Using a rat model of PD, the authors find a progressive decline in autonomous globus pallidus pacemaking. This loss was reversed by viral expression of the HCN channel. However, the motor disability induced by DA depletion was not reversed, suggesting that the loss of pacemaking was a consequence, not a cause, of key network pathophysiology.
- C Savio Chan
- Kelly E Glajch
- D James Surmeier