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neurochemical in Medical News

Primary Insomnia Tied to Brain Neurochemical Imbalance

Finding suggests complaint of a 'racing mind' is not just in patient's head MONDAY, Nov. 3 (HealthDay News) -- Adults with primary insomnia have a specific neurochemical imbalance that makes it more difficult for their brains to settle down for sleep, a new study says. People with ...

Study links primary insomnia to a neurochemical abnormality in young and middle-aged adults

Westchester, Ill. A study in the Nov. 1 issue of the journal Sleep is the first demonstration of a specific neurochemical abnormality in adults with primary insomnia, providing greater insight to the limited understanding of the condition's pathology. Results indicate that gamma-aminobutyri...

Study Refutes Depression Gene Finding

...chiatry and Behavioral Science. A 2003 study published in the journal Science reported that a mutation on a gene involved in the transport of the neurochemical serotonin increased the risk of depression, but only in people who had suffered numerous stressful events. Serotonin is a neurotransmitter known to...

In Some Insomnia Patients, Brain Just Won't Shut Down

... Abnormal levels of a neurochemical are linked to sleep disorder, study finds ...thDay News) -- Adults with primary insomnia have a neurochemical abnormality that makes it difficult to "shut down"...hat primary insomnia is associated with a specific neurochemical deficiency helps validate the often-misunderstood ...

Five UCSF Scientists Elected to National Academy of Sciences

...easurement of optical and metabolic signals related to neural activity, including 2-photon microscopy and intrinsic signal imaging, and anatomical and neurochemical tracing of connections. Weissman's lab studies the cellular machinery that ensures proper protein folding, and the consequences of protein misfold...

Wayne State University and Children's Hospital of Michigan Research Team Discover Chemical That Plays a Major Role in Pediatric Obsessive-Compulsive Disorder

...is paper continues the team's study of pediatric OCD patients is the first published report examining the relationship between genetic variation and a neurochemical phenotype in OCD. This study found that there is a significant association between variation in a key glutamate receptor gene and glutamate levels in...

CAMH scientist first psychiatrist to win Royal College Medal Award in Medicine

... Dr. Jeffrey Meyer, and Head of neurochemical Imaging in the Mood Disorders at the Centre for Addiction and Mental Health (CAMH), is the first psychiatrist to be honoured with the Royal College Me...

UVA researchers uncover gene's role in severity of drinking

... found that individuals with the 'G' allele of this variant drink less than individuals with the 'T' allele." Previous studies have shown that the neurochemical serotonin mediates the rewarding effects of alcohol and, therefore, may be a key contributor leading to alcohol abuse. Studies also show that the bra...

UT Southwestern researchers discover brain's memory 'buffer' in single cells

...es to measure the memory formation process. To further understand how this short-term memory process relates to addiction, researchers applied the neurochemical dopamine to the memory buffer nerve cells. Dopamine is normally needed at an optimal level for an individual to focus attention and engage in fast dec...

Honey Bees on Cocaine 'Dance' When Food Is Found

...l Biology , supports the theory of a reward system in an insect's brain and altruism in the bee world. Cocaine affects the transit of octopamine, a neurochemical that's abundant in the brains of foraging honey bees. A previous study showed octopamine causes the bees to increase their dancing even when it is not...
neurochemical in Medical Dictionary

Hypochondriasis

...e belief and fear of serious illness which lasts for six ... Overview: Hypochondriasis and the other somatoform disorders are among the most ... neurochemical deficits associated with hypochondriasis and some other somatoform ... Find videos about Dermatitis Herpetiformis and hundreds of other health-r...

Dystonia

... Dystonia is a neurologic movement disorder characterized by sustained muscle ... Dystonia may be associated with certain nondegenerative, neurochemical disorders ... Early onset dystonia ... This disease begins frequently with dystonia in a limb and with onset under the ... What causes dy...
neurochemical in Biological News

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

...y. A central assumption in neuropsychopharmacology is that all states of mind as well as diseases involving mental or cognitive dysfunction have a neurochemical basis. Thus, the understanding of neurons in the brain is central to understanding the mind, and essential for the understanding and treatment of ment...

American Chemical Society Weekly PressPac -- April 15, 2009

...tical Chemistry , a semi-monthly journal. In the new report, Pier Andrea Serra and colleagues note that the most common method for monitoring brain neurochemical levels is microdialysis, a technique that requires insertion of a relatively big probe into the brain. That technique, however, has several disadvanta...

Honey bees on cocaine dance more, changing ideas about the insect brain

...ar altruism, the "social glue" in all societies, including our own, he said. Robinson's interest in the waggle dance led him to study octopamine, a neurochemical known to be important to insect behavior particularly in regard to movement and eating. "A variety of solitary insects respond to treatment with o...

Brain-nourishing molecule may predict schizophrenia relapse

...ch for the future, if the study results point in that direction," says Dr. Pillai. He also studies an animal model that has many behavioral as well as neurochemical abnormalities similar to schizophrenia. He's shown the downstream signaling of BDNF, a key pathway in the regulation of the inhibitory neurotransmitte...

Circadian clock may be critical for remembering what you learn, Stanford researchers say

...iberian hamsters, also known as dwarf hamsters, are about the size of a mouse. The change in learning retention appears to hinge on the amount of a neurochemical called GABA, which acts to inhibit brain activity. All mammal brains function according to the balance between neurochemicals that excite the brain an...

Obesity predisposition traced to the brain's reward system

...easure. The release of the neurotransmitter dopamine in the mesolimbic system is traditionally associated with euphoria and considered to be the major neurochemical signature of drug addiction. "Baseline dopamine levels were 50 percent lower and stimulated dopamine release was significantly attenuated in the b...

Chemicals used as fire retardants could be harmful, UC-Riverside researchers say

...y the U.S. Environmental Protection Agency as well as internationally by other toxicologists. In a paper to be published in a forthcoming issue of neurochemical Research (the paper is available online ), Curras-Collazo and Coburn, in collaboration with Prasada Rao S. Kodavanti, a senior research toxicologist...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...tudy confirmed the Morcos laboratory’s earlier findings of improved memory in this mouse model of Alzheimer’s and discovered new information about the neurochemical basis of the beneficial effects. Various studies have found evidence of a strong relationship between memory deficits and high levels of cholesterol i...

Does amateur boxing cause brain damage?

...eased levels of biochemical markers for brain damage in cerebrospinal fluid were found. "This data shows headings in soccer is not associated with any neurochemical evidence of brain damage," said Hietala. ...

New study examines 'brain's own marijuana'

... will examine the relationships between stress, stress-related behavior and addiction using a combination of electrophysiological, pharmacological and neurochemical approaches. They believe this study also may lay the foundation for better pharmacotherapy for stress-related mood disorders. Wood is an associate pro...
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