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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Biomathematics Seminar: Understanding Spike Trains

Presented by Conor Houghton, Trinity College Dublin

17 February 2009 14:15 in Kingsley Barrett Lecture Theatre (CLC407)

Axons connect neurons; axons are thin, membrane-walled tubes whose
interior fluid is at a lower voltage to the exterior. Axons support
the propagation of what are called spikes, brief voltage pulses of
stereotypical profile and amplitude. In the brain information
propagates between neurons in the form of spike trains, sequences of
spikes. It is not known in any detail how information is coded in
spike trains, this is a difficult problem because the spike trains
themselves are unreliable, the same stimulus acting on a neuron leads
to different spike trains from trial to trial. Here I will describe
how defining a metric on the space of spike trains can help determine
properties of the information coding.

Contact Bernard Piette or Anne Taormina for more information