Sentences with phrase «level brain processes»

Neurons in the outer layers are connected to other parts of the cortex, which in humans play a role in higher - level brain processes such as self - awareness, language and problem - solving.

Not exact matches

Thus, at the lowest level, electrons tend to unite and converge in the atom; atoms converge by molecularization, crystallization; molecules unite by polymerization; cells unite by conjugation, reproduction, association; nerve ganglions concentrate and localize to form a brain by what might be called a process of cephalization; the higher animal groups form colonies, hives, herds, societies, etc.; man socializes and forms civilizations as foci of attraction and organization.

On this basis the fundamental evolutionary process of the Universe does not stop at the elemental level of the human brain and human reflection.

You might not realize someone is looking at you on a conscious level, but your eyes in your peripheral vision or any other stimuli might still go into your brain and get processed and outputted as a response before you are consciously aware.

Organic dark chocolate that is minimally processed is loaded with anti-oxidants and compounds like theobromine and PEA's that improve blood flow into the brain and boost dopamine levels and make you feel great.

All of these can help boost the happy chemicals in your brain, reduce stress levels in your body and get the blood flowing to support your body's natural detoxification process.

For instance, appropriate iron levels are needed for proper brain development; deficiency is associated with thought - processing and motor development issues.

The sensory data that she now receives is routed through the hippocampal region of the brain where it will be processed at a deeper level of meaning.

«Cognitive aging is not a disease or a level of impairment — it is a lifelong process that affects everyone,» explains lead author Dr. Sharon K. Inouye, Director of the Aging Brain Center at the Institute for Aging Research, Hebrew SeniorLife in Boston, Massachusetts and Professor of Medicine, Harvard Medical School.

Brains of teenage girls exposed to high levels of family stress when they were toddlers showed reduced connections between the amygdala, which is also known for processing fear and emotions, and the ventromedial prefrontal cortex, an outer region responsible for emotional regulation.

The research team, led by David Cantu and Chris Dulla, studied the effect of traumatic brain injury on the levels of the neurotransmitter gamma - aminobutyric acid (GABA) in the cerebral cortex, the portion of the brain associated with higher level functions such as information processing.

A team of researchers from the Department of Evolutionary Neuroethology, led by Sonja Bisch - Knaden, has investigated whether neural activity patterns linked to either feeding or egg - laying behavior can already be observed in the antennal lobe, which is the first processing level of scents in the insect brain.

Although it is unlikely that rDLPFC will enter the textbooks as the seat of the law in the brain, this intriguing new study by Buckholtz underscores the role of this region in high - level cognitive processes in general, and judgment and decision - making in particular.

A study published online last November in Brain, based on the most comprehensive collection of postmortem images compiled to date, shows that Einstein's cerebral cortex, responsible for higher - level mental processes, differs much more dramatically than previously thought from that of a person of average intelligence.

Researchers traced the hormone's path from the skeleton to the hypothalamus — a brain structure that maintains blood sugar levels and body temperature and regulates other processes.

Prof. Hasan's group show that a process called SOCE (Store Operated Calcium Entry) which works to maintain calcium levels in cells could also play a role in maintaining the levels of dopamine, a vital neurotransmitter in the brain.

He hypothesized that changes can occur at the cellular level within the brain and may be related to myelination, the process of building the protective sheath around the nerves.

During that time, nurses must closely monitor patients to make sure their brains are at the right level of sedation — a process that MIT's Emery Brown describes as «totally inefficient.»

«We hope that we can understand the processes at cellular and molecular levels by studying the fish brain,» he adds.

The tactile signals processed in the somatosensory centers of the brain may actually send feedback all the way to the very early stages of visual processing instead of being merely combined at some higher level.

The illusion now disappears, suggesting that the filling in occurs at an early stage of tactile information processing, not at the higher level of space representation in the brain.

Now a study has linked these rising levels with momentary forgetfulness, pinpointing exactly where in the brain the aging process acts — a finding that could help the elderly ward off memory lapses.

Professor Stefan Borgwardt and his team showed that the depiction of fear under LSD led to a notably lower level of activity in the amygdala — an area of the brain that is believed to be central to the processing of emotions.

In patients who have survived severe brain damage, judging the level of actual awareness has proved a difficult process.

In their recent PNAS paper members of the Imperial College team reported that the presence of LSD was linked to a boost in blood flow and functional connectivity between the brain's primary visual cortex and seemingly unrelated brain networks that mediate other sensory inputs as well as higher - level processes including emotion.

