 invested in Synchronoss, a cloud storage firm. Synchronoss provides services to major mobile phone providers, including AT&T, Verizon and others.

He also had as much as $15,000 invested in Datascension, a "data gathering and research company." Public trades in the firm were suspended by the Securities and Exchange Commission in August 2014 due to "a lack of current and accurate information" about it.

Pericom, a semiconductor company that also has made hardware for "DVR solutions for the CCTV security and surveillance markets," also appears in his portfolio, with investments up to $15,000 appearing as of 2008.

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Former NSA director had thousands personally invested in obscure tech firms