TABLE 3.

Z Scores for Performance on Selected Cognitive Tasks in CBS Patients

	Mean Z-score (SD)*
Dot location estimation	−7.25 (10.26)
Geometric design copy (constructional)	−4.51 (3.84)
Unusual views	−3.55 (5.75)
Pyramids and Palm Trees—pictures	−3.41 (3.40)
Boston Naming Test	−2.72 (2.50)
Verbal fluency—animals	−2.13 (0.73)
Pyramids and Palm Trees—words	−2.08 (2.92)
Memory list recall	−1.76 (0.71)
Verbal fluency—F, A, S	−1.60 (1.00)
Reverse digit span	−1.53 (1.30)
Face recognition	−1.37 (1.19)

^*Z-scores based on data from 24 age-matched and education-matched control subjects.