Predicting ICU survival: A meta-level approach Jul 27, 2008
We used Glasgow Coma Scale (GCS), Acute Physiology And Chronic Health Evaluation II (APACHE II), Sequential Organ Failure Assessment (SOFA) and Injury Severity Score (ISS) values to structure a decision tree (DTM), a neural network (NNM) and a logistic regression (LRM) model and we evaluated the assessment indicators implementing Receiver Operating Characteristics (ROC) plot analysis. Results. (BioMed Central)
Fish taught us how to make a sound Jul 23, 2008
Researchers from Cornell University mapped developing brain cells in newly hatched midshipman fish larvae and compared them to those of other species and found that the neural network behind sound production in vert 00004000 ebrates could be traced back to an era long before the first animals ventured onto dry land. With laser-scanning confocal microscopy, the research team observed clusters of cells in the larvae's developing hindbrain as they formed connections and grew into the networks that... (India Times)
The Two Types of Artificial Intelli... Jul 18, 2008
The other hope is to engineer an artificial neural network capable of functioning that is comparable to a human brain. Although strong A.I. is still only in the conceptive stage, it is this technology that is the fuel that drives the fear associated with artificial intelligence. (Suite101.com)
Artificial Intelligence: Astronomers' New Assistant Jul 18, 2008
Compact enough to run on a laptop, the EBAI neural network analyzes dips in the light coming from binary systems as one component passes in front of the other ... Now, if you're like me, your eyes glaze over when you hear "neural network." This Treky term is actually just an exciting name for a simple concept, Pr a explains ... A neural network has three levels: input, hidden, and output. (SkyAndTelescope.com)
Vocal Communication Evolved In Ancient Species Jul 18, 2008
By mapping the developing brain cells in newly hatched midshipman fish larvae and comparing them to other species, Andrew H. Bass, Cornell professor of neurobiology and behavior, and colleagues Edwin Gilland of Howard University and Robert Baker of New York University found that the neural network behind sound production in vertebrates can be traced back through evolutionary time to an era long before the first animals ventured onto dry land. Bass used fluorescent dyes to identify distinct... (Science Daily)
Dendrites Found To Be Senders Of "Trust" Hormone During Suckling Jul 18, 2008
Dendrites usually construct a weak neural network, but the scientists have determined that oxytocin coming from the dendrites enhances the communication between neurons and begins a positive-feedback process on activity. This ultimately leads to and manages the observed "swarm" of oxytocin - massively intense and recurring bursts of release. (Medical News Today)
'Fear' cells in brain identified Jul 15, 2008
Looking into amygdala and how its activity impacts behaviour, Professor Par identified a critical component of the amygdalas neural network normally involved in the extinction, or elimination, of fear memories, The Science Daily online reported. Earlier research has revealed that in animals and humans, the amygdala is involved in the expression of innate fear responses, such as the fear of snakes, along with the formation of new fear memories as a result of experience, such as learning to fear... (India Times, India)
Brain Cells Related To Fear Identified, Paving The Way For More Effective Treatment Of Post-Traumatic Stress And Other Anxiety Disorders Jul 13, 2008
Potentially paving the way for more effective treatments of anxiety disorders, a recent Nature report by Denis Par;, professor at the Center for Molecular and Behavioral Neuroscience at Rutgers University in Newark, has identified a critical component of the amygdala s neural network normally involved in the extinction, or elimination, of fear memories. Par; s laboratory studies the amygdala and how its activity impacts behavior. (Science Daily)
Sounding out heart problems automatically Jul 13, 2008
The classification uses an Artificial Neural Network (ANN) and a Grow and Learn (GAL) network. These are trained with standardized sounds associated with a specific diagnosis. (EurekAlert!)
