TABLE 1.

Benztropine results.

Benztropine		Mean	Standard deviation	Standard error	95% confidence interval
Frequency (Hz)	Control (n = 3)	1.0867	0.13829	0.0461	N/A
	Therapeutic (n = 3)	1.0544	0.17278	0.05759	0.902
	Supratherapeutic (n = 3)	1.0556	0.16102	0.05367	0.909
	Total	1.0656	0.15258	0.02936	N/A
Amplitude (mm)	Control (n = 3)	0.1311	0.02667	0.00889	N/A
	Therapeutic (n = 3)	0.1244	0.04003	0.01334	0.901
	Supratherapeutic (n = 3)	0.0633	0.02915	0.00972	0.001
	Total	0.1063	0.04404	0.00848	N/A

95% confidence interval is obtained when compared with internal control.