Neuroscience News and Research

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Number of color-sensitive cones in the human retina differs dramatically among people

First-ever images of living human retinas have yielded a surprise about how we perceive our world.

25 Oct 2005

St. John's wort plant has the capacity to inhibit expression of the HIV-1 gene

A novel protein, p27SJ, extracted from a callus culture of the St. John's wort plant (Hypericum perforatum) suppresses HIV-1 expression and inhibits its replication, according to researchers at Temple University School of Medicine's department of neuroscience and Center for Neurovirology (CNV).

24 Oct 2005

Faulty gene may identify those at risk of schizophrenia

Scientists believe they have discovered a genetic defect which could help explain the biological basis of schizophrenia.

24 Oct 2005

Teens with missing part of a chromosome confirm genetic role in schizophrenia

A study in youth who are missing part of a chromosome is further implicating a suspect gene in schizophrenia.

23 Oct 2005

Dopamine link to psychiatric and neurological disorders

A gene that regulates dopamine levels in the brain is involved in the development of schizophrenia in children at high risk for the disorder, say researchers at the Stanford University School of Medicine, Lucile Packard Children's Hospital and the University of Geneva.

23 Oct 2005

Intravenous lidocaine and oral derivatives relieve pain from damage to the nervous system

Lidocaine and similar local anesthetics are effective for treating pain that emanates from damaged nerves, according to a systematic review of current evidence.

23 Oct 2005

Aβ and Fyn cooperate to cause Alzheimer-like changes in the brain

Reporting in two companion papers in the October 19 issue of the Journal of Neuroscience, investigators from the Gladstone Institute of Neurological Disease show in genetically engineered mouse models of the disease that the accumulation of Alzheimer-related neurotoxic amyloid-beta (Aâ) peptides can deplete key proteins in a specific memory center of the brain.

18 Oct 2005

Brain injury can cause detrimental functional changes in brain regions far from the site of the actual injury

A study of patients who have difficulty paying attention to the left side of their environment has provided some of the first direct evidence that brain injury can cause detrimental functional changes in brain regions far from the site of the actual injury.

17 Oct 2005

Discovery could lead to tests for the clinic or battlefield to diagnose ailments with just a few drops of blood

A way to detect fragments of broken brain cells that leak into the bloodstream may help doctors more quickly and precisely treat people with severe head injuries or brain diseases, say researchers at the University of Florida's McKnight Brain Institute.

17 Oct 2005

Psychological stress during infancy has been found to cause early impaired memory

The study suggests that the emotional stress associated with parental loss, abuse or neglect may contribute to the type of memory loss during middle-age years that is normally seen in the elderly.

11 Oct 2005

Astrocytes modulate adenosine - thought to be important in controlling wake-to-sleep transitions and epileptic seizures

Researchers at the University of Pennsylvania School of Medicine have demonstrated that star-shaped glial cells in the brain called astrocytes are directly involved in regulating communication between neurons.

10 Oct 2005

Significant new research centre - the Deafness, Cognition and Language Research Centre

The centre, based at the UCL (University College London) Department of Human Communication Science, will see ESRC inject £4.5 million over an initial 5 year period into a study of deafness, linguistic systems and communication that will run over a 10 year programme.

10 Oct 2005

Prozac helps learning and memory in people with Huntington's disease

People with Huntington's disease have progressive motor problems, cognitive deficits (dementia) and psychiatric symptoms (the most common is depression) that usually start to appear in mid-life. There is no cure and death usually results within 10 to 20 years of symptom onset, or faster in the childhood-onset form of the disease.

9 Oct 2005

New information regarding the genetic, cellular and neurological bases of susceptibility to autism and schizophrenia

Two New Jersey research teams are reporting discoveries about the biological nature of psychiatric disorders that may bring them closer to the ultimate goal of finding cures for complex diseases, such as autism and schizophrenia.

9 Oct 2005

Our own mind and body give us the foundation to understand what other people are doing, thinking, or feeling

Successful social communication is based, above all, on the ability to understand the actions of other people. But how can we imagine what other people are thinking, or what intentions they have? Psychologists and neuroscientists trace it back to a kind of simulation that goes on in our brain as soon as we observe a person acting.

5 Oct 2005

Richness of motor training determines not only what we learn but how we learn

Practice makes perfect when people learn behaviors, from baseball pitching to chess playing to public speaking. Biomedical engineers at Washington University in St. Louis have now identified how people use individual experiences to improve performance.

5 Oct 2005

Discovery has implications for research on restoring mobility to people who have lost motor functions due to spinal cord injury

Yale School of Medicine researchers report in Science this week genetic evidence for the hypothesis that myelination, or formation of a protective sheath around a nerve fiber, consolidates neural circuitry by suppressing plasticity in the mature brain.

3 Oct 2005

Neuroscience News and Research

Number of color-sensitive cones in the human retina differs dramatically among people

St. John's wort plant has the capacity to inhibit expression of the HIV-1 gene

Faulty gene may identify those at risk of schizophrenia

Teens with missing part of a chromosome confirm genetic role in schizophrenia

Dopamine link to psychiatric and neurological disorders

Intravenous lidocaine and oral derivatives relieve pain from damage to the nervous system

Aβ and Fyn cooperate to cause Alzheimer-like changes in the brain

Brain injury can cause detrimental functional changes in brain regions far from the site of the actual injury

Discovery could lead to tests for the clinic or battlefield to diagnose ailments with just a few drops of blood

Psychological stress during infancy has been found to cause early impaired memory

Astrocytes modulate adenosine - thought to be important in controlling wake-to-sleep transitions and epileptic seizures

Significant new research centre - the Deafness, Cognition and Language Research Centre

Prozac helps learning and memory in people with Huntington's disease

New information regarding the genetic, cellular and neurological bases of susceptibility to autism and schizophrenia

Our own mind and body give us the foundation to understand what other people are doing, thinking, or feeling

Richness of motor training determines not only what we learn but how we learn

Discovery has implications for research on restoring mobility to people who have lost motor functions due to spinal cord injury

Brain mechanism may play a central role in regulating anxiety and alcohol-drinking

Protein found in the brain is genetically linked to alcoholism and anxiety

Patients with panic disorder have nearly double the risk for coronary heart disease,

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