Brain

Lift weights, improve your memory

Here's another reason why it's a good idea to hit the gym: it can improve memory. A new Georgia Institute of Technology study shows that an intense workout of as little as 20 minutes can enhance episodic memory, also known as long-term memory for previous events, by about 10 percent in healthy young adults.

Robot researcher combines nature to nurture 'superhuman' navigation

Computer modelling of the human eye, the brain of a rat and a robot could revolutionise advances in neuroscience and new technology, says a QUT leading robotics researcher.

Dr Michael Milford from QUT's Science and Engineering Faculty says the new study uses new computer algorithms to enable robots to navigate intelligently, unrestricted by high-density buildings or tunnels.

"This is a very Frankenstein type of project," Dr Milford said.

Omega-3 fatty acids may prevent some forms of depression

Philadelphia, PA, October 1, 2014 – Patients with increased inflammation, including those receiving cytokines for medical treatment, have a greatly increased risk of depression. For example, a 6-month treatment course of interferon-alpha therapy for chronic hepatitis C virus infection causes depression in approximately 30% of patients.

Keeping your eyes on the prize can help with exercise, NYU study finds

New research suggests the adage that encourages people to keep their "eyes on the prize" may be on target when it comes to exercise. When walking, staying focused on a specific target ahead can make the distance to it appear shorter and help people walk there faster, psychology researchers have found. Their study, which compares this technique to walking while looking around the environment naturally, offers a new strategy to improve the quality of exercise.

Predicting the future course of psychotic illness

Psychiatry researchers from the University of Adelaide have developed a model that could help to predict a patient's likelihood of a good outcome from treatment - from their very first psychotic episode.

The model is based on a range of factors, including clinical symptoms, cognitive abilities, MRI scans of the brain's structure, and biomarkers in the patient's blood.

At dusk and dawn: Scientists pinpoint biological clock's synchronicity

Scientists have uncovered how pacemaker neurons are synchronized at dusk and dawn in order to maintain the proper functioning of their biological clocks. Their findings, which appear in the journal PLOS Biology, enhance our understanding of how sleep-wake cycles are regulated and offer promise for addressing related afflictions.

Improving babies' language skills before they're even old enough to speak

In the first months of life, when babies begin to distinguish sounds that make up language from all the other sounds in the world, they can be trained to more effectively recognize which sounds "might" be language, accelerating the development of the brain maps which are critical to language acquisition and processing, according to new Rutgers research.

New diagnostic approach for autism in Tanzania

PROVIDENCE, R.I. [Brown University] — Autism is no stranger to the children of Tanzania. What is rare in the East African nation is access to clinical services, including reliable diagnosis and evidence-based treatments. There is no autism diagnostic measure, for example, validated for use in Swahili, a major language of the region. In a small new study, however, researchers at Brown University and the University of Georgia (UGA) describe a culturally compatible diagnostic approach that they implemented at two sites in the country and found to be effective for making diagnoses.

Researchers show EEG's potential to reveal depolarizations following TBI

CINCINNATI—The potential for doctors to measure damaging "brain tsunamis" in injured patients without opening the skull has moved a step closer to reality, thanks to pioneering research at the University of Cincinnati (UC) Neuroscience Institute.

Study shows how chimpanzees share skills

Evidence of new behaviour being adopted and transmitted socially from one individual to another within a wild chimpanzee community is publishing on September 30 in the open access journal PLOS Biology. This is the first instance of social learning recorded in the wild.

Boys and girls who've had a traumatic brain injury differ in rates of harmful behavior

TORONTO, Sept. 30, 2014 – Teenagers who said they had a traumatic brain injury in their lifetime, especially girls, also reported significantly higher rates of harmful behavior, according to new research.

The study looked at 13 harmful health behaviours –such as contemplating suicide, smoking marijuana or binge drinking– among 9,288 Ontario students between Grades 7 and 12.

Depression increasing across the country

SAN DIEGO, Calif. (Sept. 30, 2014)— A study by San Diego State University psychology professor Jean M. Twenge shows Americans are more depressed now than they have been in decades.

Analyzing data from 6.9 million adolescents and adults from all over the country, Twenge found that Americans now report more psychosomatic symptoms of depression, such as trouble sleeping and trouble concentrating, than their counterparts in the 1980s.

Selectively rewiring the brain's circuitry to treat depression

Philadelphia, PA, September 30, 2014 – On Star Trek, it is easy to take for granted the incredible ability of futuristic doctors to wave small devices over the heads of both humans and aliens, diagnose their problems through evaluating changes in brain activity or chemistry, and then treat behavior problems by selectively stimulating relevant brain circuits.

Low-birth-weight children are particularly vulnerable to environmental influences

Low birth weight children are more vulnerable to environmental influences than infants born with normal weight. When brought up with a great deal of sensitivity, they will be able to catch up in school, but on average they will not become better students than normal birth weight children. This result, provided by an international psychologist team, has confirmed the so-called diathesis-stress model of development for low birth weight populations. The researchers report their findings in the Journal of Child Psychology and Psychiatry.

How career dreams are born

COLUMBUS, Ohio – A new study shows just what it takes to convince a person that she is qualified to achieve the career of her dreams.

Researchers found that it's not enough to tell people they have the skills or the grades to make their goal a reality.

Instead, many people need a more vivid and detailed description of just how pursuing their dream career will help make them successful.