Machine music Jul 5, 2008
The robots use neural networks, a collection of computer processors that function in a similar way to a simple animal brain. Neural networks are popular in the field of artificial intelligence because of their ability to recognise patterns from the sensory input of external sources, much like a human brain ... The neural network understands the music in a similar way to a human brain, breaking down the sound into a series of frequency bands. (BBC News -- Science)
Punk rages with his machines Jun 25, 2008
Each is controlled by a computer neural network and has been "educated" in the finer points of punk music by Warman, who played them a vast selection of the vinyl records he collected when younger ... He says his experiment "invites consideration of how taste is embodied in human nearness or artificial neural networks". (Sydney Morning Herald -- Entertainment)
Computer Model For Finding Mosquito Repellent Compounds Jun 13, 2008
The researchers used a particularly efficient approach, called quantitative structure-activity relationship, or QSAR. They chose a modeling system called an artificial neural network (ANN), because it can test theoretical compounds generated by the computer against a complicated phenomenon like duration of repellency ... This phase of the work trained the neural network to recognize the most effective kinds of chemicals ... By applying an artificial neural network (ANN) modeling system,... (Science Daily)
How music is therapy for our brains Jun 2, 2008
The activity among his neural network was completely different after one year of lessons. Sacks also advocated music in the classroom. (USA Today -- Tech)
Bioinformatic analyses of mammalian 5'-UTR sequence properties of mRNAs predicts alternative translation initiation sites May 9, 2008
Critical parameters of 5'-UTRs were assessed by an Artificial Neural Network (ANN) for identification of the aTIS codon and its location. ANNs have previously been used for the purpose of AUG start site prediction and are applicable in complex. (BioMed Central)
Cycling More Intelligently Apr 17, 2008
21, 1999) Penn State researchers have developed the first neural network pattern recognition software - "a tool that learns" - to predict the stresses on pavement from truck radial-ply and truck. . (Science Daily)
Rimfire Options Springfield Gold Project From Jaguar Minerals Apr 15, 2008
"There are many reasons why we are excited to be exploring Springfield not the least of which is a very high ranking in the BWG Neural Network study." ... These exploration licenses were selected on the basis of the BWG Neural Network study which incorporated geological, geophysical (gravity, magnetic and radiometric), geochemical, lithological, structural, Landsat, topographical, and drilling databases. (CCNMatthews Press Releases)
How Color Vision Is Processed: Fly Brain Circuitry Mapped Mar 31, 2008
Morante and Desplan reconstructed the neural network in Drosophila's medulla--the brain structure where color photoreceptors project--focusing on neurons likely to be involved in processing color vision. In this endeavor, they identified the full complement of neurons in the medulla. (Science Daily)
Rocketinfo Launches New Version of News Search Engine Mar 28, 2008
Rocketinfo news monitoring products employ proprietary neural network technology and allow business professionals to conduct news monitoring, brand monitoring and competitive intelligence activities across 60,000 news sources. Rocketinfo, Inc., 701 5th Avenue, Seattle, Washington 98104, 206-219-0146. (Primezone Releases)
Cowan discovers analogy between behavior of chemical reaction networks, neural networks of brain Mar 21, 2008
When his research career began in 1962 as a graduate student in electrical engineering, he worked with the founders of neural network theory at the Massachusetts Institute of Technology, including Norbert Wiener, who had a clear idea about how they should proceed ... In 1972, he and postdoctoral fellow Hugh Wilson, now of Canada s York University, formulated a set of equations that could describe the dynamics of neural networks ... Now called Wilson-Cowan equations, they became a mainstay of... (Univeristy of Chicago Chronicle, IL)
How To Make Smarter Software Mar 20, 2008
Don't call Hawkins' work "artificial intelligence," however, or even its progeny, "neural networks." ... "Unlike simple neural networks, HTMs model the larger scale structure and behavior of the neocortex," Hawkins says ... That is a big difference from neural network software, another effort to mimic the brain that has so far had limited results. (Forbes -- Technology)
New Method To Estimate Sea Ice Thickness Mar 7, 2008
The report "Fluctuating Arctic sea ice thickness changes estimated by an in-situ learned and empirically forced neural network model" was recently published in the Journal of Climate and can be found at the. Adapted from materials provided by. (Science Daily)
Functional discrimination of membrane proteins using machine learning techniques Mar 3, 2008
