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Brain responses found to originate from previously unknown source: Discovery will inform further research into hearing disorders, brain training.»
Not exact matches
Recent research from the Department of Biological and Clinical Psychology at Friedrich Schiller University in Germany
found that exposure to stimuli that cause strong negative emotions - the same kind of exposure you get when dealing with toxic people - caused subjects»
brains to have a massive stress
response.
Recent research from the Department of Biological and Clinical Psychology at Friedrich Schiller University in Germany
found that exposure to stimuli that cause strong negative emotions — the same kind of exposure you get when dealing with difficult people — caused subjects»
brains to have a massive stress
response.
But research published in Social, Cognitive and Affective Neuroscience
found that «when people viewed pictures of others being loved or cared for, their
brains» threat
response became muted,» writes Inc.com's Jill Krasny.
But during «standstill», Pam's
brain was
found «dead» by all three clinical tests — her electroencephalogram was silent, her
brain - stem
response was absent, and no blood flowed through her
brain.
More praise for the yummy stuff resulted from
brain researcher Todd Parrish of Northwestern University in 2009, when he examined functional magnetic resonance images of gum chewers and
found increased activity in areas of the
brain associated with memory and emotional
responses.
The researchers
found that the areas of the
brain that lit up in
response to the grossest pictures — like mutilated bodies and burn victims — depended on whether the participant was more liberal or more conservative, based on a survey of political beliefs.
«Though no such treatment yet exists, this
finding will lead to experiments to better understand the specific mechanisms of the inflammatory
response in the neurodegenerating
brain, which may in turn lead to new treatments.»
Neurons that fire in
response to horizontal and vertical movements had already been
found in the retinas of mammals, but the only cells known to be sensitive to approaching objects were in the
brain.
A new study
finds stress -
response differences in the
brains of foxes bred to be more or less aggressive toward humans.
While measuring
brain activity with magnetic resonance imaging during blood pressure trials, UCLA researchers
found that men and women had opposite
responses in the right front of the insular cortex, a part of the
brain integral to the experience of emotions, blood pressure control and self - awareness.
«We
found that the participants»
brains became intimately coupled during the course of the «conversation», with the
responses in the listener's
brain mirroring those in the speaker's,» says Uri Hasson of Princeton University.
Interestingly, the researchers
found that the
brain began to prepare the motor areas to respond very early, during initial stimulus presentation, suggesting that we get ready to respond even before we know what the
response will be.
A research team based at Princeton University
found that physical activity reorganizes the
brain so that its
response to stress is reduced and anxiety is less likely to interfere with normal
brain function.
Maureen Boyle, chief of the Science Policy Branch of the National Institute on Drug Abuse, and Edward Bilsky, a professor of pharmacology and the
founding director of the Center for Excellence in Neurosciences at the University of New England, showed how opioids can commandeer the
brain's natural systems that control pain and reward, and trigger a vicious
response cycle that can diminish the pain - relieving power of medications, prompt users to reach for increasingly larger quantities of opioids and lead to deadly overdoses.
They
found that the depressed women had less activity in the dorsomedial prefrontal cortex — an area of the
brain thought to pick up on emotional cues and mediate emotional
responses — than the non-depressed women (The American Journal of Psychiatry, DOI: 10.1176 / appi.ajp.2010.09081235).
Previous
findings from Hariri's group show that people whose
brains exhibit a high
response to threat and a low
response to reward are more at risk of developing symptoms of anxiety and depression over time.
Not all of the research was animal focused: one winner
found that 6 per cent of its French subjects hated cheese, making it an excellent candidate for studying the
brain's disgust
response.
Findings about the
brain circuits that control the behavioral and physiological
responses are assumed to explain how humans experience fear.
They used a somewhat bizarre technique in which two mice were sutured together in such as way that they shared a circulatory system (known as parabiosis), and
found old mice joined to their youthful counterparts showed changes in gene activity in a
brain region called the hippocampus as well as increased neural connections and enhanced «synaptic plasticity» — a mechanism believed to underlie learning and memory in which the strength of neural connections change in
response to experience.
Christianson said the
findings set the stage for a large - scale investigation of the
brain circuits that work together to orchestrate
responses to social emotional information with the hope that such research will lead to better treatment for people with conditions marked by aberrant social cognition, such as autism or schizophrenia.
A study conducted at the Department of Psychology at the University of Jyväskylä, Finland and Jyväskylä Centre for Interdisciplinary
Brain Research (CIBR) has found that the brain responses of infants with an inherited risk for dyslexia, a specific reading disability, predict their future reading speed in secondary sc
Brain Research (CIBR) has
found that the
brain responses of infants with an inherited risk for dyslexia, a specific reading disability, predict their future reading speed in secondary sc
brain responses of infants with an inherited risk for dyslexia, a specific reading disability, predict their future reading speed in secondary school.
The scientists also
found that the cellular
responses persisted long after each of the photographs disappeared, further suggesting that the amygdala cooperates with other
brain regions to create awareness of the emotional content of faces.
