According to researchers at Bar - Ilan University in Israel led by Prof. Ido Kanter, the theory promises to transform our understanding
of brain dysfunction and may lead to advanced, faster, deep - learning algorithms.
US government personnel assigned in Havana, Cuba experienced symptoms similar to
that of brain dysfunction associated with concussions.
According to Dr. Carter, the findings suggest that future approaches using clinical assessments to identify the specific type
of brain dysfunction contributing to a patient's symptoms may allow a more targeted approach to treatment.
«Far from having a core ADHD profile
of brain dysfunction, there was not a single fMRI - measured abnormality that could be found in all three ADHD subgroups,» said Dr. Stevens.
Not exact matches
And beyond issues related to justice, psychologists are only just beginning to grasp the full impact
of pornography upon our
brains and how those effects are creating sexual and relational
dysfunction.
On Internet discussion groups, atheists crowed that religion had been proven to be nothing more than a
dysfunction of the
brain.
Without those nerve endings and the feedback to the
brain, circumcised men suffer premature ejaculation (the # 1 sexual complaint
of circumcised American men) and later in life sexual
dysfunction and impotence.
It does not measure other critical
brain functions that can be adversely affected by head trauma, such as balance and vision, which is why expert groups [1] recommend a «multifaceted approach to concussion management that emphasizes the use
of objective assessment tools aimed at capturing the spectrum
of clinical signs and symptoms, cognitive
dysfunction, and physical deficits... that are more sensitive to the injury than using any one component alone.»
Too little food and / or nutrient deficiency can lead to depletion
of energy stores, alteration
of brain structure, and cardiac
dysfunction.
A 2010 study finds no support that purposeful «heading»
of a soccer ball leads to either short - term (acute) or cumulative
brain damage, such as cognitive
dysfunction.
Scientists have linked BPA to a growing list
of ailments: cancer, reproductive and cardiovascular system disorders (including damage to the prostate gland, infertility and early puberty),
brain and neurological system
dysfunctions, behavioral problems, diabetes and obesity.
If others can confirm that deformational plagiocephaly is associated with increased rates
of behavioral and learning problems during the school - age years, then the question to be asked is: «Is plagiocephaly an early sign
of subtle
brain dysfunction or does early
brain molding lead to subtle
brain dysfunction?»
He said the abuse
of Tramadol could result in erectile
dysfunction, infertility,
brain damage among others.
Researchers hope that clarifying the structure
of the
brain will help us understand its function and
dysfunction.
The latter substance, phosphorylated tau, is responsible for neurofibrillary tangles, which are suspected
of contributing to the nerve cell
dysfunction in the
brain that is responsible for Alzheimer's memory symptoms.
«As a
dysfunction in the ability
of the
brain to regulate the communication
of information between
brain regions,» Khambhati said, «seizures can be thought
of as a traffic flow problem.
In an earlier study published in Nature Medicine, an international team
of scientists discovered that the additional copy
of chromosome 21 in Down's syndrome reduces the production
of SNX27 in the
brain and results in synaptic
dysfunction.
«We now have a handle on the detailed structure
of a complex web
of interactions that causes global
dysfunction in cells resulting in degeneration
of the
brain.»
«While dopamine has limited reach in the
brain, any
dysfunction in glutamate would be expected to have the sort
of widespread effects we see in the perceptual disorders associated with schizophrenia,» says Albright.
Similar types
of more severe cognitive
dysfunction are common in
brain cancer patients who have received high - dose, photon - based radiation treatments.
These rare cases
of dysfunction allow us to see more clearly that our healthy
brains endow us with remarkable capacities to imagine, reason, and act freely.
«The role
of IL - 2 in delirium is a new finding and is particularly interesting since it was reported to induce blood -
brain barrier
dysfunction in animal models,» she added.
The researchers also focused on the two - way nature
of the process: how gut
dysfunction may worsen
brain inflammation and tissue loss after TBI.
Professor Kieran Murphy, Head
of Department
of Psychiatry, RCSI and Consultant Psychiatrist at Beaumont Hospital, said: «We have shown for the first time that
dysfunction of the blood -
brain barrier may be an important factor in the development
of schizophrenia.
This new study builds on previous research from this group showing that elevated blood levels
of SNTF on the day
of a mild traumatic
brain injury treated in the emergency room predicted those patients who would go on to suffer diffuse axonal injury and long - term cognitive
dysfunction.
The findings, published in the Nov. 19 Journal
of Neuroscience, could shift researchers» attention from the spinal cord to the
brain's motor cortex as the disease's initial point
of dysfunction.
The differences in fear sensitivity are likely to be innate, at least in part:
dysfunction in the amygdala, a
brain area important for processing fear, has previously been linked to psychopathic behaviour, and genetic factors must underlie some
of these differences.
