Before revision:  Here, we use a model of the Ih current model with either fast or slow kinetics to determine its influence on the membrane time constant (\tau_m) of a CA1 pyramidal cell model.
After revision:  Here, we use a model of the I_{\rm h current model with either fast or slow kinetics to determine its influence on the membrane time constant (\tau_m) of a CA1 pyramidal cell model.