Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Appetite-regulating hormones and peptides may be involved in the neurobiology of alcohol craving

Defined as a powerful urge to drink, or intense thoughts about alcohol, is an important contributor to the development and maintenance of alcoholism.

28 May 2007

Research reveals a new mechanism of learning in the brain

Mice genetically engineered to lack a single enzyme in their brains are more adept at learning than their normal cousins, and are quicker to figure out that their environment has changed, a team led by researchers at UT Southwestern Medical Center has found.

28 May 2007

People may need more dietary choline than previously thought

A new study published in the May issue of the American Journal of Clinical Nutrition indicates that the current recommended Adequate Intake (AI) for choline may, in fact, be inadequate for some people.

28 May 2007

Study examines binge drinking and heavy alcohol use among college students

People addicted to alcohol and young adults who are heavy drinkers, but not considered alcoholics, have something in common: they possess poor decision-making skills, according to psychologists at the University of Missouri-Columbia.

28 May 2007

New high-tech rehabilitation device helps stroke patients walk

Among stroke survivors, one common difficulty is foot drop, a partial leg paralysis that prevents the foot from lifting -- causing instability and difficulty walking.

28 May 2007

New gene therapy can nearly eliminate arthritis pain

Early-stage research has found that a new gene therapy can nearly eliminate arthritis pain, and significantly reduce long-term damage to the affected joints, according to a study published today in the journal Arthritis and Rheumatism.

28 May 2007

Endogenous cannabinoids linked to fetal brain damage imposed by maternal cannabis use

A critical step in brain development is governed by endogenous cannabinoids, the brain's own marijuana.

28 May 2007

Reversal of coma with an injection of glue

Neurosurgeons and neuroradiologists at Cedars-Sinai Medical Center injected a biosynthetic “glue” to seal off a spinal fluid leak and restore a comatose patient to consciousness.

28 May 2007

Researchers identify a function of neuregulin1 - impact on schizophrenia

Cold Spring Harbor Laboratory (CSHL) researchers have identified a function of neuregulin1 (NRG1), a gene previously linked to schizophrenia but whose role in the disease was unknown.

28 May 2007

Binge drinking can lead to poor decision making among college students

Researchers know that alcoholics tend to have poorer neurocognitive functioning, including decision making, than non-alcoholics do.

28 May 2007

Researchers observe brain cell development in real time

For the first time anywhere, a researcher at the Hebrew University of Jerusalem has succeeded in observing in vivo the generation of neurons in the brain of a mammal.

28 May 2007

Link between mild infection and hypoxic apnoea

Apnoea and sudden infant death syndrome (SIDS) represent major medical concerns in the neonatal population, and infection may play a crucial role in their pathogenesis.

28 May 2007

Study challenges conventional wisdom about cancer cells

A team of St. Jude investigators challenged conventional wisdom about the eye cancer retinoblastoma by using a mouse model that allowed them to study the tumors as they develop and grow.

27 May 2007

Tracing the path of depression

David Nutt, Professor of Psychopharmacology, said: "The development of one of these radioactive tracers to enable the study of noradrenaline and its related processes in those suffering depression is critical to our proper understanding of this disease.

27 May 2007

Some cancers linked to extremely low frequency electromagnetic fields

The researchers opted to study this group, because railway workers in Switzerland tend to change jobs infrequently and are exposed to much higher levels of electromagnetic field radiation than the general population.

24 May 2007

New adult brain cells may be central to lifelong learning

The steady formation of new brain cells in adults may represent more than merely a patching up of aging brains, a new study has shown.

24 May 2007

Immune antibodies penetrate neurons to clear Alzheimer's-linked amyloid

Researchers at Weill Cornell Medical College have gotten much closer to understanding how immune-based therapies can treat Alzheimer's disease -- by studying how antibodies go inside brain cells to reduce levels of Alzheimer's-linked amyloid peptides that form plaques between neurons.

24 May 2007

Visual short-term memory capacity drops following sleep deprivation

When an air traffic controller at the end of a double shift forgets the location of an aircraft that had recently appeared on his screen, it may be that he did not properly take in the visual information.

24 May 2007

Check and balance for neuron activity provides insight into schizophrenia, seizures

Two genes important for human development and implicated in cancer and schizophrenia also help keep a healthy balance between excitation and inhibition of brain cells, researchers say.

24 May 2007

New adult nerves have a deeper role than simply replacing dead ones

You may not be able to relive your youth, but part of your brain can. Johns Hopkins researchers have found that newly made nerves in an adult brain's learning center experience a one-month period when they are just as active as the nerves in a developing child.

24 May 2007