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Cortical in Medical News

Abnormal Brain Circuits May Prevent Movement Disorder

...the first lesion. Normally, the cerebellum (a region that controls movement) puts the breaks on the motor cortex by potentiating inhibition at the cortical level. It is likely that mutation carriers have a developmental problem in the flow of neural signals along this circuit such that the brain can't inh...

New study pinpoints difference in the way children with autism learn new behaviors

... may study if patterns of motor learning can be altered to increase visual connections in specific regions of the brain. Through interventions such as cortical stimulation, biofeedback and behavioral approaches, researchers are looking to investigate if there is an improvement in children with autism's abilit...

Study gives clues to how adrenal cancer forms

...mere dysfunction may be the basis for the genomic changes we see in adrenal cortical cancer and other malignancies," says study author Tobias Else, M.D., a post-doctoral fellow and Garry Betty Scholar in Adrenal cortical Cancer Research at the U-M Comprehensive Cancer Center. Adrenal cancer i...

People who wear rose-colored glasses see more, University of Toronto study shows

...g at specific parts of the brain -- the parahippocampal "place area" -- that are known to process places and how this area relates to primary visual cortical responses, the first part of the cortex related to vision. Images from the experiment are at http://aclab.ca "Under positive moods, people may pro...

Brain Stimulation Therapy Eases Tough-to-Treat Depression

...DAY, May 7 (HealthDay News) -- A technique called cortical brain stimulation improved symptoms and, in some c...ry, very sick people who were out of options." cortical stimulation, which involves placing electrodes nea...ssion were randomly assigned to receive 8 weeks of cortical stimulation of the left dorsolateral prefrontal co...

Five UCSF Scientists Elected to National Academy of Sciences

...genes or visual experience or by pharmacological or neurophysiological intervention in order to discover what cellular mechanisms and what changes in cortical circuitry are responsible for rapid, long lasting changes in neuronal responses. They analyze these changes using microelectrode recordings, novel tec...
Cortical in Medical Technology

FDA Issues Complete Response Letter for INTUNIV(TM) (guanfacine) Extended Release for the Treatment of ADHD in Children and Adolescents

...in prefrontal cortex. Cell. 2007;129:397-410. 7. Arnsten AF, Li BM. Neurobiology of executive functions: catecholamine influences on prefrontal cortical functions. Biol Psychiatry. 2005; 57:1377-1385. 8. Steere JC, Arnsten AFT. The alpha-2A noradrenergic agonist, guanfacine, improves visual obje...

ExonHit Therapeutics Reports Advancements in the Clinical Development of EHT 0202, its Phase II Drug for Alzheimer's Disease

...and aged healthy volunteers; importantly, no sedation or emesis were observed clinically. Preclinical studies have shown that EHT 0202 protects cortical neurons against Abeta42-induced stress and that this neuroprotection is associated with sAPPalpha induction. EHT 0202 has also demonstrated pro-cognit...

New Research Provides Evidence that Tea May Improve Attention and Focus, Keep Brain Cells Healthy, & Influence Genetics in Cancer

...orks of the brain. "Our results show that after having theanine, individuals had significant improvements in tests for attention, and that activity in cortical regions responsible for attention functions was enhanced," said author John Foxe, Ph.D., Professor of Neuroscience, Biology and Psychology at City Col...

Feeling Anxious or Distracted? New Research Shows a Cup of Tea Could Help

...terized tasks. "Our results showed that after having theanine, individuals showed significant improvements in tests for attention and that activity in cortical regions responsible for attention functions was enhanced," said Dr. Foxe. New research in Dr. Foxe's laboratory, the Cognitive Neurophysiology Labora...

UCLA: Lithium Builds Gray Matter in Bipolar Brains, UCLA Study Shows

...total, this new image analysis allows researchers to examine differences in cortical anatomy at a much greater spatial resolution. In this study, Bearden an...d by lithium treatment. Specifically, they employed high-resolution MRI and cortical pattern-matching methods to map gray matter differences in 28 adults with b...
Cortical in Medical Products

Ojemann Cortical Stimulator

Description: Designed in collaboration with Dr. George Ojemann at the University of Washington, the Ojemann Cortical Stimulator is the industry standard for cortical stimulation mapping procedures. This portable, constant current unit has simple, uncomplicated controls and current settings suitable for use in t...
Company:Integra LifeSciences Corporation

Cortac Cortical Electrodes

Description: ...
Company:PMT/Permark, Inc.

D185 MultiPulse Cortical Stimulator

Description: The D185 is the only stimulator with FDA clearance for this application. The D185 allows transcranial motor evoked potentials to be used in surgical procedures such as scoliosis correction, spinal tumor resection and thoraco-abdominal aortic aneurysm (TAAA) repair....
Company:Digitimer Ltd.

PRECISION GRAFT Machined Cortical Ring

Description: An all-cortical structure provides the structural benefits of cortical bone. Precision machined to exact specifications to promote healthy lordosis and vertebral body distraction....
Company:Regeneration Technologies, Inc.

