Before revision:  When the threshold is equal to the mean of the input, INIR is also realizedin the threshold model. On the other hand, when the threshold is much larger than the mean of the input , the threshold model shows the stochastic resonance(SR), and the INIR is not always realized .
After revision:  When the threshold is equal to the mean of the input, INIR is realized, but when the threshold is much larger than the mean of the input , the threshold model shows the stochastic resonance(SR), and the INIR is not always realized .