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Cortex in Medical News

Activation of the prefrontal cortex improves working memory

This release is available in Spanish . Psychologists and neurologists invest considerable effort in the study of working memory. In terms of information retention, there is a difference between long-term memory, which is affected in diseases such as Alzheimer, and short-term or working me...

Gene That Creates Cerebral Cortex Discovered

Could led to treatments for neurological damage from injuries, disease THURSDAY, Jan. 17 (HealthDay News) -- Researchers have identified the gene responsible for creating the brain's thinking center, in a finding that could one day help people with brain injuries and neurodegenerative diseases....

Selective attention increases both gain and feature selectivity of the human auditory cortex

On Sept. 19, a research report by Helsinki University of Technology, Laboratory of Computational Engineering scientists will appear in the online, open-access journal PLoS ONE, showing that selective attention increases both gain and feature selectivity of the human auditory cortex. The ability...

Chronic Facial Pain Tackled By Cortex Stimulation

In Canada, a treatment developed at selected medical centers successfully treats patients suffering from severe chronic facial pain. // Motor cortex stimulation a new experimental treatments, can be now used to treat a consistent or intermittent pain rather than believing on the older tradition...

Scientists breaking theory of cortex formation

Researchers from MIT and University of California are finding out a new theory on the formation of brain cortex through a rich array of signals which connect other brain regions forming a new processing network//. The cerebral cortex is a sheet of around 10 billion neurons divided into distinct...

Abnormal Brain Circuits May Prevent Movement Disorder

...two discrete areas along the pathway that links the cerebellum to the motor cortex that together determine whether a mutation carrier will display clinical ma...e cerebellum (a region that controls movement) puts the breaks on the motor cortex by potentiating inhibition at the cortical level. It is likely that mutatio...
Cortex in Medical Technology

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

...-2A adrenergic receptors located in the prefrontal cortex - an area of the brain that has been linked to ADH... agonist strengthens working memory and prefrontal cortex neuronal firing.(6) This research supports the use... of alpha-1 adrenergic agonist into the prefrontal cortex impairs spatial working memory performance in monk...

Shire Announces Study Results of the Effects of INTUNIV(TM) (Guanfacine) Extended Release on Secondary Measures in Children with ADHD and Oppositional Symptoms

...a-2A adrenergic receptors located in the prefrontal cortex. The prefrontal cortex is an area of the brain associated with working memory, behavioral inhibiti...s this selective alpha-2A agonist strengthens working memory and prefrontal cortex neuronal firing. This research supports the use of guanfacine for the trea...

Adlyfe Strikes Translational Medicine Partnership With Wyeth Pharmaceuticals for Alzheimer's Biomarker Assay

...rontal and temporal lobes of the brain. This pathological process consists principally of neuronal loss or atrophy, principally in the temporoparietal cortex but also in the frontal cortex, together with an inflammatory response to the deposition of amyloid plaques and neurofibrillary tangles. According to ...

Stress-Related Disorders Affect Brain's Processing of Memory

... with the patient's life." Dr. Agarwal and colleagues used brain fMRI to explore alterations in the neural circuitry that links the prefrontal cortex to the hippocampus, while study participants performed a memory task. Participants included 11 patients with major depression, 13 with generalized anx...

Findings on Bladder-Brain Link May Point to Better Treatments for Problems in Sleep, Attention

...ephalogram (EEG) recorded from the cortex, the broad mass of the brain that governs higher-level functions. In people, abnormally high activity in the cortex may result in disordered sleep, anxiety and difficulty in concentrating. Valentino said further studies are necessary to analyze the direct connecti...

NARSAD Researchers Identify Specific Genes and Family Traits Linked to Schizophrenia, Bipolar Disorder and Depression

...In individuals who carry the risk variants of both MTHFR and COMT, lower-than-normal levels of dopamine in the part of the brain called the prefrontal cortex may cause problems with information processing and working memory. Using functional neuroimaging, Dr. Roffman and his colleagues also found that the s...
Cortex in Medical Products

J Cortex Extrator - Angled Right

Description: ...
Company:Hurricane Medical

J Cortex Extrator - Angled Left

Description: ...
Company:Hurricane Medical

BD Visitec Cortex Extractors

Description: ...
Company:BD Ophthalmics

Aldosterone RIA Test

Description:... Aldosterone is produced in the adrenal cortex and is the most potent mineralocorticoid in humans. Aldosterone secretion appears to be stimulated primarily through the renin-angiotensin system, in ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA RIA Test

Description:... Dehydroepiandrosterone (DHEA) is produced in the adrenal cortex and, to a lesser extent, the gonads [1,2,3]. DHEA serves as a precursor in testosterone and estrogen synthesis, and has relatively weak androgenic act...
Company:Diagnostic Systems Laboratories, Inc.

