Sentences with phrase «changes in the brain which»

In the weeks after birth a mother's interaction with her child leads to structural changes in the brain which helps her respond to the needs of the infant.

Not exact matches

«The part of the brain which regulates the sleep - wake cycle — the Suprachiasmatic Nucleus — changes in puberty.
How this metamorphosis takes place; how a force existing as motion, heat, or light can become a mode of consciousness; how it is possible for aerial vibrations to generate the sensation we call sound, or for the forces liberated by chemical changes in the brain to give rise to emotion, — these are mysteries which it is impossible to fathom.
The science behind food's effect on mood comes down to chemical and physiological changes in our brain structure which can lead to altered behaviour.
When administrators, who are too trapped by love of money, either fail or refuse or have not the brain to see this sea change happening — which is a cancer within it — the games future is in mortal danger.
Noting that in most states football teams typically switch from limited contact levels during the preseason to two practices a day, at least one of which includes contact, they expressed concern that, based on their findings, «the brain may not be able to adjust quickly to this change, leaving players at increased risk for injury» at the beginning of the football season.
Perhaps most concerning, four of the Purdue studies found that damage to the brain from RHI persisted after the football season was over, as did a 2014 study by Bazarian and his URMC colleagues, [23] which found changes in brain white matter in a small group of college football players which persisted six months after the season was over.
And, unlike the 4 month sleep regression, which occurred because your baby was fundamentally changing how she slept, this sleep regression is caused by a huge leap in your baby's brain development.
If oxytocin levels are too low, stress results in elevated levels of cortisol, which can cause changes in brain structure in response to stress that can lead to symptoms such as high blood pressure.
The body's ability to produce oxytocin, prolactin, and benzodiazepines, all of which contribute to reducing anxiety and aggression and increasing social bonding, can be affected by changes in the brain.
He's probably best known for The Shallows, a 2011 Pulitzer finalist, in which he discussed how access to an infinitely broad but infinitely shallow information landscape has changed our brains.
A second study, «Arteriolosclerosis that affects multiple brain regions,» appears in a recent issue of the journal Brain, and looks at small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - Abrain regions,» appears in a recent issue of the journal Brain, and looks at small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - ABrain, and looks at small blood vessels in patients with HS - Aging and describes a specific change, called «arteriolosclerosis,» which is present in patients with HS - Aging.
«It's a period in human development in which brain circuits change and reorganize and. . .
However, he's quick to point out that that wiring isn't set in stone, thanks to neuroplasticity — our brain's ability to change and shape neural pathways over time, which leads to new memories, skills and habits.
The treatment group showed notable changes in the ability to identify and remember faces, which was corroborated by changes in brain patterns that arise when study participants saw a familiar face.
In this study, researchers from the UCLA School of Nursing used the Valsalva maneuver — during which participants breathe hard out through a very small tube to raise blood pressure — to measure brain activity as it controls the blood pressure change.
While Schwartz believes in evolution, he says that the mechanism of neuroplasticity, which changes the shape of our brains, has likely shaped human evolution, too.
Prion diseases seem to start with changes in the shape of the prion protein found in mammalian brains, which, mysteriously, prompt other identical prions to change shape too.
Changes in levels of a brain chemical called serotonin, which underlies depression in people, may have help coordinated these transformations, they report.
Specializing in research on modafinil, Minzenberg has captured the drug in action through functional MRI (fMRI) scans, which map brain activity through changes in blood flow and oxygenation as subjects engage in particular mental processes.
And drugs with similar fingerprints tended to tweak the same molecular pathways, which suggests zebrafish behaviour is a good indicator for how a drug will change chemistry in the human brain.
Arguably the most convenient and least invasive way of doing that is through functional magnetic resonance imaging, or fMRI — a technique that measures changes in blood flow and blood oxygen levels in the brain, thereby showing which parts of the brain are activated when people perform various tasks.
In drug addiction — my field — rodents will self - administer and addict themselves to the same drugs that humans self - administer and addict themselves to, which makes it possible to identify the neural circuits in the brain, and the molecular changes within those circuits caused by drug exposure, that underlie states of addictioIn drug addiction — my field — rodents will self - administer and addict themselves to the same drugs that humans self - administer and addict themselves to, which makes it possible to identify the neural circuits in the brain, and the molecular changes within those circuits caused by drug exposure, that underlie states of addictioin the brain, and the molecular changes within those circuits caused by drug exposure, that underlie states of addiction.
