News tagged with nerve signals

Related topics: nerve cells

Pain is in the brain

Chronic pain results from disease or trauma to the nervous system. Damaged nerve fibres with heightened responses to normal stimuli send incorrect messages to pain centres in the brain. This phenomenon, called "peripheral ...

Oct 09, 2015
popularity30 comments 0

Brain FM: Purkinje cells sing different tunes

All of us have our moods when we like to whistle an old melody or feel like tapping our feet to the latest hit. It turns out that cells in our brains can be equally moody, changing the tune of their electrical signals from ...

Sep 29, 2015
popularity45 comments 0

We've all got a blind spot, but it can be shrunk

You've probably never noticed, but the human eye includes an unavoidable blind spot. That's because the optic nerve that sends visual signals to the brain must pass through the retina, which creates a hole in that light-sensitive ...

Aug 31, 2015
popularity133 comments 0

Why some neurons 'outsource' their cell body

Nerve cells come in very different shapes. Researchers at the Bernstein Center Berlin now reveal why, in insects, the cell body is usually located at the end of a separate extension. Using mathematical models, they show that ...

Apr 21, 2015
popularity16 comments 0

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