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As novel sights become familiar, different brain rhythms, neurons take over

As novel sights become familiar, different brain rhythms, neurons take over
2021-06-09
To focus on what's new, we disregard what's not. A new study by researchers at MIT's Picower Institute for Learning and Memory substantially advances understanding of how a mammalian brain enables this "visual recognition memory." Dismissing the things in a scene that have proven to be of no consequence is an essential function because it allows animals and people to quickly recognize the new things that need to be assessed, said Mark Bear, Picower Professor in the Department of Brain and Cognitive Sciences and senior author of the study in the Journal of Neuroscience. "Everyone's appropriate behavioral response to an unexpected stimulus is to devote attentional resources to that," Bear said. "Maybe it means danger. Maybe it means food. But if you learn that this once-novel ...

New defence against superbugs

New defence against superbugs
2021-06-09
For the first time, Australian scientists have confirmed a link between the role of regular fish oil to break down the ability of 'superbugs' to become resistant to antibiotics. The discovery, led by Flinders University and just published in international journal mBio, found that the antimicrobial powers of fish oil fatty acids could prove a simple and safe dietary supplement for people to take with antibiotics to make their fight against infection more effective. "Importantly, our studies indicate that a major antibiotic resistance mechanism in cells can be negatively impacted by the uptake of omega-3 dietary lipids," says microbiologist Dr Bart Eijkelkamp, who leads the Bacterial Host Adaptation Research Lab at ...

Poll finds risky drinking patterns in older adults during pandemic

Poll finds risky drinking patterns in older adults during pandemic
2021-06-09
As many older adults get back to normal life across the United States thanks to high rates of vaccination and lower COVID-19 activity, a new poll suggests many should watch their alcohol intake. In all, 23% of adults over 50 who drink alcohol reported that they routinely had three or more drinks in one sitting, according to END ...

Many adults with cardiovascular disease know the risks, yet still don't stop smoking

2021-06-09
DALLAS, June 9, 2021 -- Many adults with a history of cardiovascular disease (CVD) continue to smoke cigarettes and/or use other tobacco products, despite knowing it increases their risk of having another cardiovascular event, according to new research published today in the Journal of the American Heart Association, an open access journal of the American Heart Association. To understand how many adults with CVD continue to use tobacco products, investigators reviewed survey responses from the large, national Population Assessment of Tobacco and Health Study (PATH) to compare tobacco use rates over time. The participants of the current study included 2,615 adults (ages 18 or older) with a self-reported history of heart attack, heart failure, stroke or other heart disease, ...

Achieving UV nonlinearity with a wide bandgap semiconductor waveguide

2021-06-09
The field of ultrafast nonlinear photonics has now become the focus of numerous studies, as it enables a host of applications in advanced on-chip spectroscopy and information processing. The latter in particular requires a strongly intensity-dependent optical refractive index that can modulate optical pulses faster than even picosecond timescales and on sub-millimeter scales suitable for integrated photonics. Despite the tremendous progress made in this field, there is currently no platform providing such features for the ultraviolet (UV) spectral range, which is where broadband spectra generated by nonlinear modulation can be used for new on-chip ultrafast chemical and biochemical spectroscopy devices. Now, an ...

Scientists discover new exoplanet with an atmosphere ripe for study

Scientists discover new exoplanet with an atmosphere ripe for study
2021-06-09
An international group of collaborators, including scientists from NASA's Jet Propulsion Laboratory and The University of New Mexico, have discovered a new, temperate sub-Neptune sized exoplanet with a 24-day orbital period orbiting a nearby M dwarf star. The recent discovery offers exciting research opportunities thanks to the planet's substantial atmosphere, small star, and how fast the system is moving away from the Earth. The research, titled TOI-1231 b: A Temperate, Neptune-Sized Planet Transiting the Nearby M3 Dwarf NLTT 24399, will be published in a future issue of The Astronomical Journal. The exoplanet, TOI-1231 b, was detected ...

Localized the gene for blue plum skin

Localized the gene for blue plum skin
2021-06-09
The presence and accumulation of the antioxidant pigment anthocyanin dictates fruit hue in plums, and the synthesis of this compound is known to be regulated by the MYB10 genes. Now, researchers from the Centre for Research in Agricultural Genomics (CRAG) and the Institute of Agrifood Research and Technology (IRTA) have found the gene that determines Japanese plum skin colour. In a END ...

Preliminary genetic link to developmental coordination disorder, dyspraxia identified

2021-06-09
New research by scientists at Oxford Brookes University has identified specific genes which could provide vital information about the biology of developmental coordination disorder (DCD), also known as dyspraxia. Dyspraxia is a common motor coordination condition which is estimated to affect at least one child in every classroom. DCD can impact a child's handwriting and coordination skills such as tying a shoelace or catching a ball. The condition can limit school achievement, impact cognitive development, constrain career opportunities and increase children's risk of developing mental health issues. Despite the condition affecting five per cent of children, as common as dyslexia or autism, very little is known about why some children struggle ...

