most people are familiar with the idea of Google Maps this is a similar scheme
of Google Maps this is a similar scheme
of Google Maps this is a similar scheme looking at brain at progressively higher
looking at brain at progressively higher
looking at brain at progressively higher magnifications we’re now looking at a
magnifications we’re now looking at a
magnifications we’re now looking at a slab that’s about a tenth of a
slab that’s about a tenth of a
slab that’s about a tenth of a millimeter in height of a small piece of
millimeter in height of a small piece of
millimeter in height of a small piece of brain where some of those nerve cells
brain where some of those nerve cells
brain where some of those nerve cells they’re now all kind of pink in color
they’re now all kind of pink in color
they’re now all kind of pink in color are interposed with blood vessels and
are interposed with blood vessels and
are interposed with blood vessels and then a bunch of other things these
then a bunch of other things these
then a bunch of other things these yellowish objects are the processes that
yellowish objects are the processes that
yellowish objects are the processes that come off of nerve cells called dendrites
come off of nerve cells called dendrites
come off of nerve cells called dendrites these are the antennas of nerve cells
these are the antennas of nerve cells
these are the antennas of nerve cells that receive information now looking at
that receive information now looking at
that receive information now looking at a box that’s 10 microns which is about a
a box that’s 10 microns which is about a
a box that’s 10 microns which is about a hundredth of a millimeter in height and
hundredth of a millimeter in height and
hundredth of a millimeter in height and now you see that even between the
now you see that even between the
now you see that even between the dendrites of cells which are labeled
dendrites of cells which are labeled
dendrites of cells which are labeled yellow there are lots of other things
yellow there are lots of other things
yellow there are lots of other things that are labeled blue which are the
that are labeled blue which are the
that are labeled blue which are the axons of nerve cells from other parts of
axons of nerve cells from other parts of
axons of nerve cells from other parts of the brain that happened to be trying to
the brain that happened to be trying to
the brain that happened to be trying to make connections with the nerve cells
make connections with the nerve cells
make connections with the nerve cells the dendrites we’re going to zoom up by
the dendrites we’re going to zoom up by
the dendrites we’re going to zoom up by another factor of 3 in this box now we
another factor of 3 in this box now we
another factor of 3 in this box now we finally see the places where the axons
finally see the places where the axons
finally see the places where the axons of some cells are beginning to
of some cells are beginning to
of some cells are beginning to communicate with the dendrites of other
communicate with the dendrites of other
communicate with the dendrites of other cells and axons and dendrites talk to
cells and axons and dendrites talk to
cells and axons and dendrites talk to each other through synapses synapses are
each other through synapses synapses are
each other through synapses synapses are where axons of some neurons are making
where axons of some neurons are making
where axons of some neurons are making connections with the dendrites of other
connections with the dendrites of other
connections with the dendrites of other cells and the way axons tell dendrites
cells and the way axons tell dendrites
cells and the way axons tell dendrites things is by releasing neurotransmitter
things is by releasing neurotransmitter
things is by releasing neurotransmitter packets that have hundreds or thousands
packets that have hundreds or thousands
packets that have hundreds or thousands of neurotransmitter molecules these
of neurotransmitter molecules these
of neurotransmitter molecules these little packets are called synaptic
little packets are called synaptic
little packets are called synaptic vesicles and they’re labeled here as
vesicles and they’re labeled here as
vesicles and they’re labeled here as little yellow spheres the brain is made
little yellow spheres the brain is made
little yellow spheres the brain is made up of trillions of these synapses one of
up of trillions of these synapses one of
up of trillions of these synapses one of our goals is to try to get some sense of
our goals is to try to get some sense of
our goals is to try to get some sense of what kinds of organizational principles
what kinds of organizational principles
what kinds of organizational principles emerge looking at the brain at the level
emerge looking at the brain at the level
emerge looking at the brain at the level of resolution of seeing every single
of resolution of seeing every single
of resolution of seeing every single synapse
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