We have utilized different machine learning algorithms, such as, Bayes rule, Logistic function, Neural network, Support vector machine, Decision tree etc ... The neural network method discriminated the channels/pores, electrochemical potential-driven transporters and active transporters with the 5-fold cross validation accuracy of 64% in a data set of 1718 membrane proteins. (BioMed Central)
Scientists create human nervous tissue constructs Mar 1, 2008
"We have created a three-dimensional neural network, a mini-nervous system in culture, which can be transplanted en masse," according to lead researcher Prof Douglas H. Smith of the University of Pennsylvania. The team obtained human dorsal root ganglia neurons (clusters of nerves just outside the spinal cord) to engineer into transplantable nervous tissue. (Hindu)
VISA'S LUCRATIVE HOUSE OF CARDS Company is recasting itself as a... Feb 26, 2008
" By 1970, 243 banks had joined forces to create an independent corporation called National BankAmericard Inc., which bought the BankAmericard system from BofA. The new company helped the card become even more widely used. Expansion into other countries started in 1974. That made the residue of "America" in the card name problematic, spurring a 1976 name change to Visa. Hock and his team felt that word, besides being short and easily recognized, connoted mobility, acceptance and travel,... (San Francisco Chronicle -- Business)
Alhambra Resources Ltd. - Appointment of New Director Feb 26, 2008
In 2005, Mr. Gorton also co-founded BWG Mining which applies supervised Neural Network technology to multiple exploration data sets targeting new discoveries. Mr. Komarnicki commented saying, "Mr. Gorton has achieved much in his career. We welcome Richard into our organization and look forward to his leadership and expertise in the mining sector." Alhambra also announces the granting of a stock option to Mr. Gorton, to purchase up to 200,000 common shares of the Corporation. (Canada Newswire)
Brain Waves Pattern Themselves After Rhythms Of Nature Feb 21, 2008
In 1972, he and postdoctoral fellow Hugh Wilson, now of Canada's York University, formulated a set of equations that could describe the dynamics of neural networks. Now called "Wilson-Cowan equations," they became a mainstay of neural network research ... "It so happens that there is an analogy between the behavior of chemical reaction networks and neural networks.". (Science Daily)
Computer Decodes Dogs' Barks Jan 18, 2008
Then they fed the sound recordings into an artificial neural network developed by a team led by Frdric Kaplan at the Ecole Polytechnique Fdrale de Lausanne in Switzerland. The artificial neural network identified key audio features of each bark and Molnr's team found that the computer software could identify the situation in which a bark was recorded ... Molnr thinks that selection by humans could explain why an artificial neural network is better at recognising that a dog is... (ABC News)
BBC Micro Designer Gets CBE Jan 4, 2008
Called - a universal Spiking Neural Network architecture - when completed this will model a billion neurons in real-time, an amazing feat brought into perspective only when you realise that this is _still only_ around 1% of the human brain. The size of the project and the inherant complexity of connecting so many processors has highlighted the problems of getting so many powerful chips to communicate with each other. (Digital-Lifestyles.Info)
Nokia Won't Play iphone's Tune Dec 5, 2007
One attention-getting feature uses neural network software to display photos as clusters of images seemingly floating in three-dimensional space, with links to information such as e-mail addresses of people depicted, or maps showing where they were when photographed. If that's too much for some users, they can still organize their photos in two-dimensional rows the old-fashioned way. (BusinessWeek)
Why Quitting Smoking Is So Difficult Nov 9, 2007
In addition, researchers have identified a potential neural network that regulates the body's craving response and have demonstrated how smoking may affect decision-making ... " Often, the depth of a person's addiction to nicotine can depend on their internal chemistry, says Jerry Stitzel, PhD, of the University of Colorado, who designed a study to evaluate the effects of nicotine over the course of a day. Stitzel's team examined three types of mice: one with a genetic mutation that limits the... (Science Daily)
Brain Chemical Underpins Social Interaction, And Why People Make Irrational Decisions Nov 8, 2007
Additional imaging work shows that the same neural network responsible for rationally evaluating risky opportunities is also responsible for the irrational behavior of decision-makers when they face ambiguous situations. See also. (Science Daily)
'PIN Codes' Of The Immune System Can Be Hacked Nov 3, 2007
