The Origin of Abnormal Beta Oscillations in the Parkinsonian Corticobasal Ganglia Circuits

Table 1

Changes of the neuronal mean firing rates within the cortico-BG circuits observed in 6-OHDA rats/mice or MPTP monkeys in control (normal) and parkinsonian condition.

Mean firing rate ± SD (Hz)
No.	Nuclei	Control	PD	Animal model	Reference
1	Cortex	5.0 ± 0.8	4.5 ± 0.5	MPTP monkey	Goldberg et al. [27]
2	D1 MSN	1.61 ± 0.19	0.11 ± 0.04	6-OHDA mouse	Ryan et al. [29]
3	D2 MSN	1.42 ± 0.28	1.24 ± 0.23	6-OHDA mouse	Ryan et al. [29]
		2.1 ± 1.2	6.4 ± 2.7	6-OHDA rat	Kita and Kita [12]
4	GPe	33.7 ± 1.3	14.6 ± 0.4	6-OHDA rat	Mallet et al. [8]
		29.3 ± 12.2	26.2 ± 10.2	6-OHDA rat	Kita and Kita [12]
		24.5 ± 1.14	18.9 ± 0.87	6-OHDA mouse	Corbit et al. [30]
		76.0 ± 28.0	51.0 ± 27.0	MPTP monkey	Filion and Tremblay [31]
5	STN	18.8 ± 10.3	25.8 ± 14.9	MPTP monkey	Bergman et al. [32]
		13.8 ± 2.7	34.0 ± 3.4	6-OHDA rat	Mallet et al. [10]
		11.8 ± 0.7	17.1 ± 1.0	6-OHDA rat	Breit et al. [16]
6	SNr	15.2 ± 6.1	21.3 ± 7.4	6-OHDA rat	Benazzouz et al. [33]
7	GPi	28.0 ± 9.1	29.3 ± 11.3	6-OHDA rat	Kita and Kita [34]
		57.3 ± 17.3	77.9 ± 26.4	MPTP monkey	Leblois et al. [35]