Demineralized Cortical Powder, DGC40

Description: Demineralized Freeze-dried Bone Allograft (DFDBA) processed from cortical bone. Demineralized cortical powder is free of all soft tissue....
Company:LifeNet

Demineralized Cortical Powder, DGC20

Description: Demineralized Freeze-dried Bone Allograft (DFDBA) processed from cortical bone. Demineralized cortical powder is free of all soft tissue....
Company:LifeNet

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Cortical in Medical Definition

Depolarization-induced suppression of inhibition

...brane, a fundamental constituent of all cells. DSI is therefore the primary cortical process mediated by the endocannabinoids, and may contribute to many forms of cortical plasticity and synaptic strengthening, such as in long-term potentiation ...

Heterotopia (medicine)

...with heterotopic grey matter almost always have seizure disorders . Heterotopia is often divided into three groups: subependymal heterotopia, focal cortical heterotopia and band heterotopia. External links vii/h/HETEROTOPIA article at GE's Medcyclopaedia ...
Cortical in Medical Dictionary

Osteomalacia

...eomalacia is a disorder in which the structural and metabolic functions of ... Osteomalacia should be suspected in patients with typical ribbonlike cortical ... Osteomalacia is a condition which affects the skeleton. ... In children, osteomalacia is called rickets. ... is rarely seen but osteomala...

Mastoid

...e, the majority being squamous cell carcinomas. ... The mastoid swelling was hyperaemic, tender and warm. ... Following insertion, mastoid cortical bone pate was used to fill the osteotomy ... The EAC was packed firmly with moist Gelfoam, and a mastoid dressing was placed. ... Mastoid . O...

General paresis

...aused by damage to the brain from untreated syphilis. Parenchymatous neurosyphilis in which chronic meningoencephalitis causes gradual loss of cortical function, resulting in progressive dementia and generalized ... ...

Adrenocortical carcinoma

... Adrenocortical carcinoma , also adrenal cortical carcinoma (ACC) and adrenal cortex cancer, is an aggressive cancer originating in the cortex of the adrenal gland. Adrenocortical carcinoma is...
Cortical in Biological News

Abnormal brain circuits may prevent movement disorder

...the first lesion. Normally, the cerebellum (a region that controls movement) puts the breaks on the motor cortex by potentiating inhibition at the cortical level. It is likely that mutation carriers have a developmental problem in the flow of neural signals along this circuit such that the brain can't inh...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

...n fresh and frozen grafts. The scientists used the cortical grafting technique, where very thin slices of tiss...t available in most reproductive centres. With the cortical grafting technique, ischemia time for revascularis...deleterious effect of freezing. However, very thin cortical slices not only allow the tissue to be frozen by v...

Rutgers research tackles childhood epilepsy

...rticle describes the first use of a mouse model of cortical dysplasia, a malformation of the brain that is mos...y surgery cases (patients under age 18) are due to cortical dysplasia. A staggering 75 percent of surgery pati...ng molecular, cellular and physiological traits of cortical dysplasia. The researchers treated the mice with r...

How an enzyme tells stem cells which way to divide

...essor in the chemistry department and member of the UO's Institute of Molecular Biology. When a stem cell duplicates into daughter cells, the side, or cortical domain, containing aPKC (atypical protein kinase C) continues as a stem cell, while the other domain with Miranda becomes a differentiated cell such a...

Preclinical work shows how one gene causes severe mental retardation

...tor, said that perhaps some of these developmental brain disorders are a form of social and cognitive blindness. In a condition known as amblyopia, or cortical blindness, the eye can function normally, but past a critical period, the brain cannot process the sensory input correctly. "We think that childre...

Penn research team tests bedside monitoring of brain blood flow and metabolism in stroke victims

...the western hemisphere and about 5 percent of health-care costs. The device being developed uses embedded optical probes that are placed over major cortical blood vessels in each hemisphere of the brain. The technology, diffuse correlation spectroscopy is a non-invasive system that uses lasers, photon-coun...
Cortical in Biological Technology

Oprah, Luke Skywalker and Maradona -- new study investigates how our brains respond to them

...tance by hearing or reading her name. Brain imaging studies have identified cortical areas in the human temporal lobe that are selective to voices and words. Ho... processing of visual and auditory information follows completely different cortical pathways in the brain, but we are showing that this information converges i...

Blackrock Microsystems Obtains Expanded 510(k) to Market NeuroPort System

...oPort Biopotential Neural Signal Processor (NeuroPort System) to be used with electrodes supplied by users, as well as with the implantable NeuroPort cortical Microelectrode Array (NeuroPort Array) covered by a previous 510(k). In addition, the new 510(k) for the NeuroPort System has been expanded to include...

Smith & Nephew Endoscopy Launches the BICEPTOR(TM) Tenodesis System, the First All-Arthroscopic Procedure for Biceps Tendon Repair

... The BIOSURE PK Interference Screw is molded from PEEK(R) by Invibio, a polymer whose strength, stiffness and biocompatibility are similar to those of cortical bone. The screw's tapered shape and thread pattern compress the tendon tissue against the walls of the bone tunnel, providing multiple potential attac...

