The BlueAnt V1x is a moderately priced “basic” headset with a few tricks up its sleeve.
Since many of us live in places that make talking on the phone or text illegal (we already know it is dumb and dangerous) investing in a Bluetooth headset is more of necessity than a luxury. Read on to see if this is the right headset for you.
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Last week, I was at the Dell annual Industry Analyst Conference, and it suddenly struck me that we are looking at a very different technology market this decade. Apple is expected to slide, largely due to the firm's inability to replace Steve Jobs; the dynamic that created Microsoft is changing, and analysts are questioning the firm's relevance as Dell and HP ramp up their own software efforts. Dell, in particular, is doing some really interesting things.
New discoveries about brain-hand connection sought to improve therapies, treatments, prostheticsPublic release date: 21-Mar-2012 [ | E-mail | Share ]
Contact: Joe Kullman joe.kullman@asu.edu 480-965-8122 Arizona State University
Research at Arizona State University and Columbia University to better understand the intricate sensory and cognitive connections between the brain and the hands has won support from the National Science Foundation. New discoveries about such connections could benefit people with neurological disorders such as Parkinson's disease and cerebral palsy, and those who need prosthetic hands.
The NSF has awarded a $640,000 grant to fund a research collaboration between Marco Santello, an ASU professor of biomedical engineering, and Columbia University scientist Andrew Gordon to expand their studies in this area.
Santello is also interim director of the School of Biological and Health Systems Engineering, one of ASU's Ira A. Fulton Schools of Engineering. Gordon is a professor of movement science in the Behavioral Science department in Columbia's Teachers College, where he coordinates the Kinesiology program.
The two have worked together for several years in pursuit of deeper knowledge about interactions between sensory feedback and motor actions involved in control of the hand.
In their current project they're seeking to determine the neural mechanisms that control learning and planning of the grasping and manipulation of objects.
They're examining the visual cues people use to assess object properties before they grasp or otherwise manipulate objects. In addition to using cues such as object shape or density, people often use memory of similar actions performed in the past.
"We can pick up these cues, and we can predict the result of our actions on an object, but we don't know exactly how the brain does this," Santello says.
Santello's focus is on neural control of the hand and the workings of senses such as vision and touch. By manipulating these senses in people with normal brain, hand and muscle functions, Santello studies what causes the performance of an action that is easy under normal conditions to become difficult. This allows him to identify what impact a specific sense has on how the brain controls the hands.
In his experiments, he imposes sensory deficits on test subjects, using goggles to block vision at selected times during the manipulation to interfere with the subjects' abilities to learn and execute grasping tasks. "We want to understand what aspects of visual feedback help the brain to successfully control grasping of an object and store a memory representation of that action," he explains.
Gordon's does cerebral palsy research. His related collaborative work with Santello focuses on cognitive aspects of the interaction between the brain and the hands, assessing the information the brain gains and processes from sensing the shapes of objects and exploring the role of memory of past actions.
"It's important to discern the basic mechanisms of storing the memory of recently performed actions, of planning future actions and integrating sensory feedback in healthy individuals, so that we might be better able to understand and treat neurological or musculoskeletal disorders," Santello says.
"In particular, understanding how we integrate 'what we know' from prior manipulations with an object and 'what we see' is crucial." Gordon says. "This is all the more important when our senses, and thus our ability to create sensory memories, is impaired, as is often the case in cerebral palsy."
Knowledge gained by such research can also be applied to improving neuroprosthetics. Current technology is able to provide extremely sophisticated artificial hands, but controlling the hands remains a challenge.
"The more we understand about the high- level processing that the brain has to go through to plan an action, the closer we will be to building more intelligent prosthetic systems that are capable of more human-like performance," Santello says.
Like Gordon, Santello has expertise in kinesiology the study of movement with a focus on kinematics of the hand, involving how the hand is shaped and how it performs grasping and related actions.
He began conducting hand research while working as a post-doctoral researcher at University of Minnesota, where he met Gordon, who had just completed his post-doctoral research there.
In the past eight years, they have expanded research into the workings of physical motor skills by incorporating recent advances in knowledge of biomechanics, neurophysiology and psychology.
Santello and Gordon now examine not only how objects are grasped, but look at why people choose to grasp an object in the ways they do.
By taking decision-making functions into account, they're trying to provide a more comprehensive view of the brain-hand relationship how, for instance, the brain and hand work together to create a memory of the position and force necessary to manipulate particular objects.
###
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
New discoveries about brain-hand connection sought to improve therapies, treatments, prostheticsPublic release date: 21-Mar-2012 [ | E-mail | Share ]
Contact: Joe Kullman joe.kullman@asu.edu 480-965-8122 Arizona State University
Research at Arizona State University and Columbia University to better understand the intricate sensory and cognitive connections between the brain and the hands has won support from the National Science Foundation. New discoveries about such connections could benefit people with neurological disorders such as Parkinson's disease and cerebral palsy, and those who need prosthetic hands.