«The imaging technique could shed light on the immune
dysfunction that underpins a broad range
of neuroinflammatory diseases, such as Alzheimer's disease, depression, post-traumatic stress disorder and addiction,» said Christine Sandiego, PhD, lead author
of the study and a researcher from the department
of psychiatry at the Yale School
of Medicine in New Haven, Conn. «This is the first human study that accurately measures this immune response in the
brain.
Concussions that lead to lasting
brain dysfunction cause SNTF to accumulate in vulnerable long axon tracts
of the
brain, and its blood elevation is a measure
of this diffuse axonal injury.
Dysfunction in dopamine signaling profoundly changes the activity level
of about 2,000 genes in the
brain's prefrontal cortex and may be an underlying cause
of certain complex neuropsychiatric disorders, such as schizophrenia, according to UC Irvine scientists.
This kind
of progressive speech impairment is associated with
dysfunction in the cortical - basal ganglia
brain circuit in both humans and songbirds, so Liu could make assumptions based on this trial about how the human
brain circuit changes.
They suffer electrolyte imbalances, vitamin deficiencies, and other symptoms
of starvation that can lead to blood clotting
dysfunction and
brain atrophy.
Developing such biomarkers to assess
brain dysfunction will be a challenge, but in the same issue you draw attention to the excellent work
of Abdul Hye and his colleagues who are developing a test to detect protein biomarkers for Alzheimer's disease in blood (p 5).
«A
dysfunction in the
brain messenger dopamine is common to both Parkinson's and RLS, and has been hypothesized as a possible cause
of migraine for many years.
Although researchers do not fully understand what causes SIDS, the leading hypothesis describes it as a combination
of environmental stressors occurring at a critical development period
of an infant who has some underlying vulnerability, such as genetic condition or
brain dysfunction.
«Results from this study, and the growing literature suggesting that OSA, cognitive decline and AD are related, may mean that age tips the known consequences
of OSA from sleepiness, cardiovascular, and metabolic
dysfunction to
brain impairment,» Dr. Osorio said.
Using this imaging technology, we may be able to capture more precise and objective measurements
of olfactory
dysfunction and better understand how changes in these sensory neurons relate to overall health and neurodegeneration in the
brain.»
«Despite the widespread evidence for interactions between sleep loss and metabolic
dysfunction, little is known about the molecular basis
of this interaction and how these processes integrate within the
brain.»
Published in Nature Neuroscience, the findings suggest that astrocytes — star - shaped cells that are abundant in the
brain and support neuronal function — are important regulators
of information storage, and their
dysfunction might lead to memory decline in disease.
But when the enzymes are over-activated, the
brain produces an excessive level
of neurotoxic byproducts, causing neuronal
dysfunctions that lead to psychiatric disorders and neurodegenerative diseases.
It is also suggested that further elucidation
of the mechanism linking mastication and
brain function can lead to novel treatments and preventive measures for memory / learning
dysfunction in the future.
The grand symphonic piece that is consciousness encompasses the foundational contributions
of the
brain stem, forever hitched to the body, and the wider - than - the - sky imagery created in the cooperation
of cerebral cortex and subcortical structures, all harmoniously stitched together, in ceaseless forward motion, interruptible only by sleep, anesthesia,
brain dysfunction, or death.
Researchers with Oregon Health & Science University's Vollum Institute have given science a new and unprecedented 3 - D view
of one
of the most important receptors in the
brain — a receptor that allows us to learn and remember, and whose
dysfunction is involved in a wide range
of neurological diseases and conditions, including Alzheimer's, Parkinson's, schizophrenia and depression.
Liem says this
dysfunction triggers the release
of more
of the hormone that stimulates these cells, but this hormone also stimulates a
brain receptor related to pain sensitivity.
In particular, obesity has been linked with
dysfunction of the hippocampus, an area
of the
brain involved in memory and learning, and
of the frontal lobe, the part
of the
brain involved in decision making, problem solving and emotions, suggesting that it might also affect memory; however, evidence for memory impairment in obesity is currently limited.
For example, how genetic programs affect the function
of specific cell types, how they vary early or later in life and how
dysfunction in these programs might contribute to disease, all
of which could help scientists learn more about the fundamental workings
of the
brain.
Every year, nearly two million people in the United States suffer traumatic
brain injury (TBI), the leading cause
of brain damage and permanent disabilities that include motor
dysfunction, psychological disorders, and memory loss.
With the former it is possible that something similar genetically underlies both ADHD and obesity; Castellanos and his colleagues note that
dysfunction in the dopamine pathways
of the
brain have been found among both people who are obese and those with ADHD.
A better understanding
of aberrant
brain receptor signaling that leads to nerve cell
dysfunction could reveal a target for therapy, according to the authors.
In humans, the cerebellum's extensive connectivity with the rest
of the
brain suggests it does far more than learn motor skills: it has been shown to have a part in both perception and cognition, with recent work linking cerebellar
dysfunction to such complex diseases as schizophrenia and autism.