DHEA EIA Test

Description:... Dehydroepiandrosterone (DHEA) is produced in the adrenal cortex and, to a lesser extent, the gonads [1,2,3]. DHEA serves as a precursor in testosterone and estrogen synthesis, and has relatively weak androgenic act...
Company:Diagnostic Systems Laboratories, Inc.
Cortex in Medical Definition

Depolarization-induced suppression of inhibition

...cells in the cerebellum, DSI is a pretty ubiquitous phenomenon and has been demonstrated in other areas of the brain such as the basal ganglia , the cortex , the amygdala , and the hypothalamus (Katona et al. 2001, Jo et al. 2005, Bodor et al. 2005, Matyas et al. 2006) DSI mediation by...

Episodic memory

...ee the hippocampus and memory . The prefrontal cortex (and in particular the left hemisphere ) is also... encoding). Patients with damage to the prefrontal cortex can learn new information, but tend to do so in a ...89 ). Some researchers believe that the prefrontal cortex helps organize information for more efficient stor...

Hyperesthesia

...cessive consumption of caffeine can temporarily induce this condition in humans, [1] due to excessive stimulaton of the spinal cord, as well as the cortex and medulla in the central nervous system. However, this is far from the only cause, and usually wears off after 3-5 hours. In animals Hyp...

Neuropsychiatry

...eelings of homosexuality NMDA receptor activation in the human prefrontal cortex Ross et al (2006) Visual hallucination - retinogeniculocalcar...er and Treasure (2005) Bipolar disorder Narcissistic Prefrontal cortex and hippocampus, anterior cingulate, amygdala Barrett et al (2003), Vawte...

Thymocyte

...age Progenitor) Lineage- CD44 + CD25 - CD117 + cortex - Double negative 2 Lineage-CD44+CD25+CD117+ cortex - Double negative 3 Lineage-CD44-CD25+ cortex TCR beta rearrangement Double negative 4 ...
Cortex in Medical Dictionary

Vesicles

...nflux of calcium caused by the ... Isolation of Brush-Border Membrane Vesicles . Brush-border membrane vesicles (BBMVs) from human kidney cortex were prepared as ... Vesicles or other bodies in the cytoplasm move macromolecules or large particles ... Vesicles often migrate to and merge ...

Ureter

...on· Bladder Injuries· Kidney Injuries· Ureteral Injuries·Urethral Injuries ... ureter . urethra. Most urethral injuries occur in men. ... renal cortex n. The part of the kidney containing the glomeruli and ... Where the renal artery ureter and the renal vein enter or leave the kidney is...

Thymus

...uriously, when the thymus is removed from adult mammals, ... thymus develops ... The thymus is divided into two distinct compartments, the outer cortex ... The thymus is a small organ in your upper chest, under your breastbone. ... Can Cancer of the Thymus Be Found Early?(American Cancer Soc...

Temporal

...pects of time varying values. The Temporal power of the Popes of the Roman Catholic Church ... The temporal lobe is a region of the cerebral cortex that is located beneath the Sylvian fissure on both the left and right hemispheres of the brain. Definition of temporal from the Merriam-W...

Progesterone

...prised of women, doctors, health professionals, and national organization dedicated to helping women achieve ... Progesterone is produced in the cortex of the adrenal glands in both sexes as ... Additionally, small amounts of progesterone are ... Low cost bone density evaluation for osteoporo...

Pedicle

...high body mass index ... Discussion: Evaluation of pedicle screw placement is difficult even in experienced hands. ... Medially, the pedicle cortex is separated from the dural sac by a ... Pedicle screw systems engage all three columns of the spine and can resist motion in all planes. ... ...
Cortex in Biological News

Neural mechanisms of value bias in the human visual cortex

New research demonstrates that bias toward a potentially more valuable outcome can influence how visual information is processed in the human brain. The study, published by Cell Press in the December 26th issue of the journal Neuron , provides insight into how the visual centers encode more valua...

