Sentences with phrase «higher brain control»

With any loss of higher brain control, the lower, reactive brain's involuntary outputs are in charge.

Not exact matches

«Over time I think we will probably see a closer merger of biological intelligence and digital intelligence,» said Musk according to a CNBC report, adding that «some high bandwidth interface to the brain will be something that helps achieve a symbiosis between human and machine intelligence and maybe solves the control problem and the usefulness problem.»
They found that high multitaskers had less brain density in the anterior cingulate cortex, a region responsible for empathy as well as cognitive and emotional control.
For all its track record of innovation and investment the US has created for its tech businesses some interesting competitive disadvantages: high noise levels of spam and marketing, erosion of trust and degraded value of personal data, laws like Patriot Act and FISAAA which justifiably piss non-USians off, programs like PRISM which seriously undermine the credibility of the companies affected, the dead hand and zombie brain of an out of control military - industrial complex.
In vegetables and perhaps in very simple animals no such dominant occasion occurs, but in the higher organisms, especially where a fully developed central nervous system and brain is found, there is strong indication of centralized control of many aspects of the animals behavior.
On a cognitive level, growing up in a chaotic and unstable environment — and experiencing the chronic elevated stress that such an environment produces — disrupts the development of a set of skills, controlled by the prefrontal cortex, known as executive functions: higher - order mental abilities that some researchers compare to a team of air - traffic controllers overseeing the working of the brain.
We now know that high levels of stress early in development change the developing brain, and these children are likely to have a very heightened stress response — they can quickly go from being completely fine to being completely out of control.
The Centers for Disease Control's study on traumatic brain injuries in youth and high school sports and recreational activities agrees.
During times of emotional upset, children are functioning from their lower brain (which controls the fight, flight, or freeze response) and need to calm down before they can access their higher brain (responsible for logical thought and reasoning).
The authors searched for genetic mutations that might explain the disproportionately high risk of SUDEP in people with poorly controlled focal epilepsy, which, by definition stems from a specific area of the brain.
«Potentially, if we can prevent or control diabetes and high blood pressure in middle age, we can prevent or delay the brain damage that occurs decades later and leads to memory and thinking problems and dementia,» says study author and Mayo Clinic epidemiologist Rosebud Roberts M.B., Ch.B.
The medial prefrontal cortex (mPFC) mediates the cognitive control of many high - level brain functions.
Imaging studies have shown that the brains of high - risk individuals look and behave differently from controls decades before the onset of Alzheimer's, and long before they start to accumulate amyloid - β or lose grey matter.
«DTI provides a way to evaluate pre-symptomatic brain damage in people with high blood pressure in order to identify possible therapies to help control brain damage and reduce the eventual development of dementia.
The findings revealed that a brain region called the subgenual anterior cingulate cortex (sgACC) is associated with courage: the participants who were able to control their fear effectively and get closest to the snake showed the highest activity in the sgACC.
Then they would lie in a high - resolution positron emission tomography (PET) scanner for a grueling 90 minutes while the machine took pictures in 2 - millimeter increments of their nucleus accumbens, a region deep in the brain that (among other things) controls reward and motivation.
«What we have here is a unique window into the workings of a complex high - level brain area, as we work collaboratively with our subjects to perfect their skill in controlling external devices.»
When he and a control subject, another sensation - seeking rock climber, viewed gruesome, high - arousal photographs during functional magnetic resonance imaging brain scans, Honnold's amygdala ─ the brain's fear center ─ showed zero activation while the other climber's lit up like a neon sign.
Subplate neurons form the first connections in the developing cerebral cortex — the outer part of the mammalian brain that controls perception, memory and, in humans, higher functions such as language and abstract reasoning.
A Johns Hopkins study earlier this year confirmed that the Zika virus works by attacking the brain's cortical neural progenitor cells that eventually become the brain's cortex that controls many higher functions.
«When different brain regions assume the highest importance within a functional brain network is the key to improving both prediction and control of epileptic seizures,» Lehnertz said.
After controlling for factors known to influence brain volume and cognitive test scores, such as age and gender, the researchers found that a higher self - reported frequency of game playing was significantly associated with greater brain volume in several regions involved in Alzheimer's disease (such as the hippocampus) and with higher cognitive test scores on memory and executive function.
The Nottingham experts however believe that this new control may come as a result of a higher amount of GABA, which is being released in the brain during adolescents, and which inhibits the motor regions such as the Supplementary Motor Area.
Remarkably, these brains showed higher levels of DCC expression — some 48 per cent higher when compared to control subjects.
During development, subplate neurons are among the first neurons to form in the cerebral cortex — the outer part of the mammalian brain that controls perception, memory and, in humans, higher functions such as language and abstract reasoning.
Through analysis of high - resolution anatomical magnetic resonance imaging of brain volumes, taken three times over the two - year study period, the researchers were able to determine that individuals with MCI or Alzheimer's showed greater losses in gray matter volume in both the basal forebrain and temporal lobe, compared with cognitively normal controls.