The NSF has awarded a $640,000 grant to fund a research collaboration between Marco Santello, an ASU professor of biomedical engineering, and Columbia University scientist Andrew Gordon to expand their studies in this area.
Santello is also interim director of the School of Biological and Health Systems Engineering, one of ASU's Ira A. Fulton Schools of Engineering. Gordon is a professor of movement science in the Behavioral Science department in Columbia's Teachers College, where he coordinates the Kinesiology program.
The two have worked together for several years in pursuit of deeper knowledge about interactions between sensory feedback and motor actions involved in control of the hand.
In their current project they're seeking to determine the neural mechanisms that control learning and planning of the grasping and manipulation of objects.
They're examining the visual cues people use to assess object properties before they grasp or otherwise manipulate objects. In addition to using cues such as object shape or density, people often use memory of similar actions performed in the past.
"We can pick up these cues, and we can predict the result of our actions on an object, but we don't know exactly how the brain does this," Santello says.
Santello's focus is on neural control of the hand and the workings of senses such as vision and touch. By manipulating these senses in people with normal brain, hand and muscle functions, Santello studies what causes the performance of an action that is easy under normal conditions to become difficult. This allows him to identify what impact a specific sense has on how the brain controls the hands.
In his experiments, he imposes sensory deficits on test subjects, using goggles to block vision at selected times during the manipulation to interfere with the subjects' abilities to learn and execute grasping tasks. "We want to understand what aspects of visual feedback help the brain to successfully control grasping of an object and store a memory representation of that action," he explains.
Gordon's does cerebral palsy research. His related collaborative work with Santello focuses on cognitive aspects of the interaction between the brain and the hands, assessing the information the brain gains and processes from sensing the shapes of objects and exploring the role of memory of past actions.
"It's important to discern the basic mechanisms of storing the memory of recently performed actions, of planning future actions and integrating sensory feedback in healthy individuals, so that we might be better able to understand and treat neurological or musculoskeletal disorders," Santello says.
"In particular, understanding how we integrate 'what we know' from prior manipulations with an object and 'what we see' is crucial." Gordon says. "This is all the more important when our senses, and thus our ability to create sensory memories, is impaired, as is often the case in cerebral palsy."
Knowledge gained by such research can also be applied to improving neuroprosthetics. Current technology is able to provide extremely sophisticated artificial hands, but controlling the hands remains a challenge.
"The more we understand about the high- level processing that the brain has to go through to plan an action, the closer we will be to building more intelligent prosthetic systems that are capable of more human-like performance," Santello says.
Like Gordon, Santello has expertise in kinesiology the study of movement with a focus on kinematics of the hand, involving how the hand is shaped and how it performs grasping and related actions.
He began conducting hand research while working as a post-doctoral researcher at University of Minnesota, where he met Gordon, who had just completed his post-doctoral research there.
In the past eight years, they have expanded research into the workings of physical motor skills by incorporating recent advances in knowledge of biomechanics, neurophysiology and psychology.
Santello and Gordon now examine not only how objects are grasped, but look at why people choose to grasp an object in the ways they do.
By taking decision-making functions into account, they're trying to provide a more comprehensive view of the brain-hand relationship how, for instance, the brain and hand work together to create a memory of the position and force necessary to manipulate particular objects.
###
[ | E-mail | Share ]
?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
FILE - In this undated file family photo, Trayvon Martin poses for a family photo. College students around Florida rallied Monday, March 19, 2012, to demand the arrest of a white neighborhood watch captain who shot unarmed teen Martin last month, though authorities may be hamstrung by a state law that allows people to defend themselves with deadly force. (AP Photo/Martin Family Photos, File)
FILE - In this undated file family photo, Trayvon Martin poses for a family photo. College students around Florida rallied Monday, March 19, 2012, to demand the arrest of a white neighborhood watch captain who shot unarmed teen Martin last month, though authorities may be hamstrung by a state law that allows people to defend themselves with deadly force. (AP Photo/Martin Family Photos, File)
Phoebe Denson, left, Myrtle Hudson march towards the Titusville Courthouse on Sunday, March 18, 2012, in Titusville, Fla. A rally was held demanding justice for Trayvon Martin, a black Florida teenager fatally shot by a white neighborhood watch volunteer. No charges have been filed in the February death. (AP Photo/Florida Today, Craig Rubadoux) NO SALES; MAGS OUT
Rev. Glenn Dames, senior pastor at St. James AME Church, leads people in a prayer at the Titusville Courthouse on Sunday, March 18, 2012, in Titusville, Fla. A rally was held demanding justice for Trayvon Martin, a black Florida teenager fatally shot by a white neighborhood watch volunteer. No charges have been filed in the February death. (AP Photo/Florida Today, Craig Rubadoux) NO SALES; MAGS OUT; MANDATORY CREDIT: FLORIDATODAY.COM
ORLANDO, Fla. (AP) ? Following a day of protests calling for the arrest of a Florida neighborhood watch captain who fatally shot an unarmed black teen, the U.S. Justice Department announced late Monday it will investigate the case.