MIT researcher presents new view of how the cortex forms

A leading neuroscientist at MIT and one from the University of California at San Francisco (UCSF) report in the Nov. 4 special issue of Science dedicated to the brain that the controversy is over: The "protomap" and "protocortex" theories of brain development are dead. The cerebral cortex is a sh...

Human cerebellum and cortex age in very different ways

Researchers have found that the two primary areas of the human brain appear to age in radically different ways: The cortex used in higher-level thought undergoes more extensive changes with age than the cerebellum, which regulates basic processes such as heartbeat, breathing and balance. Their work...

Abnormal brain circuits may prevent movement disorder

...two discrete areas along the pathway that links the cerebellum to the motor cortex that together determine whether a mutation carrier will display clinical ma...e cerebellum (a region that controls movement) puts the breaks on the motor cortex by potentiating inhibition at the cortical level. It is likely that mutatio...

Brain difference in psychopaths identified

...psychopathy. Such areas of the brain were identified as the amygdale, ie the area associated with emotions, fear and aggression, and the orbitofrontal cortex (OFC), the region which deals with decision making. There is a white matter tract that connects the amygdala and OFC, which is called the uncinate fas...

Short stressful events may improve working memory

...s depending on glutamate receptor-mediated excitatory signals in prefrontal cortex circuits." The investigators have expanded this research in several dire...t chronic stress suppresses the transmission of glutamate in the prefrontal cortex of male rodents, which is opposite to the facilitating effect of acute stre...

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Cortex in Biological Technology

Discovery of 'creator' gene for cerebral cortex points to potential stem cell treatments

Irvine, Calif. University of California, Irvine researchers have identified a gene that is specifically responsible for generating the cerebral cortex, a finding that could lead to stem cell therapies to treat brain injuries and diseases such as stroke and Alzheimers. Dr. Edwin Monuki, doctora...

Quantitation of GAD67 Gene Expression in Prefrontal Cortex of Schizophrenia Patients Using the iCycler iQ Detection System and Molecular Beacons, Rev A

Stella Dracheva, Bronx VA Medical Center, Psychiatry Research, 130 West Kingsbridge Road, Bronx, NY 10468 USA Introduction Schizophrenia is a severe mental illness that afflicts about 1% of the population (Strange 1992). Patients ...

Practice makes perfect -- motor memory possible for neuroprosthetic control

...laboratory, used a mathematical model, or "decoder." The decoder, analogous to a simplified spinal cord, translated the signals from the brain's motor cortex into movement of the cursor. It took about four to five days of practice for the monkeys to master precise control of the cursor. Once they did, t...

Delcath Adds Senior Pharmaceutical Professional to Its Board of Directors

..., Inc. (Nasdaq: DCTH ) today announced the appointment of Roger G. Stoll, Ph.D. to Delcath's Board of Directors. Dr. Stoll is Executive Chairman of cortex Pharmaceuticals, Inc. (Amex: COR ), a biotechnology company specializing in the treatment of central nervous system disorders. (Logo: h...

World Market for Biotechnology Reagents to Reach $32.5 Billion by 2012, According to New Report by Global Industry Analysts, Inc.

...tplace include Abbott Diagnostics, Applied Biosystems, Beckman Coulter Inc., Becton Dickinson and Company, Biomerieux SA, Chemicon International Inc., cortex Biochem Inc., EMD Biosciences Inc., GE Healthcare, Invitrogen Corporation, Ortho-Clinical Diagnostics, PerkinElmer Inc., Promega Corporation, Roche Di...

