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Tag: "cortex" at medical news

Researchers Say Brain Region Responsible for Pain's Ability to Seek Attention

...gion was one called the rostral anterior cingulate cortex (rACC) known to be involved in the brain's processing of pain and plays an important role in 'executive" functions such as attentional control. The fMRI scans indicated that the region was indeed, the brain centre through which pain influences the...

FDAs Gesture for Firm Manufacturing Drug for Cushings Syndrome

...l the amount of water in the body. Another adrenal cortex hormone, aldosterone, regulates salt and water levels which affects blood volume and blood pressure. Small amounts of androgens (male hormones) are also normally produced in the adrenal cortex. Cortisol production is regulated by adrenocorticotrophic...

FDA Approve S Robotic Device to Help Stroke Patients

...ients whose strokes have damaged part of the motor cortex and subcortex, this means that movement therapy may help the brain to use other, nearby neurons or even neurons in the opposite brain hemisphere to complete a movement. The goal is to make neurons talk to each other again, said Dr. Krebs, adding ...

Research Reveals Anatomy of Suppressed Memories: Study

...showed that two specific regions of the prefrontal cortex -- what neuroscientists call the seat of cognitive control -- appear to work in tandem to modulate posterior brain regions like the visual cortex, the hippocampus and amygdala. These areas are involved in tasks such as visual recall, memory encoding ...

Research into Suppressed Memories Could Help Treatment for Depression

...showed that two specific regions of the prefrontal cortex -- what neuroscientists call the seat of cognitive control -- appear to work in tandem to modulate posterior brain regions like the visual cortex, the hippocampus and amygdala. These areas are involved in tasks such as visual recall, memory encoding ...

Alien Hand Syndrome Causes Random Hand Movement

...eural activity was restricted to the primary motor cortex during the unconscious motor activity seen with AH...ving, the researchers found that the primary motor cortex was selectively activated, with more activity as AHM increased. Voluntary movements also activated t...

Pediatric Use of ADHD Drug may Affect Developing Brain

...lamines and norepinephrine in the rats' prefrontal cortex a part of the mammalian brain responsible for higher executive thinking and decision-making. There were also significant changes in catecholamine function in the hippocampus, a center for memory and learning," Dr. Milner says. The researchers also...

Around the World in 86 Days ... on Motorbike With Double-hand Transplant

...habilitation because after six years, the cerebral cortex had forgotten how to use hands," the police officer said. The bearded Kelz, who looks more like a professor than a bomb expert, talks with his hands and is quite agile, even managing to unbutton his shirt sleeves, albeit with a little difficulty, t...

Scientists Identify Broad Neural Response Behind Speech Reception

...peech sounds, but not the response of the auditory cortex as a whole. During the course of study, the researchers asked volunteers to listen to spoken sentences such as "he held his arms close to his sides and made himself as small as possible," and scanned their brains simultaneously using magnetoencephal...

FDA Approves INTUNIV (guanfacine) for the Treatment of ADHD

...in called the prefrontal cortex. The prefrontal cortex is an area of the brain associated with executive ... agonist strengthens working memory and prefrontal cortex neuronal firing. This research supports the use of guanfacine for the treatment of ADHD....

Estrogen Therapy Protects Against Fading Mental Powers: Study

...trogen had affected the neurons in the pre-frontal cortex - a region of the brain associated with cognitive ...this increase in synaptic spines in the prefrontal cortex in the older estrogen-treated monkeys appears to have prevented age-related cognitive decline," said...

Gene Therapy Awakens the Brain Despite Blindness from Birth

...lly increased responses to light within the visual cortex of the canine brain. They observed the recovery of... of blindness. It was found that, while the visual cortex of the patients did not respond to dim lights, their brain's reaction to brighter lights was compara...

Autistic Individuals can Be 'trained' to Comprehend Visual and Vocal Cues

...in two areas of the brain - the medial prefrontal cortex and right superior temporal gyrus. But when the researchers gave both groups explicit instructions to pay attention to the speaker's facial expression and tone of voice, only the ASD children showed a significant increase in activity in the media...

Our Ancestors Possessed Much Smaller Brains Than It was Thought

...try," said Simons. "We also find that the visual cortex was large, which means that like many primates, this species likely had very acute vision. So the visual sense, which is regarded as a very important feature of anthropoids, or higher primates, had already expanded, he said. The findings appear on...

Link Between Gastric Bypass Surgery and Neurological Conditions

...st regions of the nervous system from the cerebral cortex to the peripheral nerves. Symptoms of the patients in the study included confusion, auditory hallucinations, optic neuropathy, weakness and loss of sensation in the legs, and pain in the feet, among other conditions. None of the patients had prior...

Enriching Environment Stimulates Neurons: Hope For Fragile X Syndrome

...sults of this study demonstrate that in prefrontal cortex of Fragile X knockout mice, excitatory synapses can show lasting increases in synaptic strength, but this requires increased neuronal activity to occur."...

Link Between Food Cue-related Brain Activity Found

...ample, increased connectivity was seen between the cortex and two other regions - the amygdala and the striatum. Within the latter, there was a shift in activity from the outer shell to the inner core of the nucleus accumbens and an increased expression of the opioid-encoding proenkephalin gene. Taken to...

Understanding of Schizophrenia Could Lead to New Treatment Options

...idence suggests that myelination of the prefrontal cortex (a brain area that has been implicated in schizophrenia) occurs not only during infancy and toddlerhood, but also during late adolescence or early adulthood – just when schizophrenia strikes. "We now need to go back to patients with schizophrenia ...

New Light on Working of Brain Networks

...iology professor at Yale. The brain’s prefrontal cortex (PFC) normally is responsible for so-called executive functions. The ability of the PFC to maintain such memory-based functions declines with normal aging, is weakened in people with ADHD, and is severely disrupted in disorders such as schizophrenia ...

Brain Networks Strengthened by Closing Ion Channels

...iology professor at Yale. The brain’s prefrontal cortex (PFC) normally is responsible for so-called executive functions. The ability of the PFC to maintain such memory-based functions declines with normal aging, is weakened in people with ADHD, and is severely disrupted in disorders such as schizophrenia ...

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