Neuroscience

Study explains how light could activate neurons

Human brains have an average of 86 billion neurons. These nerve cells are interconnected at junctions known as synapses, and some neurons have as many as 10,000 such synapses. A key to understanding brain function is to have ...

Neuroscience

Restoring nerve-muscle communication in ALS

Patients with amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, lose muscle control as nerve cells or neurons in the brain and spinal cord degenerate and can no longer send signals to muscles. Previous ...

Genetics

New clues into the genetic origins of schizophrenia

The first genetic analysis of schizophrenia in an ancestral African population, the South African Xhosa, appears in the Jan. 31 issue of the journal Science. An international group of scientists conducted the research, including ...

Medical research

Researchers regrow damaged nerves with polymer and protein

University of Pittsburgh School of Medicine researchers have created a biodegradable nerve guide—a polymer tube—filled with growth-promoting protein that can regenerate long sections of damaged nerves, without the need ...

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