A Thalamocortical Neural Mass Model of the EEG during NREM Sleep and Its Response to Auditory Stimulation
Fig 3
Dynamic modes of the isolated thalamic module.
Here, we illustrate the different dynamic modes the isolated thalamic module exhibits. The left panels depict the thalamic relay membrane voltage, whereas the right panels illustrate that of the thalamic reticular population. The parameter values are depicted in Fig 2 and given in Table 1. SI and SII: The isolated thalamus generates rhythmic spindle oscillations via a balanced interplay between IT and Ih. The length and the average time between spindles is governed by . CI and CII: Outside of the spindle regime fast oscillations generated by the T-type calcium currents dominate and Ih is unable to sufficiently depolarize the thalamic relay population to cease them. DI and DII: For strong hyperpolarization through ILK the thalamic module switches into low frequency delta oscillations.