<Synapse id="syn1" permeantIon="AMPAion" baseConductance="180pS"> <!--<ExponentialTimecourse tau="4ms"/>--> <BiExponentialTimecourse rise="0.2ms" tau="2ms"/> <!--<AlphaTimecourse tau="4ms"/> <ProfileTimecourse file="stim1.txt" timeUnit="1ms"/>--> </Synapse>