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  • BEST IN BOULDER

CU RESEARCHERS DEVELOP NEW SOFTWARE TO ADVANCE BRAIN IMAGE RESEARCH

Jun 26th

Posted by Channel 1 Networks in CU News

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A University of Colorado Boulder research team has developed a new software program allowing neuroscientists to produce single brain images pulled from hundreds of individual studies, trimming weeks and even months from what can be a tedious, time-consuming research process.

The development of noninvasive neuroimaging techniques such as functional magnetic resonance imaging, or fMRI, spurred a huge amount of scientific research and led to substantial advances in the understanding of the human brain and cognitive function. However, instead of having too little data, researchers are besieged with too much, according to Tal Yarkoni, a postdoctoral fellow in CU-Boulder’s psychology and neuroscience department.

The new software developed by Yarkoni and his colleagues can be programmed to comb scientific literature for published articles relevant to a particular topic, and then to extract all of the brain scan images from those articles. Using a statistical process called “meta-analysis,” researchers are then able to produce a consensus “brain activation image” reflecting hundreds of studies at a time.

“Because the new approach is entirely automated, it can analyze hundreds of different experimental tasks or mental states nearly instantaneously instead of requiring researchers to spend weeks or months conducting just one analysis,” said Yarkoni.

Yarkoni is the lead author on a paper introducing the new approach to analyzing brain imaging data that appears in the June 26 edition of the journal Nature Methods. Russell Poldrack of the University of Texas at Austin, Thomas Nichols of the University of Warwick in England, David Van Essen of Washington University in St. Louis and Tor Wager of CU-Boulder contributed to the paper.

Brain scanning techniques such as fMRI have revolutionized scientists’ understanding of the human mind by allowing researchers to peer deep into people’s brains as they engage in mental activities as diverse as reciting numbers, making financial decisions or simply daydreaming. But interpreting the results of brain imaging studies is often more difficult, according to Yarkoni.

“There’s often the perception that what we’re doing when we scan someone’s brain is literally seeing their thoughts and feelings in action, but it’s actually much more complicated,” Yarkoni said. “The colorful images we see are really just estimates, because each study gives us a somewhat different picture. It’s only by combining the results of many different studies that we get a really clear picture of what’s going on.”

The ability to look at many different mental states simultaneously allows researchers to ask interesting new questions. For instance, researchers can pick out a specific brain region they’re interested in and determine which mental states are most likely to produce activation in that region, he said. Or they can calculate how likely a person is to be performing a particular task given their pattern of brain activity.

In their study, the research team was able to distinguish people who were experiencing physical pain during brain scanning from people who were performing a difficult memory task or viewing emotional pictures with nearly 80 percent accuracy. The team expects performance levels to improve as their software develops, and believes their tools will improve researchers’ ability to decode mental states from brain activity.

“We don’t expect to be able to tell what people are thinking or feeling at a very detailed level,” Yarkoni said. “But we think we’ll be able to distinguish relatively broad mental states from one another. And we’re hopeful that might even eventually extend to mental health disorders, so that these tools will be useful for clinical diagnosis.”

Portapotty suspect may have spied in other restrooms

Jun 24th

Posted by Channel 1 Networks in Crime

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Boulder police continue to investigate the suspect in the portable toilet spying incident that happened at the Hanuman Yoga Festival on June 17. Luke Irvin Chrisco (DOB 9/12/1980) was arrested during a traffic stop in Vail on June 23 and remains in the custody of Vail Police and is being held on Boulder charges.

During the course of the investigation, Chrisco claimed that he had spied on women in other public restrooms around Boulder. Detectives are in the process of contacting business owners in an attempt to substantiate Chrisco’s statements. In addition, detectives are searching all restrooms in which Chrisco claimed to have spied. Police will notify all Boulder businesses today which have been named by Chrisco.

Detectives have already confirmed that there are “peepholes” in the restrooms of several local businesses. Owners of those businesses are taking appropriate action to seal the holes. At this time, police are not releasing the names of the businesses because detectives are still conducting the investigation and confirming information.

Boulder detectives are working with the District Attorney’s Office and it is anticipated that Chrisco could face additional charges.

The Boulder Police Department will update the public and media early next week, as soon as more information is available which has been confirmed.

Motion Underground at Band on the Bricks

Motion Underground at Band on the Bricks

Jun 22nd

Posted by Channel 1 Networks in Band on the Bricks

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Boulder Channel 1 watches the breaking, popping, locking, spinning and dancing from the kids trainers and freestylists at Motion Underground Studio in Boulder on their dance floor at the Band on the Bricks summer concert series.

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