Sentences with phrase «largest brain area»

Nevertheless, studies that compare the vivid imagery of dreams with daytime vision reveal similar patterns of activity in the visual cortex, the largest brain area devoted to vision.

Neurodegenerative disorders like Huntington's disease affect very large brain areas.

Not exact matches

Physical punishment is associated with a range of mental health problems in children, youth and adults, including depression, unhappiness, anxiety, feelings of hopelessness, use of drugs and alcohol, and general psychological maladjustment.26 — 29 These relationships may be mediated by disruptions in parent — child attachment resulting from pain inflicted by a caregiver, 30,31 by increased levels of cortisol32 or by chemical disruption of the brain's mechanism for regulating stress.33 Researchers are also finding that physical punishment is linked to slower cognitive development and adversely affects academic achievement.34 These findings come from large longitudinal studies that control for a wide range of potential confounders.35 Intriguing results are now emerging from neuroimaging studies, which suggest that physical punishment may reduce the volume of the brain's grey matter in areas associated with performance on the Wechsler Adult Intelligence Scale, third edition (WAIS - III).36 In addition, physical punishment can cause alterations in the dopaminergic regions associated with vulnerability to the abuse of drugs and alcohol.37

The preemies who experienced skin - to - skin had higher IQs, significantly larger areas of gray matter in the brain, and even earned higher wages at their jobs than those who did not experience skin - to - skin care.

Accordingly, the anterior prefrontal cortex, i.e., the brain area controlling conscious cognitive processes and playing an important role in the capability of self - reflection, is larger in lucid dreamers.

The upshot: the monkeys in the larger groups had more gray matter in brain areas linked to processing social information (the middle superior temporal sulcus, amygdala and rostral prefrontal cortex, two of which overlap with those reported on in the Proceedings B study).

And while modern electrodes can scan the brain either over a large area or in great detail, Rogers» device can do both.

Transcranial magnetic stimulation can stimulate brain cells from outside the head, but is not highly targeted and so affects large areas of the brain at once.

Sejnowski and Muller wanted to see the broader picture, however, and turned to large - scale recordings, called intracranial electrocorticograms (ECoGs), that can measure activity in many areas of the brain at once.

This large - scale epileptic network comprises various areas of the brain involved in normal brain activity during both seizure - free intervals and those involved in so - called pathophysiological activities such as seizures.

Currently, clinical trials are under way to test the effectiveness of mechanically pumping large amounts of these proteins into the affected area of patients» brains on a continuing basis.

A 2002 study using MRI scans showed that brain areas keeping aggression and impulsive behavior in check were relatively larger in women than in men.

«As far as we can tell, within this larger fusiform region of the brain, only the reading area has these particular sets of connections, and that's how it's distinguished from adjacent cortex.»

A powerful X-ray tomography scanner allowed the researchers to image particularly thick sections of the brains of mice, which afforded them views into intact neural areas much larger than are customary in microscope imaging.

The patient's brain signals were decoded by an electrocorticographic (ECoG) implant that can cover a large area of the brain, taking in and translating information from many groups of neurons and providing more stable readings than have been achieved through other methods.

To go further, the pair started combining their electrode recordings of individual neurons with readings from an intracranial EEG, which measures overall electrical activity in a larger area of the brain.

But in MJD patients, it collects in large clumps, clogging cell nuclei in the affected brain areas.

But brain imaging showed that the children who benefited most had a larger hippocampus, a key memory area, and stronger neural connections between the hippocampus and brain regions involved in long - term memory and habit - building.

Previously, researchers had noticed that scent - processing areas of the brain are larger in shark species that do a lot of navigating.

If fish experienced the complex social environment for 2 month they had a larger hypothalamus: the area that contains most of the brain nodes of the «social behaviour network».

The people in the 22q duplication group, who at risk for autism, had the opposite pattern, with thinner gray matter and larger brain surface area.

When neurons in this area of the brain are stimulated, they release dopamine — a powerful neurotransmitter responsible for feelings of wellness — and, in large doses, euphoria.

