Table 3.

ADN HD cell parameters in DTN-lesioned and intact animals

Parameter	DTN lesioned ″classic″ HD	DTN lesioned ″coarse″ HD	Intact
Overall rate of incidence (percentage of total isolated cells)	4 of 177 (2.3%)	6 of 177 (3.4%)	73 of 160 (45.6%)
Rate of incidence per animal	2.8 ± 2.0%	3.0 ± 1.5%	46.6 ± 9.2%
Peak firing rate (spikes/s)	18.1 ± 5.4	12.2 ± 2.4	39.2 ± 3.8
Background firing rate (spikes/s)	2.6 ± 0.9	3.8 ± 0.9	1.74 ± 0.3
Signal/noise ratio	8.2 ± 1.0	3.4 ± 0.1	98.72 ± 37.7
Directional firing range (degrees)	134.7 ± 17.5	200.4 ± 24.3	95.0 ± 2.8
Information content (bits)	0.43 ± 0.11	0.13 ± 0.02	1.29 ± 0.08