Sentences with phrase «increase in brain»

William H. Calvin's marvelous A Brain for All Seasons argues that such cycles of cool, crash, and burn powered the pump for the enormous increase in brain size and complexity in human beings.

A 2000 study in the Journals of Gerontology showed that rats whose diet was supplemented with vitamin E experienced a 500 to 900 percent increase in brain and nerve tissue over an eight - month period, as well as an increase in the release of dopamine in the brain, the «pleasure» chemical that controls flow of information to different parts of the brain.

In addition, the 25 percent of the participants who had mild cognitive impairment associated with Alzheimer's also experienced an increase in brain volume due to the higher amounts of exercise.

Stress leads to a positive increase in brain serotonin levels, increases in dopamine levels and increases in SDH (succinate dehydrogenase) levels.

Although such a small increase in brain volume doesn't sound impressive, it halved the risk of Alzheimer's over five years.

• Young people who start using cell phones before the age of 20 have a five-fold increase in brain cancer risk.

A Linus Pauling Institute at Oregon State University study found that nitrates are associated with an increase in brain tumors, leukemia, and nose and throat tumors.

Energy and true increase in brain activity, concentration and mood, comes from a change in lifestyle, a mindful exploration of what you consume, experience, think and feel and then coming up with an active, balanced plan to recreate and live by.

Not only was there a dramatic increase in brain size, but also in life history (shortened inter-birth intervals, delayed development), body size, shoulder morphology allowing throwing of projectiles [45], ecological flexibility [46] and social behaviour [47].

Greater running distance in the 2 - to 3 - month - old mice may partially explain these data, but the solo - housed wild - type mice used to test solo - versus group - housing (Fig. 5) ran similar distances as the young mice, yet did not show any increase in brain progranulin levels.

Using a new MRI technique, researchers found that adults with mild cognitive impairment who exercised four times a week over a six - month period experienced an increase in brain volume in specific, or local, areas of the brain, but adults who participated in aerobic exercise experienced greater gains than those who just stretched.

PET scans demonstrated an increase in the brain's use of glucose, an indication of increased brain activity, while mental - status tests showed a slowing of the patients» rate of cognitive decline was reduced by 36 to 51 percent.

William H. Calvin's marvelous A Brain for All Seasons argues that such cycles of cool, crash, and burn powered the pump for the enormous increase in brain size and complexity in human beings.

«The reason we have more neurons than any other animal alive is that cooking allowed this qualitative change — this step increase in brain size,» she says.

The anti-apoptotic effect of BES was dependent on the activation of the PI3K / Akt signaling cascade and an increase in brain - derived neurotrophic factor (BDNF) production.

The drug caused a 50-fold increase in brain tumor cell death.

Instructed to attend to only one of two competing stories — «The Blue Kangaroo» vs. «Harry the Dog,» for example — the children whose parents had received additional attention instruction showed a 50 percent increase in brain activity in response to the correct story compared to children in the other two groups, the authors report online today in the Proceedings of the National Academy of Sciences; their responses matched those seen in adults and children of higher socioeconomic status.

«One of the serious consequences of traumatic brain injury is an increase in brain moisture content and associated brain swelling, which significantly impacts patients» neurological outcomes.

Amdam's theory is that when older individuals participate in tasks typically handled by a younger generation — whether in a hive or in our own society — antioxidant levels increase in the brain and turn back the clock.

So, when the UI researchers noticed an increase in brain activity while the newborn rats were twitching during REM sleep but not when the animals were awake and moving, they conducted several follow - up experiments to determine whether sleep twitching is a unique self - generated movement that is processed as if it lacks corollary discharge.

The next big question is whether the increase in brain metabolism could lead to neurocognitive damage down the road.

This suggested that the gut - shrinking phenomenon within the primate groups was probably too subtle to explain our increase in brain size completely.

Aiello and Wheeler noted that this dramatic increase in brain size would seem to have required a dramatic increase in metabolism — the same way that adding an air - conditioning system to a house would increase the electricity bill.

That means that, theoretically, treating animals with DHED would only result in an estrogen increase in the brain, not in the heart, uterus, or breast tissue, where it can cause unwanted side effects.