«These are areas of the brain where large populations of neurons are firing often, and this uses up a lot of energy, so it's not surprising that we see an altered metabolic profile with a massive expansion of blood vessels.»

In areas of the brain previously linked to IQ, the star percussionists also had more white matter — the fatty material that sheathes connections between neurons and boosts signal speed — indicating a larger amount of neural hookups there.

In 2000, Maguire's scans of the brains of London cabbies showed they had abnormally large hippocampi, the area of the brain vital for navigation.

The people who were aspirin resistant also had larger areas of the brain affected by the stroke, as measured by MRI diffusion weighted imaging, with infarct size of 2.8 cc compared to 1.6 cc for those who responded to aspirin.

Stirman further refined the designs and incorporated them into an overall two - photon imaging system that allowed the researchers to scan much larger areas of the brain.

When they compared magnetic resonance imaging (MRI) scans taken before and after for both groups, they found that auditory and motor areas of the brain linked respectively with hearing and dexterity grew larger only in the trainee musicians.

First, by the time Morganucodon was alive 190 million years ago, the brain was almost 50 % larger than in cynodonts, and areas that process smell, such as the olfactory bulb, were distinctly larger.

The results showed that altruistic individuals self - reported to have greater concern for others» wellbeing and had larger right anterior insula (a brain area involved in processing social emotions) compared to non-altruists.

This preliminary study needs to be validated with a larger sample, Kana said; but it «emphasizes that the brain abnormalities in autism may not be confined to a single area.

MRI scans taken of Johnson's brain revealed that he has a large brain lesion in his frontal lobes, an area of the brain important for impulse control and emotion.

(Compared with most humans, for instance, taxicab drivers have brains that have larger areas that are involved with spatial memory.)

The largest increase in blood flow occurred in two small areas, or nuclei, within the brain stem which control the constriction and dilation of blood vessels in the brain.

«Nonetheless, we think that we can use optogenetics to put together a larger picture of connectivity between other types of neurons in other areas of the brain.»

Studying how animals plan over these different timescales has been challenging, in large part because it requires many brain areas operating at once, and neuroscientists have lacked the tools to observe neural activity over broad swaths of the brain.

The problem is that these probes are typically much larger in size than neurons and capillaries (they usually have a cross-sectional area of 103 μm2) and can thus cause significant damage to brain tissue when implanted.

The medial septal area projects to a large number of brain regions that show theta modulation, including all parts of the hippocampus as well as the entorhinal cortex, perirhinal cortex, retrosplenial cortex, medial mamillary and supramamillary nuclei of the hypothalamus, anterior nuclei of the thalamus, amygdala, inferior colliculus, and several brainstem nuclei (Buzsáki, 2002).

They intend to examine more wide - ranging areas of the brain and to stain for more cell types within larger numbers of post-mortem brain specimens.

It is both the largest and most developed area of the human brain.

The cerebellum is the second largest area of the brain.

She notes that this «hand area» takes up a large portion of the brain.

Scientists can tell from magnetic resonance imaging (MRI) studies that the areas of the brain devoted to speech and language are exceptionally large in humans.

Introverts tend to have larger and thicker gray matter in the area of the brain responsible for abstract thought and decision making, according to a 2012 Harvard University study.

One 2015 study reported that brains of super agers are thicker in certain areas than normal brains, and also have fewer tangles (a type of protein associated with Alzheimer's disease), and a large supply of neurons linked to social intelligence.

Plus, women often have stronger stress reactions than men, says David Rakel, MD, director of integrative medicine at the University of Wisconsin, maybe because the area where emotions are processed in our brains is larger.

Actually I just realized I mistated what I read — the study showed somewhat larger brain volume in certain areas including the hippocampus.

From the brain, the nerves that control them exit through a large number of spinal vertebrae — from the 5th to the 12th thoracic area.

Specifically, the area of the brain that controls emotion — the amygdala — is larger than normal in those who develop PTSD after a brain injury, researchers said.

Sometimes as main quest objectives and sometimes as sub-quests, you'll be asked to go into large areas of land to farm for materials: fungi, flowers, bugs, ore, and anything else your little brain can imagine.