Tag: "expressions" at biology news
Reading a face is tricky business
...t Northwestern. As a result, the ratings of facial expressions
they did see were biased. In other words, somet...ous had the strongest brain response to subliminal expressions
of fear. The findings have direct implications for understanding psychiatric disorders such as...
Another sexual attraction is possible ...
The coming summer vibrates with expressions
of insect love and desire. The cicada's songs or the butterflies' bright colours are examples of how an emitting sex attracts conspecific members of the responding sex. Moth odours (pheromones), though less conspicuous for us humans, are also signals...
In new statistical approach, data decide model
...rets about inner Earth and discovering unique gene expressions
in fruit flies, zebra fish and other living organisms. "Using mathematical concepts from inverse scattering and modern statistics, we let the data 'speak,' and automatically generate an appropriate model," said Ping Ma, a professor of statistics at t...
Exercise reverses aging in human skeletal muscle
...f the study," said Melov. "We expected to see gene expressions
that stayed fairly steady in the older adults. The...e most recent study also points to particular gene expressions
that could be used as starting points for chemical screenings that could lead to drug therapies that...
Ape gestures offer clues to the evolution of human communication
..., feet and limbs more flexibly than they do facial expressions
and vocalizations, further supporting the evolutio...ow gestures are evolutionarily younger than facial expressions
and vocalizations, as shown by their presence in apes and humans but not in monkeys. "A gesture that...
News tips from the Journal of Neuroscience
...ilar mirror responses were also triggered by vocal expressions
of emotion. Study participants were asked to liste...o facial movement per se. Thus, listening to vocal expressions
of emotions appears to automatically engage preparation for orofacial gestures corresponding to the ...
Brain's fear center likely shrinks in autism's most severely socially impaired
...e slowest at distinguishing emotional from neutral expressions
and gazed at eyes least indicators of social impa... slower at identifying happy, angry, or sad facial expressions
and spent the least time looking at eyes relative to other facial regions. Autistic subjects with t...
Gene linked to aggressive 'wet' age-related macular degeneration
... gene and the encoded protein. They found that the expressions
were elevated in the eyes of patients who carry HTRA1. "The marker we have identified is very much associated with AMD, but no one has ever pinpointed the clinical features of the gene. We need to conduct further analysis in order to understand th...
A Wellcome brain gain for world leading neuroscience lab
...morbidity. Finding effective treatments for common expressions
of human brain dysfunction, such as schizophrenia or dementia, poses major intellectual and technical challenges. A lack of means to study the living human brain has historically been a major barrier to progress, but this is now less of a problem d...
Scientists reverse evolution
...hombomere 4 nerves that ultimately control facial expressions
in animals. When a mouse is born with a disabled Hoxb1 gene, it suffers facial paralysis, and is unable to blink its eyes, wiggle its whiskers or pull back its ears. Tvrdik and Capecchi say that by combining critical portions of Hoxa1 and Hoxb1, t...
BACS breathes perception into robots
...ill help to understand how humans recognize facial expressions
and can make use of them in non-verbal communication with artificially animated dialog partners as employed, for example, in information enquiry systems. A further task is to develop animated facial mirror images for the investigation of self-percept...
Do angry men get noticed?
By comparing how quickly human facial expressions
of different types are detected in a crowd of neut...ronment. It has long been hypothesized that facial expressions
that signal potential threat, such as anger, may capture attention and therefore "stand out" in a cr...
Fear circuit flares as bipolar youth misread faces
Youth with bipolar disorder misread facial expressions
as hostile and show heightened neural reactions when they focus on emotional aspects of neutral faces, researchers at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) have discovered. The study provides some of th...
NYU algorithm enhances ability to detect cancer genes
...creening for mutations in genes or changes in gene expressions
all at once--shed light on genes and mechanisms involved in the onset and spread of cancer. Specifically, chromosomal segments, when deleted in a single or both copies of genomes of a group of cancer patients, point to locations of tumor suppressor g...
Gene discovery linked to increasingly diagnosed gastrointestinal disease
...antly, they were completely distinct from the gene expressions
in patients with reflux esophagitis. Previous studies by Dr. Rothenberg and other Cincinnati Children's collaborators across multiple disciplines have shown the rate of eosinophilic esophagitis has risen so dramatically in recent years that it may b...
Pitt professor's theory of evolution gets boost from cell research
...not necessarily gradual but often sudden, dramatic expressions
of change that began on the cellular level because...etermining the mechanism that causes those delayed expressions
of change is Schwartz's major contribution to the evolution of the theory of evolution. The mechanis...
Face perception is modulated by sexual orientation
...d movements; the amygdala and insula, where facial expressions
are processed; and regions in prefrontal cortex and the reward circuitry, where the assessment of facial beauty is processed. Numerous studies have shown that the neural response to faces is modulated by cognitive factors such as familiarity, attenti...
Marine biology mystery solved: Function of 'unicorn' whale's 8-foot tooth discovered
...on among most males andsome females are all unique expressions
of teeth in mammals. The narwhal isusually 13 to 15 feet in length and weighs between 2,200 and 3,500 pounds.Its natural habitat is the Atlantic portion of the Arctic Ocean,concentrating in the Canadian High Arctic: Baffin Bay, Davis Strait, andnorth...
Study hints at role of stem cell genes in testicular, breast cancers
...tudy demonstrated that the four genes had elevated expressions
in the nine seminoma samples examined, when compared with normal testis tissue. GDF3 was elevated in 90 percent of cases, OCT4 was elevated in 56 percent of cases and NANOG and STELLAR expression were elevated in 33 percent of cases. The team also ex...
'New' science gleans knowledge from ancient lands and societies
...plores archaeological, historical and contemporary expressions
of the disease. Tuberculosis epidemics have surged...turies later. Some cycles are limited to pulmonary expressions
and in others the pathogens spread throughout the body and cause severe bone deformities. "To accou...