But what individual neurons are doing in the areas that light up on an fMR image is an open question, because researchers can't stick electrodes into
the brains of healthy people.
To explain how brains make these on - the - fly decisions, Reza Shadmehr of Johns Hopkins University and John Krakauer of Columbia University two years ago reviewed studies in which
the brains of healthy people and of brain - damaged patients who have trouble controlling their movements were scanned.
A new study used MRI to show how ADHD drugs affect
the brains of healthy people.
Then Seung could see if the patterns of connections are different in
the brains of healthy people and those with autism, schizophrenia, and other disorders.
The researchers found that FDDNP levels were higher in the brains of the former NFL players, compared with
the brains of healthy people, suggesting that tau was in fact building up in their brains.
Another limitation of this study is that the method the scientists used to detect the amyloid beta has not been thoroughly tested for detecting the types of amyloid beta present in
the brains of healthy people.
It sometimes shows up in
the brains of healthy people.
Not exact matches
Implementing these
healthy, stress - relieving techniques for dealing with difficult
people will train your
brain to handle stress more effectively and decrease the likelihood
of ill effects.
What's your take on the prospect
of using
brain implants to increase the cognitive performance
of perfectly
healthy people: exciting or creepy?
Although neurodevelopment continues throughout the life
of a
healthy person, by age 2 years the
brain has undergone tremendous restructuring.
The results showed the former players experienced a reduction in fine motor control and abnormal changes in
brain function when compared with
healthy people of the same age who had never played contact sport.
The researchers detected this SMN long noncoding RNA, or lnc - RNA (pronounced «link RNA») for short, in human embryonic kidney cells,
brain cell samples and neurons derived from the stem cells
of healthy people and those with spinal muscular atrophy type I and II.
Compared with mice with cells from
healthy people as well as non-chimera mice, those whose
brains had human schizophrenia cells were more afraid to explore a maze, more anxious, more antisocial, less able to feel pleasure (from sipping sugar water), worse at remembering, and more sleepless — all
of which characterize
people with schizophrenia, too.
Compared with postmortem
brain tissue taken from
healthy people and those with Alzheimer's, tissue from
people who had CTE had higher levels
of an inflammation protein called CCL11, Mez and other researchers reported in September in PLOS ONE.
The research team wanted to see if elderly long - term yoga practitioners had any differences in terms
of brain structure compared with
healthy elderly
people who had never practiced yoga.
The super-agers also had developed increased thickness in an area
of the
brain associated with decision - making, impulse control and emotions and other functions that was not found in the
brains of their peers or
of healthy younger
people.
Healthy people in their 70s have just as many young nerve cells, or neurons, in a memory - related part
of the
brain as do teenagers and young adults, researchers report in the April 5 Cell Stem Cell.
When Thompson's team looked at
brain scans
of 206
healthy people aged 70 to 80, they found that those with at least one copy
of the FTO variant had 8 per cent less volume in their frontal lobes and 12 per cent less in the occipital lobes, compared with their counterparts lacking the variant.
Yvette Sheline and her colleagues at Washington University scanned the
brains of 18
people with major depression and compared them with the
brains of 17
healthy individuals.
People at risk for Alzheimer's disease who do more moderate - intensity physical activity, but not light - intensity physical activity, are more likely to have
healthy patterns
of glucose metabolism in their
brain, according to a new UW - Madison study.
Out -
of - body experiences normally occur when
brain function is disturbed, such as after an epileptic seizure, but it is possible to reproduce the experience in
healthy people
By examining the
brains of these mice, the researchers observed a substantial decrease in inhibitory CA2 neurons, as compared to a control group
of normal,
healthy mice — a change remarkably similar to that previously observed in postmortem examinations
of people with schizophrenia.
In another study, the
brain of a patient who appeared to be in a vegetative state responded just like a
healthy person's when asked to imagine playing a game
of tennis.
The researchers tested samples
of brain cells from
people with MS and
healthy control subjects and found evidence
of the virus in the olfactory bulb in both groups.
In work showing the potential to use a
brain - computer interface and virtual avatar to treat
people with gait disabilities, researchers collected data from eight
healthy subjects, all
of whom participated in three trials involving walking on a treadmill while watching an avatar.
