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ScienceDaily (Feb. 27, 2012) ? A new study, by Dr Rob Hester from the Department of Psychological Sciences and colleagues at the Queensland Brain Institute, investigated how the brain monitors ongoing behaviour for performance errors -- specifically failures of impulse control.
It found that a single dose of methylphenidate (Ritalin) results in significantly greater activity in the brain's error monitoring network and improved volunteers' awareness of their mistakes.
Diminished awareness of performance errors limits the extent to which humans correct their behaviour and has been linked to loss of insight in a number of clinical syndromes, including Alzheimer's Disease, Schizophrenia and Attention-Deficit Hyperactivity Disorder. The findings demonstrate that activity within those parts of the brain that deal with human error, including the dorsal anterior cingulate (dACC) and inferior parietal lobule (IPL) differs depending on whether participants are aware of their performance errors. Critically, researchers showed that a single, clinically relevant dose of methylphenidate, which works by increasing the levels of catecholamines in the brain, dramatically improved error awareness in healthy adults.
Researchers used functional magnetic resonance imaging (fMRI) to show that methylphenidate was able to promote the conscious awareness of performance errors by strengthening activation differences within the dACC and IPL for errors made with and without awareness, compared to placebo and other comparison drugs.
While the study provided only a single dose of methylphenidate to healthy participants, and needed to be replicated in people using standard clinical doses, the data highlights the potential of pharmacotherapy in addressing problems of awareness and insight that features in a range of neurologic and psychiatric conditions.
Dr Hester said failure to recognise errors was related to poor insight into a person's clinical condition, which can impair treatment.
"For example, in conditions such as Schizophrenia and Alzheimer's Disease, poor error awareness has been associated with delusions, paranoia and has been the cause of considerable distress to patients," he said.
"Failing to recognise your own error at the time can account for the difference between your recollection and the reality that confronts you. Understanding the brain mechanisms that underlie how we become conscious of our mistakes is an important first step in improving error awareness, and potentially reducing these symptoms."
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The above story is reprinted from materials provided by University of Melbourne.
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Source: http://www.sciencedaily.com/releases/2012/02/120227094335.htm
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Gone are generally the days any time little children performed concerning in areas in the summer. The youngsters of modern day age relax by simply actively playing games on their computers as well as PlayStations. The gaming way of life is no more related to youngsters and has turn out to be an anger of all age groupings. Internet has gotten this world simply by hurricane, and also the craving can be hard to avoid. Online free games can become of various formats, based on your current personal selection. The categories to select from are motion, puzzles, adventure, car racing and so on. These are an quick addiction and so are hard to get around.
Nearly all of these are usually free, however, many of these types of do demand a numerous individual policy for which in turn the players require to form a team. These kinds of multiple user games can end up being enjoyed using Wireless connections amid teams in a distinct place or even can also be performed by users from many different locations. A few of the very interesting characteristics they supply tend to be point out of the art appear quality which usually virtually places the player in a make-believe world. The high technology graphics are also critical sides which usually appeals to the users towards these kinds of online games.
The games can become down loaded then played out where as a number of of the games need online support to find a way to enjoy the games. The games are often multi level games and thus preserve the focus of the player by varying the problems of each and every level.
Online games are getting to be a present preoccupation of the game frenzy and technology informed customers. These types of players decide on the greatest games dependent on the quality of the visuals and also adventure level. The images practically makes it impossible to identify involving the virtual and real world. By using these advancement in the online gaming market, it is also a great potential customer for an business enterprise.
Web sites to acquire and also participate in these kinds of online games are generally mushrooming in the market along with only the finest can sustain the lots of competition in phrases of acceptance. A standard gamer stays at minimum two to three hours gaming everyday on an common. Though the online gaming scenario is actually booming, mental health expert around the world are usually worried of the outcomes of internet games on the players. With the significantly of time and energy dedicated to these kinds of games, the players are generally shedding picture of the real world and also dropping directly into the virtual world of the games. Hate it as well as have fun here, online gaming will be here to stay.
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Source: http://monsterarticle.info/the-relevance-of-online-gaming-in-todays-life.html
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By RONALD BLUM
updated 9:11 p.m. ET Feb. 23, 2012
NEW YORK - Joe Torre's group has dropped out of bidding for the bankrupt Los Angeles Dodgers because current owner Frank McCourt won't include the parking lots outside the stadium.
The decision, first reported by The Los Angeles Times, was conveyed to Major League Baseball executive vice president Rob Manfred in a letter from group head Rick Caruso and Torre. The letter was obtained by the Times and The Associated Press.
Caruso, a real estate developer, and Torre said in the letter that "if the circumstances of the sale change, we are prepared to re-engage in the process immediately."
The Dodgers declined comment, spokeswoman Lyndsey Estin said.
Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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Source: http://nbcsports.msnbc.com/id/46506672/ns/sports-baseball/
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Google has been spending February making its online office program better for users of Android, with the crown jewel feature finally available to smartphone and tablet users: collaboration.
The update to Google Docs hit the Android Market this morning, and it finally gives something akin to the full experience of Google Docs to mobile users. Now Android users can access documents that they share with other users across the web, and both (or more) users can access and alter the document at the same time. Basically, a co-worker can edit a document on her PC while you watch on your smartphone, in real time.
It?s a feature that Google Docs is known for in its web app, but hasn?t been available in the mobile version. On a PC, multiple users can access the same Google Docs, alter them in real time and even chat using the app?s on-board messaging service to talk about the collaboration as it happens. Google Docs for Android still doesn?t have that chat feature, but with all the big changes Google has been pushing to the Android version of Docs, it wouldn?t be too surprising to see it pop up in a future update.
It?s worth noting that while Google has fleshed out the word processing portion of Google Docs with collaboration, as well as rich text editing (like bolding, italicizing and the like), collaboration still isn?t available on spreadsheets. Multiple users can open a spreadsheet simultaneously, but you won?t get their changes in real time; you have to refresh the document to see what has been altered.
Adding collaboration is just the latest update Google has pushed for its online office software. Earlier this month, it brought another big feature to the Android community in offline access. Previously, users could only edit documents on Google Docs if they were actively connected to the Internet, but the offline mode allows users to save documents locally, edit them while not connected, then upload the changes to the web when they get their connection back.
Google Docs is an incredibly useful, free online service that Google provides, and up to now the Android version has been useful without being a game changer. But with full featured collaboration, that?s no longer the case. Android now has a serious contender in the office software department that?s tough to beat by just about anything on Apple?s iOS platform. Google has a significant suite of great web apps, and if it keeps working on making them highly as well as Android-exclusive, it?ll have a powerful weapon against its opponents in the mobile market.
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