George Zimmerman, 28, claims he shot 17-year-old Trayvon Martin last month in self-defense during a confrontation in a gated community in Sanford, Fla. Police have described Zimmerman as white; his family says he is Hispanic and not racist.
Zimmerman spotted Martin as he was patrolling his neighborhood on a rainy evening last month and called 911 to report a suspicious person. Against the advice of the 911 dispatcher, Zimmerman then followed Martin, who was walking home from a convenience store with a bag of Skittles in his pocket.
The Justice Department said in a statement late Monday that the FBI and the U.S. Attorney's Office will join in the agency's investigation.
"The department will conduct a thorough and independent review of all the evidence and take appropriate action at the conclusion of the investigation," the agency said.
The case has garnered national attention. Civil rights activist Al Sharpton is expected to join Sanford city leaders in a Tuesday evening town hall meeting to discuss with residents how the investigation is being handled. The Justice Department said its community relations service also will be in Sanford this week to meet with authorities, community officials and civil rights leaders "to address tension in the community."
Earlier Monday, students held rallies on the campus of Florida A&M University in Tallahassee and outside the Seminole County Criminal Justice Center, where prosecutors are reviewing the case to determine if charges should be filed.
But authorities may be hamstrung by a state law that allows people to defend themselves with deadly force. Prosecutors may not be able to charge Zimmerman because of changes to state law in 2005. Under the old law, people could use deadly force in self-defense only if they had tried to run away or otherwise avoid the danger.
Under the new law, there is no duty to retreat and it gives a Floridian the right "to stand his or her ground and meet force with force, including deadly force," if he feels threatened.
"I don't think a man who exited his vehicle after the 911 dispatcher told him to stay inside the car can claim self-defense," Carl McPhail, a 28-year-old Barry University law school student, said at the Sanford rally.
The 70 protesters at the Sanford rally chanted "What if it was your son?" and held posters saying, "This is not a race issue." Many carried Skittles.
Martin's parents and other advocates have said the shooter would have been arrested had he been black.
"You would think that Sanford is still in the 1800s claiming that this man can call self-defense for shooting an unarmed boy," restaurant owner Linda Tillman said.
U.S. Rep. Corrine Brown, D-Fla., along with members of the Congressional Black Caucus and the Congressional Hispanic Caucus, had asked the U.S. Department of Justice to review the case, and White House spokesman Jay Carney said earlier Monday during a briefing that officials there were aware of what happened.
"Our thoughts and prayers go out to Trayvon Martin's family," Carney said at the time. "But obviously we're not going to wade into a local law enforcement matter."
A message to Brown's spokesman late Monday was not immediately returned.
Late Monday, Florida Gov. Rick Scott directed the state Department of Law Enforcement to help local authorities in their investigation. The governor said in a memo to department Commissioner Gerald Bradley that the circumstances surrounding the death "have caused significant concern within the Sanford community and the state."
Prosecutors can have a hard time making a case if there is no one else around to contradict a person who claims self-defense, said David Hill, a criminal defense attorney in Orlando. So far, Sanford police have said there is no evidence to contradict Zimmerman's claims.
"If there is nobody around and you pull a gun, you just say, 'Hey, I reasonably believed I was under imminent attack. Hey, sorry. Too bad. But you can't prosecute me,'" Hill said, somewhat tongue-in-cheek.
Gun control advocates said the case is emblematic of permissive gun laws in Florida, which was among the first states to allow residents to carry concealed weapons. Florida was the first state to pass a "Stand Your Ground" law, which has been dubbed a "Shoot First" law by gun control advocates.
Currently, about half of all U.S. states have similar laws, said Brian Malte, legislative director of the Brady Campaign, which describes itself as the nation's largest organization dedicated to the prevention of gun violence.
"It's coming to dangerous fruition," Malte said. "There are more states like Florida."
The "Stand Your Ground" law's legislative sponsor, Florida Rep. Dennis Baxley, said it wasn't written to give people the power to pursue and confront others.
"That's not what this legislation does," said Baxley, a Republican. "Unfortunately, every time there is an unfortunate incident involving a firearm, they think it's about this law, and it's not."
The main difference between internet entrepreneurs and small business owners who succeed online and those that do not is having the correct information, awareness of powerful web business-building resources and most importantly taking action on this knowledge.
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Public release date: 21-Mar-2012
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