Researchers from BioCentrum DTU and the Faculty of Health Sciences at the University of Copenhagen have combined the fields of Bioinformatics and ImmunoChemistry and created models of neural networks, which can do what has thus far been impossible: Simulate how the immune system defends itself from disease. The neural network models also indicate that the immune system protects itself from being deceived by microorganisms, by using ingenious PIN code-like mechanisms ... With the new neural... (Science Daily)
The Economic Power -- And Pitfalls -- Of Positive Thinking Oct 31, 2007
25, 2007) A neural network that may generate the human tendency to be optimistic has been identified. As humans, we expect to live longer and be more successful than average, and we underestimate our. (Science Daily)
How The Brain Generates The Human Tendency For Optimism Oct 26, 2007
25, 2007) A neural network that may generate the human tendency to be optimistic has been identified by researchers at New York University. As humans, we expect to live longer and be more successful than average, and we underestimate our likelihood of getting a divorce or having cancer. (Science Daily)
Intelligence: More Nature Than Nurture? Oct 18, 2007
In our study involving 54 monozygotic and 58 dizygotic twin pairs and their 34 singleton siblings, verbal, and performal intelligence were found to share a common genetic origin with an anatomical neural network involving the frontal, occipital, and parahippocampal gray matter and connecting white matter of the superior occipitofrontal fascicle, and the corpus callosum [Hulshoff Pol et al., 2006 ... These findings point to a neural network that shares a common genetic origin with human... (Science Daily)
'Mind reading' technology aims to help control computers Oct 6, 2007
A perceptron neural network with 16 inputs, one hidden layer, and up to five outputs was employed to associate the sensed blood oxygenation levels with the stress levels of specific users ... By starting with just two colors and working up from there, the researchers were able to teach the neural network to recognize stress levels. (EETimes)
Musical Chairs Oct 3, 2007
The topics of Scott's latest research include: Scale Up of Biopulping, Biochemical Pulping, Neural Network Applications, Paper Recycling and Stock Flow Modeling, according to his Web site. Scott had worked for the USDA Forest Products laboratory in Madison, Wis. (Daily Orange, NY)
Intelligent playgrounds Sep 27, 2007
When they brought a new set of children to the playground, the neural network they had programmed had learnt to recognize different children's abilities ... Every thirty seconds, the neural network re-categorized the child and changed its response if necessary ... Lund found the neural network was able to characterize children correctly 97 percent of the time. (CNN -- International)
The first word in CEP for SOA is 'complex' Sep 22, 2007
Meanwhile, Software AG, which will have announcements on the merger of its Infravio and CentraSite governance products at the end of this month, is working in its labs on a neural network approach that focuses more on correlation of events ... rpick, president and chief product officer for the webMethods Business Line at Software AG, is looking at yet another way to handle event processing through neural networks that would identify event correlations to provide business intelligence ... So... (Search Webservices)
An evolving method for learning HMM Structure: prediction of protein secondary structure Sep 22, 2007
In contrast to neural network based predictors, the evolved HMM also calculates the probabilities associated with the predictions. We carefully examined the performance of the HMM based predictor, both under the multiple- and single-sequence condition. (BioMed Central)
Analog chip could be Rx for spinal cord injury Sep 18, 2007
Not only were signals from the used to stimulate the muscles, but the movement of the limbs was detected and fed back into the artificial neural network. The resulting movement might not have been completely natural, but it proved the concept. (EETimes)
What The Schizophrenia Risk Gene Does For A Healthy Brain Sep 12, 2007
While it may not be obvious why high-speed integration would be detrimental, Song notes that because of the complexity of the brain, timing is critical to ensure that new nerves are prepared to plug into the neural network. Ming, Song and their collaborators at the National Institutes of Health and UC Davis tracked the abnormal movements of the hyperactive nerve cells by injecting a specially designed virus into a part of a mouse brain known as the hippocampus -a region important for learning... (Science Daily)
Normal role for schizophrenia risk gene identified Sep 8, 2007
DISC1 makes protein that helps new neurons integrate into our neural network ... While it may not be obvious why high-speed integration would be detrimental, Song notes that because of the complexity of the brain, timing is critical to ensure that new nerves are prepared to plug into the neural network. (EurekAlert!)
