Sentences with phrase «brains changed over»

«We know that our brains change over time, but fully understanding how we make and recall memories as we age has been a mystery,» said Renante Rondina, a University of Toronto and Rotman graduate student in the Department of Psychology and lead author of the study.
Understanding how healthy brains change over time is important for researchers untangling the ways that conditions like depression, stress and memory loss affect older brains.
The dramatic way in which the brain changes over time has long captured the imagination of scientists.
For the study, Frank Lin, M.D., Ph.D., and his colleagues used information from the ongoing Baltimore Longitudinal Study of Aging to compare brain changes over time between adults with normal hearing and adults with impaired hearing.
The next step is to track these adolescents and see how their brains change over time, Giedd says: «It is the right approach; there is more to come.»
Determining brain changes over time is tricky.
To better understand how the brain changes over time in this disease, it will be necessary to follow individual patients, taking multiple brain scans over the course of their illness, he says.
Understanding how the brain changes over time requires a new generation of tools that can work at infinitesimal scales that were once inconceivable.

Not exact matches

It becomes important in adolescence when a flood of hormones changes the reward centers in the brain and causes lording it over others to suddenly become much more pleasurable.
Over the last decade, Davidson and his colleagues have produced scientific evidence for the theory that meditation - the ancient eastern practice of sitting, usually accompanied by focusing on certain objects - permanently changes the brain for the better.
Publication of the Purdue study sent shock - waves reverberating through the football world, with the findings cited by concussion experts calling on youth sports organizations to take more aggressive action to minimize exposure to RHI, including sub-concussive blows, by changing the way contact and collision sports are played and practiced, and reducing the amount of brain trauma a child incurs by limiting the number of hits they sustain in a sports season, over the course of a year, and during a career.
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.
This gives us more insight into how it is that what we think and what thoughts we rehearse over and over actually change our brains.
But can practicing yoga over several years significantly shape your brain and if so, could it offset some of the changes that happen in the aging brain?
Using resting - state MRI analysis on thousands of people's brains around the world, the research has found that the areas of the brain which are associated with learning and development show high levels of variability, meaning that they change their neural connections with other parts of the brain more frequently, over a matter of minutes or seconds.
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 MAVEN mission tells us that Mars lost substantial amounts of its atmosphere over time, changing the planet's habitability,» said David Brain, a MAVEN co-investigator and a professor at the Laboratory for Atmospheric and Space Physics at the University of Colorado Boulder.
«Brain development and aging: New study reveals that brain signals in specific regions change over a lifespan in ways that might be important for maintaining flexibility.&rBrain development and aging: New study reveals that brain signals in specific regions change over a lifespan in ways that might be important for maintaining flexibility.&rbrain signals in specific regions change over a lifespan in ways that might be important for maintaining flexibility.»
It is widely accepted that brain size increase is partly linked to changes in diet over the last 3 million years, and increases in meat consumption and the development of cooking have received particular attention from the scientific community.
ALTHOUGH A BRAIN INJURY from a car accident or a collision during a football game often seems to cause a sudden change to cognitive ability years later, this change does not just appear out of the blue — the damage has been building up slowly, unnoticed, over time.
Future studies are needed to track changes in free water over longer time spans and in other brain regions and to determine what causes them.
Moreover, to make sense of these activity records neuroscientists will also need to confront the fact that every brain is different, and changes over time.
Comparing how this simple neural pathway changes between baby and adult mice sheds light on how brains rewire over time, Lichtman says.
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.»
Stern and her colleagues speculate that women who show these brain changes may be practicing a sort of mind over mood control of their PMS behavioral symptoms.
«If pain persists over a prolonged period of time, the associated brain activity shows that it changes from a pure perception process to a more emotional process.
The observation could explain how a gene that specifies a particular behavior can adapt to accommodate changes in brain circuitry that happen over evolutionary time.
Three new studies suggest that the neurological changes in a brain of a suicide victim differ markedly from those in other brains and that these changes develop over the course of a lifetime.
«Examining developmental changes in the brain over a critical period of reading appears to be a unique sensitive measure of variation and may add insight to our understanding of reading development in ways that brain data from one time point, and behavioral and environmental measures, can not,» said Chelsea Myers, BS, lead author and lab manager in UCSF's Laboratory for Educational NeuroScience.
It is difficult to tell whether these brain differences are innate causes of feelings of discomfort towards gendered body parts, or whether a trans person's aversion to a body part could have caused changes like these to occur in the brain over time.
With this noninvasive method, researchers may be able to follow the progression of many brain disorders, including epilepsy and Alzheimer's disease, by measuring changes in synaptic density over time.
As microglia are very long - lived, the scientists were keen to find out whether environmental factors change these immune cells over time and what effect this can have on brain health.
By labeling and collecting samples of Lynx1 and its precursors from the brains of mice at different ages, the researchers tracked how its levels changed over time.
Learning to play an instrument brings about dramatic brain changes that not only improve musical skills but can also spill over into other cognitive abilities, including speech, language, memory, attention, IQ and even empathy.
Danielle Bassett, a physicist at the University of Pennsylvania in Philadelphia, studies the organizational principles at work in the brain, and how connections within the organ change over time and under stress.
«By combining in vivo multiphoton microscopy and in vivo electrophysiology, our lab is better able to visualize how cells move and change over time in the living brain and explain how changes in these glial cells alter the visually evoked neural network activity,» says Kozai.
She hopes to pinpoint which genes are expressed in each cell type when brain cells make long distance connections, and to make similar maps in other primates to chart what changed as brains rewired over the course of evolution.
Because the mutation takes longer to affect female mice, researchers have an opportunity to study how it changes behavior and brain function over the entire lifespan.
«Our study provides compelling preliminary evidence that brain changes resembling mild traumatic brain injury are associated with frequently heading a soccer ball over many years,» said Dr. Lipton.
Now a unique study has revealed the changes over time (longitudinal changes) in the brain of female - to - male transsexuals receiving continuous, high - dose hormone therapy as part of their sexual reassignment.
«Given that the microbiome composition and diversity change over time, it is tempting to speculate that the blood - brain barrier integrity also may fluctuate depending on the microbiome.
Laboratory studies conducted in the University's School of Medical Sciences have confirmed that changes in brain water channels over time play a critical role in traumatic brain injury.
Over the very period that the brain shrank, our DNA accumulated numerous adaptive mutations related to brain development and neurotransmitter systems — an indication that even as the organ got smaller, its inner workings changed.
Hawks notes that such changes would be consistent with the many brain - related DNA mutations seen over the past 20 millennia.
The brain does appear to be capable of changing its structure and developing new skills over the course of a lifetime.
Despite the fact that schizophrenia affects around 24 million people worldwide, treatment has not changed much in over 50 years, and largely relies on correcting the regulation of dopamine in the brain of schizophrenia sufferers.
Many schizophrenics show chronic inflammation and lose brain tissue over time, and these changes correlate with the severity of their symptoms.
It showed their evolutionary line splitting off from our own a little over 550,000 years ago, before modern humans emerged and before key changes in human brain evolution.
According to a new imaging study, cocaine abusers in their 30s and 40s show brain changes more commonly seen in people over 60.
«By mapping the network of activity in the brain and how it changes over time,» Bassett said, «we aim to quantify the reconfiguration of this network that leads to different stages of a seizure.»
a b c d e f g h i j k l m n o p q r s t u v w x y z