Paragraph 2
The diagram looks like a
of art. It is a beautiful, colourful
of neurons. The map is known as a
. Scientists sliced the fruit fly's brain into 7,000
pieces. These were studied with an
microscope. This imaged cells that were four-millionths of a millimetre
. The researchers classified 8,400 cell
. If the neural pathways were unravelled, they would stretch for 150 metres. The human brain has 86 billion neurons and
of connections. It will be many
before technology can map
.