Artificial gradingCould a computer one day mark exam papers? Aug 25, 2007
Next, the computer must grade the child's answer using its artificial neural network. "The artificial neural network learns from the human scored answers to identify the important features of the text," says Professor Srihari. (BBC News -- Technology)
A walking robot goes mountaineering Jul 14, 2007
Only when the gait needs to be adapted, higher centers of organization step in a process triggered by the human brain or, in case of the robot, by its infrared eye leading on to a simpler neural network. Because of the hierarchical organization adjustment of the gait can be achieved by changing only a few parameters. (Hindu)
Jonathan Freedland: The lessons of elections past Jul 11, 2007
It means that when politicians speak, they trigger a neural network of associations, positive or negative, and these associations owe more to emotion than reason ... From guns, gays and abortion to Iraq and Guant;namo, Westen shows how the left can tap into all those positive neural networks - using religious language, for instance - and win American majorities to their cause. (Guardian Unlimited)
Artificial neural network models for prediction of intestinal permeability of oligopeptides Jul 11, 2007
To develop models for predicting the intestinal permeability of peptides, we adopted an artificial neural network as a machine-learning algorithm ... We developed artificial neural network models to predict the intestinal permeabilities of oligopeptides on the basis of peptide sequence information ... Both binary and VHSE (principal components score Vectors of Hydrophobic, Steric and Electronic properties) descriptors produced statistically significant training models; the models with simple... (BioMed Central)
Teradata Data Warehouse Embeds BI Jun 22, 2007
One example is neural network algorithms provided by StatSoft. Neural networks are a sophisticated statistical tool capable of identifying and evaluating the interrelationship of a large number of variables at one time ... 1, which is available now, offers some efficiency improvements for the less common data mining techniques such as neural networks but is "less significant than Teradata's Analytics Data Set Generator and PMML link for the majority of their data mining/data warehousing... (eWeek)
A Step Toward a Living, Learning Memory Chip Jun 13, 2007
This time, Ben-Jacob and graduate student Itay Baruchi, who led the study, targeted inhibitory neurons to try to bring some order to their neural network. They mounted the cell culture on a polymer panel studded with electrodes, which enabled Ben-Jacob and Baruchi to monitor the patterns created by firing neurons. (Scientific American)
A close-up on pancreatic disease: How do we improve the odds? May 23, 2007
Several of these specific measures had high discriminatory power in defining changes seen on the EUS. Overall, the neural network based model was very accurate in classifying pancreatic cancer, with an area under ROC curve of 0. 93. (EurekAlert!)
Fair Isaac's Industry-Leading Fraud Detection Technology Tackles 'Faster Payments' Fraud in the UK May 18, 2007
Fair Isaac s Falcon Fraud Manager uses a combination of sophisticated neural network models, patented account profiling technologies, case management and flexible, user-definable intelligent rules to analyze payment card transactions for the most subtle signs of fraud. Used to fight payment card fraud for more than 15 years, Falcon Fraud Manager currently monitors more than 450 million active debit and credit cards across six continents and saves leading banks millions of dollars every day. (BusinessWire)
What is a neural network and how does its operation differ from that of a digital computer? (In other words May 16, 2007
Scientific American Mind: What is a neural network and how does its operation differ from that of a digital computer ... What is a neural network and how does its operation differ from that of a digital computer ... Artificial neural networks are parallel computational models, comprising densely interconnected adaptive processing units. (Scientific American)
Study shows hope for early diagnosis of Alzheimer's Apr 14, 2007
The researchers employed signal processing and automated neural network analysis of event related potentials (ERPs) of the EEG signals, monitoring how the patients brains reacted to a series of auditory stimuli. Clarks team conducted neuropsychological tests, including memory tests, of research subjects and evaluated their scores to decide whether they were suited for the study. (EurekAlert!)