Interphone compared surveyed cell phone use in 6,420
people with
brain tumors to that
of 7,658
healthy people in 13 developed countries — Australia, Canada, Denmark, Finland, France, Germany, Israel, Italy, Japan, New Zealand, Norway, Sweden and the U.K. — to try to determine whether
people with
brain tumors had used their cell phones more than
healthy people, an association that might suggest that cell phones caused the tumors.
Using
brain scans, psychiatrist Daniel Eisenberg and his colleagues measured dopamine levels in the
brains of 86
healthy people at different times
of the year.
The team also scanned the
brains of healthy volunteers, and
people with Alzheimer's disease.
To test their theory, the researchers examined Del - 1 expression in
brain tissue from
people who had died from MS.. In MS patients with chronic active MS lesions, Del - 1 was reduced compared to both
healthy brain tissue and
brain tissue from MS patients who were in remission at the time
of their death.
They used functional magnetic resonance imaging (fMRI) to measure the
brain activity
of 20
healthy people after taking 100 micrograms
of LSD.
«What many developmental diseases have in common seems to be the failure
of brain cells to mature at the same rate as they do in
healthy people,» says Dr Falk.
His team's first
brain organoids were created from the cells
of healthy people.
In a new study published in the journal Neuropsychopharmacology, neuroscientists from the University
of Chicago show that white matter in a region
of the
brain called the superior longitudinal fasciculus (SLF) has less integrity and density in
people with IED than in
healthy individuals and those with other psychiatric disorders.
Connectivity is a critical issue because the
brains of people with psychiatric disorders usually show very few physical differences from
healthy individuals.
Brain scans In the study, researchers scanned the
brains of 39 depressed patients and 37
healthy people using functional magnetic resonance imaging (fRMI).
In Maleki's most recent work, presented in June at the International Headache Congress, her team imaged the
brains of migraineurs and
healthy people between the ages
of 20 and 65, and it made a discovery that she characterizes as «very, very weird.»
It has been observed that blood flow in the
brains of people with the disorder is impaired when compared to
healthy brains.
In September a
healthy Nashville man died
of a highly unusual fungal infection that invaded his
brain — the first case in a meningitis outbreak that has claimed at least 30 lives and sickened more than 400
people in 19 states.
Research team member David Powell, PhD, compared the
brain scans
of three groups
of volunteers:
persons with Down syndrome but no dementia,
persons with Down syndrome and dementia, and a
healthy control group.
Even in the
brain tissue
of the
healthy person, a small area is detected with protein activity.
The findings are expected to advance our understanding
of the
brain's role in endurance exercise, how it can alter the physical limits
of performance in
healthy people and add further evidence to the debate on the use
of legal methods to enhance performance in competition.
Ours is the first study describing how
brain genes affect food intake and dietary preferences in a group
of healthy people.»
The Raman images now show protein activity at neural cell level, but the sensitivity is high enough for detecting areas that are even smaller — as is the case with the
brain sample
of the
healthy person.
In
healthy people,
brain cells link together at a single frequency
of electrical activity, like tuning in to a radio station, says Robert McCarley
of the VA Boston Healthcare System and Harvard University.
Just three to five minutes spent looking at views dominated by trees, flowers or water can begin to reduce anger, anxiety and pain and to induce relaxation, according to various studies
of healthy people that measured physiological changes in blood pressure, muscle tension, or heart and
brain electrical activity.
«Not only are there applications for
healthy people to better realize their potential, but EEG - neurofeedback work has been extended to pathology, as in the case
of children with attentional disabilities and [transcranial magnetic stimulation] for depression,» notes psychologist John Gruzelier
of Goldsmiths College in London, who has been working on training musicians to control their own
brain waves, thereby improving performance.
«Implanting electrodes into
healthy people is not something we're going to do anytime soon,» says Alan Rudolf, the former head
of the DARPA
brain - machine research program.
But Fried is doubtful that
healthy people will have chips installed in their
brains to enhance their cognitive abilities anytime soon: «I think the notion
of invading the
brain will be too much for the foreseeable future.»
The
brains of overweight middle - aged
people resemble
brains that are a decade older in
healthier people.
Comparing levels
of S1PR2 in
people with MS, mice with a similar disease, and
healthy humans and mice, the team found the groups with MS or the MS - like disease had higher levels
of the protein, meaning the blood -
brain barrier was more permeable.