And a week of tossing and turning leads to an increase in another brain protein, tau, which has been linked to brain damage in Alzheimer's and other neurological diseases.

Research from Washington University School of Medicine in St. Louis, Radboud University Medical Centre in the Netherlands, and Stanford University shows that disrupting just one night of sleep in healthy, middle - aged adults causes an increase in a brain protein associated with Alzheimer's disease.

Only an increase in brain size could make throwing — especially over long distances — accurate, he says.

Intermittent lower - dose exposures can be as toxic as a single higher - dose exposure; Miller cites monkey research showing that either 10 nontoxic weekly doses or one toxic dose of an organophosphate pesticide led to the same increase in brain wave activity as measured by electroencephalogram, or EEG.

When you're sexually aroused or excited, oxytocin levels increase in the brain and help you bring about an orgasm.

According to science, letting chocolate dissolve slowly in your mouth produces as big an increase in brain activity and heart rate as a passionate kiss — but the effects of the chocolate last four times longer!

No increases in brain or heart tumours were observed in female rats.

CHICAGO, ILLINOIS — When prairie voles choose a mate, there's no turning back — the «love chemical» oxytocin increases in their brains and they devote themselves to only each other.

When played neutral - sounding statements, females showed additional sustained increases in brain activity around 1000 milliseconds after the start of the speech — a pattern that has previously been shown to occur when making judgements incorporating extra information.

The research shows that near - misses are underpinned by increases in the brain's electrical activity, particularly in the theta frequency range — known to be involved in processing win and loss outcomes.

The new research, led by Dr Natalia Lawrence of the University of Exeter and Dr Simon Dymond at Swansea University, shows that in gamblers, near - misses produce some similar increases in brain theta (4 - 7 Hertz) activity to wins.

«This new timeline has significant implications in helping us to understand this period of human evolution — cooked food provides greater energy, and cooking may be linked to the rapid increases in brain size that occurred from 800,000 years ago onwards.

Reinforcing effects of psychostimulants in humans are associated with increases in brain dopamine and occupancy of D (2) receptors

In the present study, we identified the kakusei homolog in the Japanese honeybee and found that the neural activity of one subtype of intrinsic neurons of the mushroom bodies (MBs) is preferentially increased in the brains of the Japanese honeybee workers during the formation of a hot defensive bee ball.

These findings suggested that neural activity of the KCs, especially the Class II KCs and a certain subpopulation of neurons located between the DLs and the OLs, was increased in the brains of workers during formation of the hot defensive bee ball.

Using Acks as a neural activity marker, we demonstrated that neural activity in the mushroom bodies, especially in Class II Kenyon cells, one subtype of mushroom body intrinsic neurons, and a restricted area between the dorsal lobes and the optic lobes was increased in the brains of Japanese honeybee workers involved in the formation of a hot defensive bee ball.

The team of investigators led by GIND director Lennart Mucke, MD, reported in a recent edition of the journal Nature Neuroscience, that collagen VI is increased in brain tissues of Alzheimer's patients.

Recent evidence suggested that Aβ42 can trigger activation of AMP - activated Kinase (AMPK) and that AMPK activation is increased in the brain of AD patients.

He hinted that gestural theory could clear up another mystery about this period as well: why the stone tools of these early hominids show little evolution for almost two million years, despite increases in brain size.

They found that RAGE - mediated signaling increased in brains after sepsis and appeared to increase phosphorylation of Tau protein, a hallmark of neurodegeneration.

Power analysis using the observed variability indicated that we were well powered to see increases in brain progranulin as small as 5 — 10 % (see Table 1).

Subsequent incremental increases in brain size are associated with dry periods with few if any lakes.

Only the aerobic exercisers had significant increases in brain volume in what are known as the white and gray matter regions of the brain, areas related to age - related decline in brain structure and cognition.

A study published in 2003 showed that the levels of happiness - inducing chemicals like dopamine and oxytocin increase in our brains after interacting with dogs — and the levels of stress - related chemicals like cortisol decreased.

Not exact matches

According to a study from the National Institutes of Health, people who experience feelings of gratitude show increased blood flow in areas of the brain linked to the «feel good» neurotransmitter: dopamine.

Meditation is gaining popularity — in part because it increases brain function and helps people relax in such a busy world.