Table 4.

Neuropsychological assessment performance of participants.

		PSP patients		PD patients		Healthy controls		F (df)	p	Post hoc
		Mean (SD)	Range	Mean (SD)	Range	Mean (SD)	Range
Fluency	“P” VFi	10.90 (6.30)	2.37–19.67	4.13 (2.98)	0.96–14.50	3.68 (1.96)	1.52–9.33	22.65 (2.78)	<0.001	PSP < PD
	“R” VFi	14.16 (13.16)	2.50–41.00	4.12 (2.11)	2.00–9.50	3.65 (1.73)	1.72–9.33	22.37 (2.76)	<0.001	PSP < PD
Executive function	Hayling: B–A time	69.14 (86.55)	5–251	33.00 (28.04)	−3 to 126	34.88 (28.96)	−5 to 121	2.88 (2.73)	0.06
	Hayling: errors	6.57 (5.56)	0–14	5.17 (5.89)	0–29	8.75 (9.17)	0–32	1.80 (2.73)	0.17
	Brixton	38.43 (3.21)	35–43	34.54 (9.71)	16–50	35.08 (8.23)	15–47	0.59 (2.70)	0.56
	Reading the Mind in the Eyes	20.50 (5.43)	14–29	23.93 (5.06)	13–35	26.35 (3.81)	17–34	5.72 (2.71)	<0.01	PSP < HC
Language	Graded Naming Test	20.64 (5.85)	9–26	23.20 (3.61)	13–29	24.15 (6.64)	14–57	1.71 (2.78)	0.19
	Graded Difficulty Spelling Test	19.64 (8.44)	2–29	22.29 (6.01)	7–30	22.53 (4.50)	12–29	1.15 (2.76)	0.32
Memory	Immediate Story Recall	24.45 (14.20)	0–41	27.04 (9.73)	7–49
	Delayed Story Recall	23.64 (15.54)	0–40	25.46 (9.61)	7–46
	Retention	80.16 (32.96)	0–111.11	93.92 (14.75)	62.50–136.00	94.49 (12.74)	58.82–12.27	3.12 (2.77)	0.05
Visuospatial	Cube Analysis	8.91 (1.58)	6–10	8.83 (1.62)	5–10	9.63 (0.87)	5–10	23.61 (2.78)	<0.05	PSP < HC
	Number Location	8.45 (2.46)	2–10	9.20 (1.00)	7–10	9.43 (0.71)	7–10	2.90 (2.78)	0.06

VFi: Verbal Fluency Index.