Table 4.

The diversity index

	Mean (index)	1 Hz	2 Hz	5 Hz	10 Hz
CTX→ CTX
Normal	0.15	0.41 ± 0.34	0.16 ± 0.17	0.04 ± 0.07	015 ± 0.00
MPTP	0.35	0.61 ± 0.33	0.34 ± 0.27	0.13 ± 0.22	0.32 ± 0.18
GP→ CTX
Normal	0.48	0.33 ± 0.18	0.26 ± 0.14	0.63 ± 0.08	0.7 ± 0.2
MPTP (T)	0.26	0.19 ± 0.20	0.29 ± 0.24	0.54 ± 0.32	0 ± 0.00
MPTP (W)	0.31	0.03 ± 0.12	0.45 ± 0.37	0.75 ± 0.21	0 ± 0.00
GP→ GPe
Normal	0.79	0.61 ± 0.31	0.87 ± 0.12	0.79 ± 0.14	0.89 ± 0.11
MPTP	0.77	0.56 ± 0.28	0.89 ± 0.11	0.88 ± 0.10	0.73 ± 0.07
GP→ GPi
Normal	0.29	0.3 ± 0.36	0.36 ± 0.32	0.46 ± 0.39	0.02 ± 0.04
MPTP	0.57	0.46 ± 0.38	0.58 ± 0.29	0.72 ± 0.18	0.53 ± 0.21
CTX→ GPe
Normal	0.63	0.51 ± 0.36	0.55 ± 0.28	0.71 ± 0.12	0.73 ± 0.17
MPTP	0.41	0.37 ± 0.31	0.51 ± 0.24	0.67 ± 0.18	0.1 ± 0.19
CTX→ GPi
Normal	0.63	0.67 ± 0.58	0.58 ± 0.42	0.59 ± 0.37	0.69 ± 0.47
MPTP	0.44	0.2 ± 0.32	0.6 ± 0.37	0.38 ± 0.42	0.58 ± 0.42

Diversity index values, representing the diversity of the neuronal responses to stimulation, are given as mean ± SD in each frequency test. The average over frequencies of all indexes is given in the Mean (index) column. Diversity index values range from 0 (nondivergent) to 1 (maximal divergence).