Nintendo® wii may help improve balance in children with cerebral palsy

2021-06-09
Therapy based on the Nintendo® Wii Balance Board can help improve balance in children with cerebral palsy, according to an analysis published in END ...

New analysis examines survival of older patients who undergo heart transplantation

2021-06-09
Advanced age is often considered a contraindication for heart transplantation, but a new study published in the END ...

A new bacteria, made in Belgium (and UCLouvain)

2021-06-09
It all started, when Patrice Cani, FNRS researcher at University of Louvain (UCLouvain), and his team repeatedly observed that a bacterium (called Subdoligranulum) is almost absent in obese and diabetic people, while it is systematically present in healthy people. So, they decided to take a closer look at this "family" of bacteria. There is as yet only one cultivated strain of this family available in the world (the only known member of a large family) and, no luck, it is not the strain that was observed to be decreased in sick people. This is not unusual: nearly 70% of bacteria in the intestine have not yet been identified (this is called the dark matter of the ...

How should counselors broach topics of race, ethnicity, and culture?

2021-06-09
It's incumbent upon counselors to initiate or respond to clients' concerns about racial, ethnic, and cultural issues, but guidelines lack specific instructions. An article published in the Journal of Counseling & Development provides counselors with strategies for broaching and discussing topics of race, ethnicity, and culture with clients. The article describes a model for broaching these issues and explains a series of steps--joining, assessment, preparation, and delivery--involved in using it. "This and other articles serve as the foundation for the next phase in our research on counselor implementation of broaching and its impact on client mental health outcomes," the authors wrote. INFORMATION: ...

How different beliefs and attitudes affect college students' career aspirations

2021-06-09
A study published in Career Development Quarterly has looked at whether beliefs and attitudes influence career aspirations of college students with different genders and sexual orientations. Among 1,129 college students at a midwestern urban university, stronger self-efficacy beliefs--or perceptions about whether a person has the ability to achieve a desired outcome--led both male and lesbian, gay, bisexual, queer, intersex, and questioning (LGBQIQ) students to seek out leadership positions within their chosen career field. Stronger feminist attitudes were associated with an increase in achievement efforts for LGBQIQ college students, but not for heterosexual students. "The results of the study not only demonstrate that beliefs and attitudes influence ...

Study examines care received by patients with knee osteoarthritis

2021-06-09
New research reveals that only a minority of U.S. Medicare beneficiaries with knee osteoarthritis in 2005-2010 used non-surgical care such as physical therapy and knee injections, and few were treated by rheumatologists, physiatrists, or pain specialists. The study, which is published in END ...

Filipino-Americans: Vitamin D binding protein in thyroid cancer health disparities

Filipino-Americans: Vitamin D binding protein in thyroid cancer health disparities
2021-06-09
Oncotarget published "Differential expression of Vitamin D binding protein in thyroid cancer health disparities" which reported that thyroid cancer incidence, recurrence, and death rates are higher among Filipino Americans than European Americans. In this study, the authors determined the correlation between differential DBP expression in tumor tissues and cancer staging in Filipino Americans versus European Americans. The majority of Filipino Americans presented with advanced tumor staging. In contrast, European Americans showed early staging and very few advanced tumors. On the contrary, in the tumor tissues derived from European Americans, moderate to strong DBP staining was detected ...

Oncotarget: Anti-hormonal treatment eligibility in granulosa cell tumors of the ovary

Oncotarget: Anti-hormonal treatment eligibility in granulosa cell tumors of the ovary
2021-06-09
Oncotarget published "[18F]FDG and [18F]FES positron emission tomography for disease monitoring and assessment of anti-hormonal treatment eligibility in granulosa cell tumors of the ovary" which reported that the authors evaluated 22 PET/CTs from recurrent Anti-hormonal granulosa cell tumors (AGCT) patients to determine tumor FDG and FES uptake by qualitative and quantitative analysis. They included all consecutive patients from two tertiary hospitals between 2003-2020. Expression of ERα and ERβ and mitoses per 2 mm2 were determined by immunohistochemistry and compared to FES and FDG uptake, respectively. Qualitative assessment showed low-to-moderate FDG uptake in most patients, and intense uptake in ...

Women's mental health has higher association with dietary factors

2021-06-09
BINGHAMTON, N.Y. -- Women's mental health likely has a higher association with dietary factors than men's, according to new research from Binghamton University, State University of New York. Lina Begdache, assistant professor of health and wellness studies at Binghamton University, had previously published research on diet and mood that suggests that a high-quality diet improves mental health. She wanted to test whether customization of diet improves mood among men and women ages 30 or older. Along with research assistant Cara M. Patrissy, Begdache dissected the different food groups that are associated with mental distress in men and women ages 30 years and older, as well as studied ...