Although the researchers do not yet know how disruptions in TOP3B affect brain development, they say the most likely explanation is that it changes the shape of the RNA, and thereby disturbs which RNA molecules get copied into proteins.
The cognitive impairments — which affected a large subset, but far from all, of the animals — appear to be linked to protein changes in the brain, the scientists say.
Changing brain chemistry Unlike with electroconvulsive, or electroshock, therapy, where patients must be unconscious and administered muscle relaxants in order to prevent seizures, patients receiving rTMS (which involves trains of pulses during each session, hence the «repetitive» modifier) remain conscious and seated in outpatient settings.
Which is why it's mighty interesting when the size of some part of the brain changes dramatically in an adult.
The researchers used a technique called magnetoencephalography, which detects the firing of neurons as changes in the brain's magnetic field, to monitor the responses of the auditory cortex to the tones.
Obesity is associated with a constant, low - level inflammation, which Convit thinks explains the change in brain size.
Using a functional MRI (fMRI) scanner, which detects changes in blood - flow patterns, the scientists monitored what was happening inside subjects» brains.
Still, that has not stopped neuroscience from insinuating itself into classrooms worldwide in the form of teacher - training programs, computer applications and curriculum changes — not one of which is based on actual knowledge for the simple reason that we lack even «fundamental principles» of how the brain works, they write.
«We did not detect any clear change in the long - term time trends in the incidence of brain tumors from 1998 to 2003 in any subgroup,» the researchers wrote in the paper, which was published online Thursday in the Journal of the National Cancer Institute (JNCI).
The researchers also found increases in gray matter volume in regions that control leg movement and process sensory information from legs, which may reflect changes related to the brain learning how to move in microgravity.
This expansion may have involved a kind of snowball effect, in which initial mutations caused changes that were not only beneficial in themselves but also allowed subsequent mutations that enhanced the brain still further.
The changes match those seen in people with idiopathic intracranial hypertension, a rare condition in which the pressure of blood and other fluids is abnormally high in the brain.
The researchers also measured the activity of participants» brains with a tool called near - infrared spectroscopy, which measures changes in blood flow to particular areas of the brain.
«We can still see anatomical changes in the brain [in the elderly], which is very encouraging news for aging.
However, the Nottingham team — which also includes researchers from the Institute of Mental Health — believe it is more likely that tics improve as a result of the changes in brain structure and function that occur during adolescence.
Professor Aneta Stefanovska from Lancaster University, who has been studying the physics of biological oscillations for over 20 years, said: «Combining the technique to noninvasively record the fluctuation corresponding to cerebrospinal fluid and our sophisticated methods to analyse oscillations which are not clock - like but rather vary in time around their natural values, we have come to an interesting and non-invasive method that can be used to study aging and changes due to various neurodegenerative brain aging may begin earlier than expected.»
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.
Puberty begins when a part of the brain called the hypothalamus begins pumping out gonadotropin - releasing hormone (GNRH) which in turn prompts the gonads to develop and the body to change.
It has long been known that Alzheimer's produces changes in the brain, which can stimulate genes relating to conditions like stress and inflammation.
Seven patients went on to require neurosurgery, which allowed the scientists to investigate in detail changes in the brain brought on by CAR T cell treatment.
«Puberty is a phase in which the brain reward system undergoes major functional changes,» said Spanagel.
This drug, which is being called a sex pill for women or «Female Viagra» changes the hormone balance in the brain and in this way increases a woman's sexual desire, thus resulting in more enjoyable sex.
For this research brain activity is also being recorded using a technique called functional near infrared spectroscopy (fNIRS), which uses light to measure changes in blood concentration in the prefrontal cortex, it is a non-invasive and highly portable technique meaning it can be easily interchanged between car and simulator.
According to the researchers, this is the first large - scale study employing epigenome - wide association (EWAS) studies — which look at chromosomal make - up and changesin relation to the brain and Alzheimer's disease.
I'm keen to find out the precise sequence of changes to OLs and myelin during learning and whether these changes are needed more in some parts of the brain than others, which might shed light on some of the mysteries still surrounding how the brain adapts and learns throughout life.»
Scientists already employ fMRI, which uses changes in blood flow as a proxy for brain activity, to scan the brains of restrained monkeys, but Berns wanted to train dogs to willingly enter the machine and learn simple things, such as associating a hand signal with a reward of a hot dog, all the while staying still enough to collect interpretable brain scans.
«When you match physiologic changes in the brain with behavioral impairment, you can start to understand the biological mechanisms of this disorder, which may help improve diagnosis, and, in time, treatment.»
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