«Drinking at such high levels can suppress areas of the brain that control basic life - support functions such as breathing and heart rate, thereby increasing one's risk of death,» said senior author, Aaron White, Ph.D., Senior Scientific Advisor to the NIAAA Director.
A diet high in saturated fat can make your brain struggle to control what you eat, says a new study in Frontiers in Cellular Neuroscience.
Scientists have long accepted that our ability to abruptly stop or modify a planned behavior is controlled via a single region within the brain's prefrontal cortex, an area involved in planning and other higher mental functions.
People who reported seeking high levels of stimulation or excitement had reduced cortical thickness, or gray matter, in brain regions associated with decision making and self - control.
They found that people who reported seeking high levels of stimulation or excitement had reduced cortical thickness, or gray matter, in brain regions associated with decision making and self - control.
A clinical research publication led by Stanford University investigators has demonstrated that a brain - to - computer hookup can enable people with paralysis to type via direct brain control at the highest speeds and accuracy levels reported to date.
Particularly interesting was the discovery that the thickness of the gray matter in the brain's temporal and prefrontal regions — the structures that are critical for language and for higher - order cognitive functions like self - control and problem - solving — were the most promising candidate traits for genetic mapping, based on both their strong genetic basis and association with the disease.
The brain also controls «higher» order, conscious activities, such as thought, reasoning, and abstraction.
«What we have here is a unique window into the workings of a complex high - level brain area as we work collaboratively with our subject to perfect his skill in controlling external devices.»
They used high - resolution 3 - D images of the brain, questionnaires evaluating temperament and personality traits of individuals diagnosed with bipolar disorder and their non-bipolar relatives, and an extensive battery of cognitive tests assessing long - term memory, attention, inhibitory control and other neurocognitive abilities.
In studying the functional behavior of the brain, from control of muscles to the formation of memories, scientists are using such tools such as electron microscopy, recordings of electrical signals from individual brain cells, and imaging of brain structures and processes using functional magnetic resonance imaging (fMRI), positron emission tomography (PET), and high - resolution optical imaging.
Comparing MRI brain images of eight Dobermans with CCD to the control group, Ogata found that the CCD group had higher total brain and gray matter volumes, lower gray matter densities in the dorsal anterior cingulate cortex and right anterior insula, and higher fractional anisotropy in the splenium of the corpus callosum (the degree of which correlated with the severity of the behavioral traits).
Now, researchers argue that the competing noise of other partygoers is filtered out in the brain before it reaches regions involved in higher cognitive functions, such as language and attention control.
Preliminary research has suggested that, «if the target is to improve older adults» cognitive control, reasoning, and higher - order cognitive skills, and stave off dementia and Alzheimer's as long as possible, then maybe strategy games are the way to go,» said Chandramallika Basak, assistant professor at the Center for Vital Longevity and School of Behavioral and Brain Sciences at the University of Texas at Dallas.
In ventral striatum (key brain reward region), MP - induced reductions in DVs and BPND (reflecting DA increases) were inversely correlated with scores of negative emotionality, which were significantly higher for marijuana abusers than controls.
The low self - control people and the high self - control people have different brain reactions when they are looking at security scenarios,» Hu said.
Thus, lying requires a series of processes in the brain including attention, working memory, inhibitory control and conflict resolution which we found to be reduced in individuals with high levels of psychopathic traits.
The emotion control center of the brain, the amygdala, shows significantly higher levels of activation in males viewing sexual visual stimuli than females viewing the same images, according to a Center for Behavioral Neuroscience study led by Emory University psychologists Stephan Hamann and Kim Wallen.
Specifically, compared with controls, marijuana abusers had significantly attenuated behavioral («self - reports» for high, drug effects, anxiety, and restlessness), cardiovascular (pulse rate and diastolic blood pressure), and brain DA [reduced decreases in distribution volumes (DVs) of [11C] raclopride, although normal reductions in striatal nondisplaceable binding potential (BPND)-RSB- responses to MP.
The fMRI scans revealed significantly higher levels of activation in the amygdala, which controls emotion and motivation, in the brains of the male subjects compared to the females, despite the fact that both males and females expressed similar subjective assessments of their levels of arousal after viewing the images.
Leow and her colleagues explored differences and similarities in brain connectivity patterns in 24 weight - restored individuals with anorexia nervosa (participants met all criteria for anorexia except for amenorrhea and all had body mass indices (BMI) of 18.5 or higher), 29 participants with body dysmorphic disorder, and 31 healthy control participants.
The researchers were able to show for the first time that structures higher up in the brain's chain of command directly control the more abstract information, while the component bits are managed by lower brain centers.
Summary: In a finding with implications to human speech acquisition, University of Chicago researchers have shown how a bird's brain controls singing and demonstrated for the first time that structures higher up in the brain directly control the more abstract information, while the component bits are managed by lower brain centers.
To study brain changes involved in IED, Coccaro and his colleagues performed high - resolution magnetic resonance imaging (MRI) scans in 168 people, including 57 who were diagnosed with IED, 53 healthy control subjects and another 58 control patients with psychiatric diagnoses.
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