Analytic tools developed in the last few years offer the promise of answers at the level of how these processes impact brain network communication,» Diwadkar said.

To Francis Heylighen, who studies consciousness and artificial intelligence at the Free University of Brussels (VUB) in Belgium, consciousness is merely a system of mechanisms for making information processing more efficient by adding a level of control over which of the brain's processes get the most resources.

Therefore, one important question is whether the types of systems that have been described at the psychological level are a good analogue for the way information is organized and processed in the brain.

«By using both of these compounds — a blocker at the early stage of injury, and an activator at the later stage — we're able to complement the brain's natural healing processes and maintain a reduced level of swelling,» he says.

Although there is a good deal of evidence for some level of dissociation between multiple systems that approximate controlled and automatic processing respectively, with parts of the brain such as areas of frontal cortex (controlled) and limbic regions (automatic) implicated in these processes, it seems highly unlikely that there are dedicated, independent, sub-systems at the neural level that are specific to these modes of processing.

(Paradoxically, stimulants can help offset such hyperactivity problems, possibly by leveling out inconsistencies in how fast different parts of patients» brains process information.)

Dr Tups and an international team investigated whether directly stopping inflammatory processes in the brain's hypothalamus could help lower blood sugar levels and reduce insulin resistance.

Since the process of producing new brain cells on a cellular level is similar in animals, including humans, Shors says ensuring that adolescent children learn at optimal levels is critical.

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.

This suggests that functional brain networks are optimized toward processing speed and a high level of efficient global information integration between cortical and subcortical regions of the brain network.

The normalized clustering coefficient γ and the number of connections k (supplemental Fig. 3, available at www.jneurosci.org as supplemental material) were found not to be significantly associated with IQ, suggesting that intelligence is not directly related to the level of local information processing or to the total number of functional connections of the brain network.

The difference may be due to how the brains of individuals with high and low levels of psychopathic traits process lies.

By looking at activation of different brain regions while test subjects were exposed to different listening conditions, Dr. Johnsrude's research has revealed that the early processing of sound, which occurs in a brain region called the primary auditory cortex, depends on higher - level linguistic knowledge encoded in other regions of the brain.

The scientists presume that the ability to compensate an impaired process by another part of the brain depends on the hierarchy level on which the language is perturbed: Processing the rhythm of a word is such a basic mechanism that can not be simply overtaken by another part.

A new study authored by Marc Schieber, M.D., Ph.D., and Kevin Mazurek, Ph.D. with the University of Rochester Medical Center Department of Neurology and the Del Monte Institute for Neuroscience, which appears in the journal Neuron, shows that very low levels of electrical stimulation delivered directly to an area of the brain responsible for motor function can instruct an appropriate response or action, essentially replacing the signals we would normally receive from the parts of the brain that process what we hear, see, and feel.

Other research interests include elucidating the effects of persistent alcohol and marijuana use on brain metabolite levels and structural maturation patterns that contribute towards suboptimal cognitive processing and maintaining drug dependence behaviors.

Hobson and McCarley suggested that during sleep, activity in some of the lower levels of the brain that are primarily responsible for basic biological processes are then interpreted by the parts of the brain responsible for higher - order functions such as thinking and processing information.

In humans, low levels of hydrogen sulfide serve as a signaling molecule that helps regulate physiological processes in the brain, heart and other organs.

The goal of this work is to characterize the role of dendrites in learning and memory processes so as to formulate a unifying theory regarding their contribution in memory formation across brain regions and abstraction levels.This will be achieved via the development of computational models that start at the single cell level and expand to the microcircuit and the network level, while varying in their degree of biophysical detail.

The researchers» findings suggest that Nav1.1 levels in special regulatory nerve cells called parvalbumin cells, or PV cells, are essential to generate healthy brain - wave activity — and that problems in this process contribute to cognitive decline in AD - mice and possibly in patients with Alzheimer's.

This important process, called neurotransmission, is impaired by amyloid proteins, which build up to abnormally high levels in brains of Alzheimer's disease patients and are widely thought to cause the disease.

How do changes on a cellular level contribute to adaptation processes that allow the brain (and with it its owner) to age successfully?

As Soutschek explains, «these results demonstrate that the brains of women and men also process generosity differently at the pharmacological level.»

At a basic level, the physical stress of the activity triggers the release of a protein called BDNF, or brain - derived neurotrophic factor, a growth factor that supports the health of neurons and plays a role in mental processing and memory.

This orientation allows the microbes in the gut to send powerful messages that can actually steer the high - level emotional processing that occurs in the brain.