The study, published in the Journal of Neuroscience,
found that when microglia, the
brain's resident immune cells, were blocked, female
response to opioid pain medication improved and matched the levels of pain relief normally seen in males.
Froemke says his team's latest
findings reveal that while mammals recognize sounds in the auditory cortex of their
brains, the signaling levels of nerve cells in this
brain region are simultaneously being strengthened or weakened in
response to surrounding context.
In line with prior research, the NIH team had
found that fearful or angry faces triggered a strong
response from the amygdala, a region of the
brain that helps us recognize threats.
Mamelak and Rutishauser
found that if a neuron's
response to an image synchronizes with a type of
brain wave called a theta rhythm, the person is much more likely to remember what was shown.
This time, they
found that young men and young women responded differently, with males showing a greater increase in electrical activity in the
brain in
response to a TMS pulse.
In a new study published in Restorative Neurology and Neuroscience, researchers
found that inosine, a naturally occurring purine nucleoside that is released by cells in
response to metabolic stress, can help to restore motor control after
brain injury.
Perusing the literature, he
found earlier experiments that demonstrated a crucial part of the amygdala known as the central nucleus contained links to the key
brain stem areas that control the autonomic functions involved in the fear
response, like acceleration of breathing and heart rate.
The MSU study, which appears online in the journal Biological Psychology, offers what could be the first physiological evidence to support those
findings, in the form of a positive
brain response.
Reiss also
found that women showed a stronger
response in the nucleus accumbens, the
brain's reward center, suggesting that they ultimately derived bigger pleasure hits from punch lines.
Miller says the
response in this study, published in the Journal of Clinical Lipidology, may confirm other research
findings about polyunsaturated fats: «Recent data suggest that PUFA (but not MUFA) activates signaling in the
brain to reduce appetite, so this may be one reason for the bigger weight drop between the groups.»
These are
found in genes that are central to memory and learning, many of them part of the CREB (cyclic - AMP
response elements binding protein) system in the
brain.
By pinpointing increases in blood oxygenation in the
brain in
response to different events — a sign that specific groups of neurons are active — fMRI is responsible for some of the hottest
findings about the
brain.
Researchers at Penn Medicine's Center for Studies of Addiction have now
found that the drug baclofen, commonly used to prevent spasms in patients with spinal cord injuries and neurological disorders, can help block the impact of the
brain's
response to «unconscious» drug triggers well before conscious craving occurs.
«These
findings suggest that the
brain response to drug cues presented outside of awareness can be pharmacologically inhibited, providing a mechanism for baclofen's potential therapeutic benefit in addiction,» says Young.
The researchers
found that both men's motor cortexes — the region of the
brain responsible for carrying out muscle movement — had reorganized themselves in
response to the new hands.
One nuance in the
findings was that the
brain area that appeared to predict
response to SSRIs — the right ventrolateral prefrontal cortex — was not the exact area that appeared to be affected by SSRI treatment.
«We have
found that nicotine weakens the sleep - inducing effects of alcohol by stimulating a
response in an area of the
brain known as the basal forebrain.
This
finding told the researchers of nSMase2's involvement but still didn't tell them about the signal sent from the
brain to activate the body's immune
response.
What's more, a follow - up study
found that more typical
brain responses correlated «with near perfect accuracy» with higher scores on a range of cognitive tests at age 4, and even higher scores at age 6, Kuhl says.
Dr Lawrence, of Psychology, said: «Our
findings show for the first time that gamblers have an exaggerated theta
response to almost winning in
brain regions related to reward processing, which could contribute to them continuing to gamble despite their losses.
In tests using human neural progenitor cells (NPCs)-- self - renewing, multipotent cells that generate neurons and other
brain cell types — the scientists
found that exposure to sofosbuvir not only rescued dying NPCs infected with the Zika virus, but restored gene expression linked to their antiviral
response.
An international group led by Vanderbilt University researchers has
found cannabinoid receptors, through which marijuana exerts its effects, in a key emotional hub in the
brain involved in regulating anxiety and the flight - or - fight
response.
By examining the hippocampus — a portion of the
brain associated with the process of learning — after the rats learned to associate a sound with a motor
response, scientists
found that the new
brain cells injected with dye a few weeks earlier were still alive in those that had learned the task while the cells in those who had failed did not survive.
In addition, the researchers
found that
brain cells in the protected, caudal portion of the
brain have a less toxic
response to Aβ than their rostral counterparts.
They
found that microglia, the first and primary immune
response cells in the
brain and spinal cord, are essential for dealing with TDP -43-associated neuron death.
In fact, no associations were
found between early
brain responses and long - term outcomes, which could relate to the small size of the study or the fact that several patients were sedated during the fMRI and EEG tests.
Various biological factors at baseline appear to predict
response to rTMS, including levels of certain molecular factors, blood flow in
brain regions implicated in depression, electrophysiological
findings, and specific genetic polymorphisms.