Neuroscience

Scientists visualize the connections between eye and brain

Most of the human brain's estimated 86 billion nerve cells, or neurons, can ultimately engage in a two-way dialogue with any other neuron. To shed more light on how neurons in this labyrinthine network integrate information—that ...

Neuroscience

Reward and unease are closely linked in the brain

Mice that lack a certain receptor in the brain are attracted to situations associated with discomfort, such as inflammation and nausea, according to a new study from Linköping University, Sweden. The finding has been published ...

Diseases, Conditions, Syndromes

Microglia are key defenders against prion diseases

Prion diseases are slow degenerative brain diseases that occur in people and various other mammals. No vaccines or treatments are available, and these diseases are almost always fatal. Scientists have found little evidence ...

Neuroscience

Timing is crucial from the brain to the spinal cord

Just a slight movement of the hand is an intricate concert of interactions between nerve cells. For a signal from the brain to reach the spinal cord and then the muscle, different neuronal networks must find a common rhythm. ...

Neuroscience

Scientists find fear, courage switches in brain

Researchers at the Stanford University School of Medicine have identified two adjacent clusters of nerve cells in the brains of mice whose activation levels upon sighting a visual threat spell the difference between a timid ...

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