Scientists restore movement to paralyzed limbs through artificial brain-muscle connections

...tant next step will be to increase the number of direct connections between cortical cells and muscles to control coordinated activation of muscles," says Dr. F...t least a decade away, according to Dr. Fetz. Better methods for recording cortical neurons and for controlling multiple muscles must be developed, along with ...

Researchers decode viral process that prepares cells for HIV infection

...filin. The protein is then used to cut through the cortical actin cytoskeleton (the circular layer that lies j...hat activates cofilin, which cuts and modifies the cortical actin cytoskeleton and permits the virus to cross ...iral interaction with, or viral alteration of, the cortical actin cytoskeleton. "Now we have a basic under...

New map IDs the core of the human brain

...rried out a computational analysis trying to identify regions of the brain that played a more central role in the connectivity, serving as hubs in the cortical network. Surprisingly, these analyses revealed a single highly and densely connected structural core in the brain of all participants. "We found t...
Cortical in Biological Products

Terminal deoxynucleotidyl transferase (TdT) Immunofluorescence Assay Kit from AbD Serotec

Description:... Terminal deoxynucleotidyl transferase (TdT) is an intracellular marker normally present at high levels in cortical thymocytes and minor subpopulation of bone marrow prelymphocytes. Elevated levels of the enzyme and increased numbers of TdT cells are found to be ass...
Company:AbD Serotec

Mouse Dopaminergic Neuron Differentiation Kit, 2nd Generation from R&D Systems

Description:... rise to extensive forebrain dopamine innervation ( e.g.projections to the caudate nucleus, putamen nucleus accumbens, olfactory tubercle, and several cortical regions and limbic regions, including the amygdala, lateral septum and ventral hippocampus). The basic organization of midbrain dopamine neurons and t...
Company:R&D Systems
Cortical in Biological Definition

Bone

...Bone can be either compact or cancellous (spongy). cortical (outer layer) bone is compact; the two terms are often used interchangeably. cortical bone makes up a large portion of skeletal mass; bu...ostly cancellous bone covered by a relatively thin cortical of compact bone. In children, the bones are fille...

Brain

...any source can trigger a general arousal process that decreases reliance on cortical processes, or that enhances and focuses cortical processes. Such diverse causes as hunger, fatigue, beliefs, unfamiliar info...

Capacitation

...e male. Historically, the term "capacitation" has evolved in meaning and this should be taken into account when consulting sources. See also cortical reaction Acrosome reaction Reference Beaudin, Stacey; Kipta, Donna; and Orr, Annamarie. (October 9, 1996). Current research into sperm...

Kidney

...s by osmosis. Fluid flows from the distal convoluted tubule into the collecting duct system , which consists of: the connecting tubule the cortical collecting duct the medullary collecting duct . The site where the ascending loop of Henle touches the afferent arteriole, is called the jux...

Neuroscience

... levels of study, from the molecular level through the cellular level (individual neurons ), the level of relatively small assemblies of neurons like cortical columns, that of larger subsystems like that which subserves visual perception , up to large systems like the cerebral cortex or the cerebellum , ...

T cell

...eper in the cortex, where they get presented with self and foreign antigens in a complex with type I and type II MHC molecules by type II and type III cortical epithelioreticular cells . Only those cells that recognize the antigen presented and bind the MHC molecule with the affinity high enough, survive. Ot...
Cortical in Biological Dictionary

T cell

...RAZR V3t Black ... T cell development occurs in the thymus; the thymic microenvironment directs ... T cell precursors enter the subcapsular cortical areas, where they encounter ... Yet, these T cells do not attack healthy parts of the body itself, nor even ... T cell subsets ... differen...

Rhizoid

...r outgrowth of root epidermal cells of vascular plants. ... Root hairs are a specialized form of rhizoid . ... The rhizoid pole is marked by a cortical patch of dynamic actin that repositions ... Preferential accumulation at the presumptive rhizoid was first detectable at 4 h ... Cell-sheet and...

Periderm

... phellogen or cork cambium, phellem or ... Phellogen has developed in the cortical tissue and the epidermis ... Lenticel formation begins during the de...rganization Directory Events Calendar ... periderm . periderm . An outer, cortical protective layer of many roots and stems that typically ... periderm ...

Neuron

...ould have, and a few ... Neuron summary with 79 pages of encyclopedia entries, essays, summaries, research information, and more. ... The typical cortical neuron depicted in Figure 1 ... Neurons are the basic building blocks of the nervous system. ... There are three basic parts of a neuron : the...

Microfilament

...ament -mediated process. ... does not occur in oocytes pretreated with microfilament ... membrane and directing microfilament orientation for. the cortical ... ...

Endodermis

...ex ( in cortex (plant tissue); ...oils, and tannins. In roots and in some herbaceous stems but not usually in woody stems, the innermost layer of cortical cells is differentiated into a cell layer called the endodermis . The cell walls of the... GardenWeb Shopping Organization Directory Events ...
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