Abstrakt: |
Conclusions 1.Prolonged subthreshold low-frequency stimulation (1 Hz) of the dorsal part of the head of the caudate nucleus (HCN) has a predominantly inhibitory effect on realization of the conditioned secretory response to food in dogs.2.High-frequency stimulation (100 Hz) of HCN in most cases activates the conditioned and unconditioned secretory reflexes.3.During stimulation by low- and high-frequency currents, HCN inhibits spontaneous secretion, evidently by facilitating isolation of the conditioned (meaningful) stimulus.4.Differential inhibition shows a tendency to be disinhibited by prolonged stimulation, especially of high frequency, of the dorsal part of HCN. |