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

.... In this case, electrodes implanted in the motor cortex were connected via external circuitry to a compute.... Here, the researchers discovered that any motor cortex cell, regardless of whether it had been previously...e able to establish a connection between the motor cortex and sites in the spinal cord below the injury, peo...
Cortex in Biological Products

PARP Inhibitor XI, DR2313 from Calbiochem

Description:...a toxin even at concentrations as high as 10 µM. Shown to inhibit H 2 O 2 -induced PAR formation and neuronal cell death in primary rat cerebral cortex culture in vitro (EC 50 = 270 nM) and exhibit neuroprotective effects in both permanent and transient focal ischemia models in rat in in vivo . P...
Company:Calbiochem

Mouse Anti-Rat Pan-NMDA NR1 Monoclonal Antibody, Unconjugated, Clone R1JHL from Calbiochem

Description:... Recognizes the ~115 kDa NMDA receptor NR1 subunit in rat cortex tissue extracts....
Company:Calbiochem

Anti-JIP 1 / 2 (SH3) Polyclonal Antibody, Unconjugated, Clone ZMD.177 from Invitrogen

Description:...s been identified in brain and kidney tissues while JIP2a, JIP2b, and JIP3 are specifically expressed in the brain, particularly in the adult cerebral cortex and hippocampus. All JIP1 isoforms inhibit JNK signaling when overexpressed. A recent study has discovered a direct interaction between JIP1 and amy...
Company:Invitrogen
Cortex in Biological Definition

Biological psychology

...uroscience and psychology . Practitioners of biological psychology may use their knowledge of the brain , from neurotransmitters to the cerebral cortex to treat their patients. Others may use this knowledge to search for biological causes for common mental illnesses, such as depression and schizop...

Brain

...erized by increasing complexity in the cerebral cortex as one moves up the phylogenetic and evolution... 1: olfactory bulb 2: cerebral cortex 3: cerebellum 4: medulla oblongata ...hite matter. Most regions of the human cerebral cortex have six layers of neurons, a structure known as ...

Down syndrome

...both Down syndrome and Alzheimer's individuals. Layer II of the entorhinal cortex and the subiculum , both critical for memory consolidation , are among th...the damage. A gradual decrease in the number of nerve cells throughout the cortex follows. A few years ago, Johns Hopkins scientists created a genetically...

Homunculus

...ry space our body parts represent on the cerebral cortex . The lips, hands, feet and sex organs are conside...mages on the retinas are transferred to the visual cortex where it is scanned. Again this cannot be a full e...y an android from the future, with the cerebral cortex of a pig . In many Role-playing games , a H...

Hormone

...rred to as proteins. Examples of protein hormones include insulin and growth hormone. Steroid hormones are derived from cholesterol . The adrenal cortex and the gonads are primary sources. Examples of steroid hormones are testosterone and cortisol . Sterol hormones such as calcitriol are a homolog...

Kidney

... Organization The outermost portion of the kidney is called the renal cortex , deep to which lies the renal medulla . The innermost portion is the pel... Terms renal capsule : The membranous covering of the kidney. cortex : The outer layer over the internal medulla. It contains blood vessels, gl...
Cortex in Biological Dictionary

Cortex

The cerebral cortex is a structure within the brain that plays a key role in memory, attention, perceptual awareness, thought, language, and consciousness. It constitutes the outermost layer of the cerebrum. In preserved... Look up cortex in Wiktionary, the free dictionary. ... Adrenal c...

Thymus gland

...riously, when the thymus is removed from adult mammals, ... thymus develops ... The thymus is divided into two distinct compartments, the outer cortex ... A review of the thymus . Covers what the thymus does and what happens to this gland as you get older. ... If you have a thymus gland ...

Thalamus

... The thalamus is a midline paired symmetrical structure within the brain of vertebrate animals, including humans. It is between the cerebral cortex and the midbrain, both in terms of its location and its neurological... thalamus n. , pl. -mi ( ). Anatomy. A large ovoid mass of gray matter si...

Striate

...striate usage examples and striate quotes. ... cortex: If the striate cortex is damaged in animals or humans, the ... to striate (third-person s...ies of striate lespedeza, which ... The primary visual, or striate , cortex is a far more complex and elaborate ... begin by saying something about th...

Renal veins

...thrombosis - All Information, Renal vein thrombosis is a blood clot that develops in the vein that drains blood from the kidney. The renal cortex is drained sequentially by the interlobular veins , arcuate ... In addition, multiple renal veins are seen in approximately 15 percent of the .....

Pericycle

...nternal cells of the pericycle . ... A small group of pericycle cells reorient their axis of polarity to the radial ... A. epidermis B. cortex C. endodermis D. pericycle ... D. pericycle * Which of the following plants has a single ring of ... A. It is found of the pericycle ... E...
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