Developing the novel joint technique for copper alloy

Developing the novel joint technique for copper alloy
2021-06-09
The oxide dispersion strengthened copper alloy (ODS-Cu) is superior in thermal conductivity, electrical conductivity, heat resistance and friction tolerance, etc. Although the ODS-Cu can be expected to have various industrial applications, its joint with other materials is extremely difficult because of its intrinsic poor weldability. The research group of Dr. Masayuki Tokitani in the National Institutes of Natural Sciences (NINS) National Institute for Fusion Science (NIFS) has developed an extremely novel joint technique that enables us to fabricate any component made of ODS-Cu. This technique highly contributes to producing the efficient heat removal component for the fusion reactor. Copper ...

'PrivacyMic': For a smart speaker that doesn't eavesdrop

2021-06-09
Microphones are perhaps the most common electronic sensor in the world, with an estimated 320 million listening for our commands in the world's smart speakers. The trouble is that they're capable of hearing everything else, too. But now, a team of University of Michigan researchers has developed a system that can inform a smart home--or listen for the signal that would turn on a smart speaker--without eavesdropping on audible sound. The key to the device, called PrivacyMic, is ultrasonic sound at frequencies above the range of human hearing. Running dishwashers, computer monitors, even finger snaps, all generate ultrasonic sounds, which have a frequency of 20 kilohertz ...

Cholesterol metabolite induces production of cancer-promoting vesicles

Cholesterol metabolite induces production of cancer-promoting vesicles
2021-06-09
CHAMPAIGN, Ill. -- Scientists working to understand the cellular processes linking high cholesterol to breast cancer recurrence and metastasis report that a byproduct of cholesterol metabolism causes some cells to send out cancer-promoting signals to other cells. These signals are packaged in membrane-bound compartments called extracellular vesicles. Reported in the journal Endocrinology, the discovery could lead to the development of new anti-cancer therapies, researchers say. "Extracellular vesicles play an important role in normal physiology, but they also have been ...

No health worries for children born to mothers given seasonal flu vaccine in pregnancy

No health worries for children born to mothers given seasonal flu vaccine in pregnancy
2021-06-09
A population-based study, published today in JAMA, has found flu vaccination during pregnancy does not lead to an increased risk of adverse early childhood health outcomes. Although pregnant people are not more susceptible to acquiring influenza infection, they are at an increased risk of severe illness and complications if they get the flu during pregnancy. For this reason, all pregnant people are advised to receive a flu shot each year, yet only 36 percent received it according to a study monitoring four flu seasons in Nova Scotia. Safety concerns are reportedly a leading reason people may not receive influenza ...

Study finds novel evidence that dreams reflect multiple memories, anticipate future events

2021-06-09
DARIEN, IL - Dreams result from a process that often combines fragments of multiple life experiences and anticipates future events, according to novel evidence from a new study. Results show that 53.5% of dreams were traced to a memory, and nearly 50% of reports with a memory source were connected to multiple past experiences. The study also found that 25.7% of dreams were related to specific impending events, and 37.4% of dreams with a future event source were additionally related to one or more specific memories of past experiences. Future-oriented dreams became proportionally more common later in the night. "Humans ...

Senolytics reduce COVID-19 symptoms in preclinical studies

2021-06-09
ROCHESTER, Minn. -- Mayo Clinic researchers and colleagues at the University of Minnesota showed that COVID-19 exacerbates the damaging impact of senescent cells in the body. In preclinical studies, the senolytic drugs discovered at Mayo significantly reduced inflammation, illness, and mortality from COVID infection in older mice. The findings appear in the journal Science. Senescent cells (damaged or non-functioning cells that persist in the body) contribute to many aspects of aging and illness, including inflammation and multiple chronic diseases. Based on the "Amplifier/Rheostat Hypothesis" of senescent ...

Drinking alcohol is linked to reduced chances of pregnancy

Drinking alcohol is linked to reduced chances of pregnancy
2021-06-09
A study of the associations between drinking alcohol and the chances of becoming pregnant suggests that women who want to conceive should avoid heavy drinking. In the second half of menstrual cycle even moderate drinking is linked to reduced chances of pregnancy. The study, published today (Wednesday) in Human Reproduction [1], one of the world's leading reproductive medicine journals, investigated alcohol intake and fecundability, which is defined as the probability of conceiving during a single menstrual cycle. It is the first study to look at this according to the difference phases of women's menstrual cycles. Researchers led by Dr Kira Taylor, associate professor of epidemiology and population ...

New report shows poor morale of UK anaesthesia trainees and that many have no training posts to go to after helping country through COVID-19 pandemic

2021-06-09
As new research on anaesthesia trainee morale is published, an impassioned plea is today being made in an open letter from the Association of Anaesthetists to the UK's four Health Secretaries: to urgently double the number of training posts for anaesthetists this summer and for subsequent years so that the UK can safely negotiate the current COVID-19 pandemic, any future pandemics, and deal with the huge backlog of surgical procedures that has built up during lockdown. The Association has sent a separate letter to go to each Health Secretary - Matt Hancock MP in the UK Department of Health, Humza Yousaf MSP in Scotland, Baroness Eluned Morgan MS in Wales, and Robin Swann MLA in ...
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