TABLE III.

Pitch ranking and electrode discrimination thresholds in d′ for each subject. The α data were converted to d′ using values from Hacker and Ratcliff (1979) for the 79.4% correct for 2IFC (1.14 for pitch ranking) and 3IFC (1.61 for electrode discrimination). SE = standard error.

	Pitch ranking (d′)			Electrode discrimination (d′)
Subject	Basal	Middle	Apical	Basal	Middle	Apical
C8	0.27	0.52	0.27	0.30	0.43	0.45
C13	0.88	0.28	0.54	0.62	0.25	0.49
C17	0.84	0.82	0.85	0.61	0.62	0.60
C22	0.52	0.70	0.77	0.54	0.53	0.53
C24	0.79	0.70	0.82	0.60	0.31	0.62
C25	0.88	0.63	0.38	0.62	0.55	0.62
C26	0.15	0.08	0.11	0.28	0.46	0.28
C29	0.30	0.08	0.23	0.46	0.47	0.53
C35	0.85	0.75	0.84	0.60	0.60	0.60
C39	0.22	0.17	0.15	0.21	0.31	0.35
C40	0.22	0.48	0.50	0.27	0.34	0.36
MEAN	0.54	0.47	0.50	0.46	0.44	0.49
SE	0.10	0.09	0.09	0.05	0.04	0.04