Down Syndromes, Fragile X, Linked To Faulty Brain Communication Apr 12, 2007
Although normal cells in the mosaic brain can reroute around these potential dead ends, the resulting neural network has fewer cells and is less complex. "If, for example, 10 percent of normal nerve cells are now responsible for half your neural network, the information-carrying capacity of your brain goes down," he said. (Science Daily)
Computers generate music from memory Apr 9, 2007
Thaler, chief executive of St. Louis-based Imagination Engines Inc., configures his computers as neural networks, a setup that enables machines to learn as they perform tasks, getting better as they repeat each task ... A. Basically one neural network, called the imagitron, is bathed in simulated heat ... A. We found that when you start to destroy a neural network, it reacts much as do humans who have a near-death experience. (Chicago Tribune)
Theory of every-living-thing Mar 12, 2007
I imagine the lowly amoeba that has no neural network but still interacts and responds to it's world. Senses food and surrounds it to eat, reacts to light, heat etc. (MSNBC)
Emotional robots will learn from interaction with humans Feb 24, 2007
"One of the things we are going to use to detect expressions in faces and patterns in motion is a (artificial) neural network.". Artificial neural networks are being used because they are very useful for adapting to changing inputs - in this case detecting patterns in behaviour, voice, movement etc ... "Neural networks learn patterns from examples of observation," said Dr Canamero. (BBC News -- Science)
Keeping data safe Feb 23, 2007
HNC was founded by Todd Gutschow and Robert Hecht-Nielsen, a professor at the University of California San Diego who specializes in neural network research, which aims to get computers to mimic the way the human brain works. Falcon recognizes patterns of behavior for each credit card user. (San Diego Union-Tribune -- Business)
Is This the End of Copy Protection? Feb 14, 2007
We can only conclude that the RIAA didn't respond to Jobs' third alternative, "abolish DRMs entirely," either because it was so excited at the thought of Apple extending FairPlay's reach that it didn't finish the essay or because the words "abolish DRM" simply scramble its neural network. Audiophiles probably shouldn't start popping the champagne corks just yet, however, since nobody seems to be proposing to offer open-access high-resolution digital files, just unencumbered MP3s and undoubtedly... (Stereophile Magazine)
Time Magazine: Mind & Body Issue Feb 7, 2007
We've all heard that "practice makes perfect." Brain imaging confirms this by displaying the neural networks that form when we practice that golf stroke or sales presentation ... Thinking of the goal is nearly the same as experiencing it, reinforcing and expanding the brain's neural network around the desired goal. (Suite101.com)
Tom Siegfried: For safer cars and smarter robots, try insect mentality and slimy amoeba Feb 3, 2007
"The insect inspired neural network described in this study does provide an effective mechanism for detecting collisions," wrote Richard Stafford and collaborators Roger Santer and. No doubt it will be a long time before robots using insect-based brains will be allowed to drive cars. (Why Files)
UMR researcher authors textbook on neural network control Feb 3, 2007
A textbook authored by a University of Missouri-Rolla professor will soon help students at universities across the country discover the importance of nonlinear control using neural networks. Dr. Jagannathan Sarangapani, professor of electrical and computer engineering at UMR, is the author of Neural Network Control of Nonlinear Discrete-Time Systems, recently published by Taylor and Francis (or CRC Press) ... Loosely based on the inner workings of the human brain, a neural network is used in... (Rolla Daily News, MO)
New design thinking needed for biotech Jan 9, 2007
Jurvetson pointed out that an evolved system, like a neural network gets really complex really fast and can be very difficult to understand. "You can't understand psychology but studying a neuron," he said. (EETimes)
Imaging pinpoints brain regions that 'see the future' Jan 2, 2007
First, the study clearly demonstrates that the neural network underlying future thought is not isolated in the brain's frontal cortex, as some have speculated ... Second, within this neural network, patterns of activity suggest that the visual and spatial context for our imagined future often is pieced together using our past experiences, including memories of specific body movements and visual perspective changes data stored as we navigated through similar settings in the past ... g. family,... (EurekAlert!)
JAIDEEP MISHRA Jan 1, 2007
Now, a new tool is available for more nuanced forecasting: neural network technology. It s an advanced computerised system of information processing with built-in flexibility to interpret the numbers. (India Times)
