New visions of the cortex

Article Abstract:

Study of the functioning of the brain system is based on the visual system. Passing from the retina to the higher cortical area, the visual information is initially analyzed by simple features and then later, the pathway detects higher-level features. Nearly forty distinct visual cortical areas have been identified by positron emission tomography and functional magnetic resonance imaging techniques. Models of small patches of cortex, based on electrical properties and connectivity patterns of the component neurons that are known, can be used to understand cortical functioning.

Models, Neurons, Cerebral cortex, Visual pathways, Visual pathway

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Is it worth leaving the US science base?

Article Abstract:

Returning overseas Chinese scientists may have to face several difficulties in their Asian homelands besides settling for a lower standard of living. They will find it problematic to maintain international competitiveness in research fields due to a shortage of funds and limited research infrastructure in China. However, the situation may be unavoidable with the scaling back of research jobs in the US. Alternatives to resettlement, such as scientific exchange and collaboration between overseas scientists and Chinese organizations may also be contemplated.

United States, China, Joint ventures, Science and technology policy, Scientific societies, Science organizations

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How trinucleotide repeats may function

Article Abstract:

The hereditary neurodegenerative diseases results from the binding between the huntingtin-associated protein 1 and its mutant form. A change in protein conformation is also associated with these diseases. These two discoveries may open up new avenues for curative research for the neurodegenerative diseases. The binding between the protein with changed conformation and the monoclonal antibody 1C2 may lead to the identification of new trinucleotide disease genes.

Analysis, Nucleotide sequence, Base sequence, Nervous system, Proteins, Nerve degeneration, Protein conformation, Nervous system diseases

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