Sentences with phrase «different brain systems»

Investors are using two different brain systems at these two different times with sometimes radically different outcomes.
PROVIDENCE, R.I. [Brown University]-- A new study by Brown University researchers shows that two different brain systems work cooperatively as people learn.
With a collaborative approach, we will determine the principles underlying the different brain systems, providing insight into human behavior and potentially enhancing artificial intelligence.
This suggests that you're making the same memory judgment — whether the memory is strong or weak — but different brain systems are involved if it's emotional as opposed to neutral.
It appears that different brain systems are involved.
Previous studies found that OCD patients have abnormalities in two different brain systems — one that creates habits and one that plays a supervisory role.
«I think we've evolved three distinctly different brain systems for mating and reproduction.
«Information like a name needs to be transferred to a different brain system that creates long - term memories that persist over time.»
Much of the current confusion in neuroscience research on fear stems from the conflation of two separate phenomena that are both labeled «fear»: behavioral and physiological fear responses elicited by threats, such as a snake or a mugger, and conscious feelings of fear, which occur in the same situation but are controlled by a different brain system.

Not exact matches

If human brains are like body's cells, there is a natural point of specialization, in which new systems break away and form similar but slightly different branches, as cells in a body become fingers, feet, hands, etc..
It can be inferred with some probability that the human mind, at any given moment, is not drastically different in size and shape from the pattern of activity in the nervous system with which at that moment it interacts, and as this activity moves about somewhat it follows that the mind literally moves in brain and nerves, though in ways unimaginably various and intricate.
It can be inferred with some probability that the human mind, at any given moment, is not drastically different In size and shape from the pattern of activity in the nervous system with which at that moment it interacts, and as this activity moves about somewhat it follows that the mind literally moves in brain and nerves, though in ways unimaginably various and intricate.15
At different times Hartshorne has written of this as the body as a whole, the central nervous system, and the brain.
Events in our surroundings activate these neuromodular systems and perfuse different regions of the brain, influencing how information is processed.
Two different systems in the brain govern our food decisions.
Whereas some of the other types of visual prostheses propose stimulating different areas of the brain from the one Pezaris is targeting, another promising project known as the Argus II Retinal Prosthesis System is expanding its U.S. clinical trial into Europe.
Researchers studying the brain's attention and memory systems noticed that our visual memory was different from our textual memory.
The Duke researchers who made this discovery say it may help explain how a relatively small number of genes can create the dazzling array of different cell types found in human brains and the nervous systems in other animals.
Over the past five years, researchers have identified partially - fossilised nervous systems in several different species from the period, but these have mostly been fossilised brains.
The olfactory system comprises six million to 10 million receptor cells (of which there are nearly 400 different types) and links to multiple brain structures and neural pathways, including those involved in memory, emotion and movement.
He believes the brain uses a kind of voting system: different brain areas weigh up the various attributes of apples, pears and plums, say, and compete with each other to have their preference chosen.
But because different kinds of information are retained differently, experts speculate that distinct types of memory systems exist in the brain.
- Our results highlight that exercise intensity affects endorphin release and that the brain opioid system is involved in both positive and negative feelings caused by physical exercise performed at different intensities, says Doctoral Candidate Tiina Saanijoki from Turku PET Centre.
The newly unmasked genes play a role in three distinctively different bodily functions, including systems that control inflammation and cholesterol and the regulation of how brain cells clean up toxic proteins.
At the outset, Joel shared a popularly held assumption: just as sex differences nearly always produce two different reproductive systems, they would also produce two different forms of brains — one female, the other male.
The in vitro model was used to extensively characterize the differences between neurons from different regions of the brain and to mimic the system's connectivity.
For example, insects, bats and birds have all evolved wings that are similar in function but have completely different origins, eyes have emerged multiple times, and there is good evidence that nervous systems have also evolved several times, with some creatures possessing strange systems unlike the brains and spinal cords we are used to.
«The octopus nervous system is organized in a totally different way from ours: The central brain surrounds the esophagus, which is typical of invertebrates, but it also has groups of neurons in the arms that can work relatively autonomously, plus huge optic lobes involved in vision,» said Daniel Rokhsar, who co-led the project along with Clifton Ragsdale, of the University of Chicago.
«When we recall a recent birthday party, for example, the brain likely activates a number of different systems, such as a system that is responsible for retrieving memory of events, a system that is responsible for building a vivid scene in our mind, and a system that is responsible for moving back in time.
«It's the first time you can see the inhibitors of serotonin reuptake, like antidepressants, working in different parts of the brain, and you can use this information to analyze all sorts of antidepressant drugs, discover new ones, and see how those drugs affect the serotonin system across the brain
And like a computer creating a full - color display by mixing different proportions of red, green and blue light, the coordinate system lets a brain paint any face in a spectrum.
After growing the model for two months — previous ones lasted a few weeks at best — the team dropped different weights on the system to simulate brain trauma, like a concussion.
«Handedness and language are controlled by different genetic systems, but there is a weak relationship between the two because both functions originate on the left side of the brain,» he said.
From that stage the evolution of nervous systems proceeds independently in many lines, including two that led to large brains of different design.
In the basal ganglia — a complex system of neurons in the brain responsible for, among other things, procedural learning — Bottjer and Achiro were able to isolate two different types of neurons in young songbirds: ones that were activated only when the birds heard themselves singing, and others that were activated only when the birds heard the songs of adult birds that they were trying to imitate.
«Our brains would like to match up what we see and what we hear according to where these stimuli are coming from, but the visual system and the auditory system figure out where stimuli are located in two completely different ways,» said Groh, who holds a joint appointment in the department of neurobiology at Duke.
To do this, primates have two forward - facing eyes that capture the same view from slightly different angles, and a visual system that keeps information from each eye separate until it reaches the brain's visual cortex.
Now the research team, led by first author Ko - Woon Lee, a research associate in the lab, wanted to see if p11 had a similar effect on a different signaling system within the brain.
As a result, the receptors are concentrated in different parts of each species» limbic system, the part of the brain that controls drive and emotions.
Others have previously speculated that the biological basis of psychiatric disorders such as PTSD includes a shift in the balance between different signalling systems in the brain but none has yet proved it.
Imaging studies of the brain DA system in marijuana abusers have also shown different findings from those reported for other types of substance abusers.
This led Milner to speculate that there are different types of learning and memory, each dependent on a separate system of the brain.
Through her encounters with him, Milner established that people have multiple memory systems, governing different activities like language or motor skills, opening the way for a greater understanding of how the brain works.
White matter acts like the brain's subway system; it connects different areas of gray matter to each other, helping messages travel quickly.
Her more than three decades of work with H.M. established that people have multiple memory systems, governing different activities like language or motor skills, opening the way for a greater understanding of how the brain works.
But the central nervous system, meaning the brain and spinal cord, is different, and medical wisdom held that no new brain cells, neurons, are made after early childhood.
Drugs that reduce cholesterol levels in the cardiovascular system can strongly benefit people with diabetes or related conditions, but cholesterol in the blood generally can't cross into the brain, and cholesterol metabolism is quite different in the brain, she points out.
The size of the human brain imposes significant challenges for communicating across different regions Prior to these technologies, the white matter was thought of as a passive cabling system.
While the subjective effects of nicotine and cocaine are very different in humans, the overlapping effects of the two drugs on the reward system of the brain may explain why both are highly addictive substances, the researchers said.
These different areas form, I believe, building - blocks that contribute to our understanding of how our remarkable nervous system makes us do all the things we enjoy - and sometimes those that we would prefer not to - and occasionally make wise decisions... something that our brains, however, could be better at [and where there is] room for further biological evolution.
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