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Table 1 Neuropsychological tests.

From: Morphological correlates to cognitive dysfunction in schizophrenia as studied with Bayesian regression

 

CPI test

Explanation

References

 

Verbal learning

 

Lezak, 2004 [17]

1

RAVLTA1

Rey Auditory Verbal Learning Test (five trials using the same 15 words)

 

2

RAVLTA2

  

3

RAVLTA3

  

4

RAVLTA4

  

5

RAVLTA5

  

6

RAVLTATOT

Sum of A1-A5

 

7

RAVLTB

Distractor (new words)

 

8

RAVLTA6

Immediate recall (same words as in A1 – A6)

 

9

RAVLTA7

Delayed (20 min) recall

 
 

Attention, vigilance

 

Cornblatt et al., 1989 [18]

10

CPT

Continuous Performance Test – Identical Pairs

 
 

Visuo-motor speed

 

Lezak, 2004 [17]

11

TMTA

Trail Making Test, form A

 

12

TMTB

Trail Making Test, form B

 
 

Working memory

 

Wechsler, 1997 [19]

13

LNS

Letter-Number-Sequencing

 
 

Functional level

 

Wechsler, 1981 [20]

14

Vocabulary, WAIS-R

Subtest from Wechsler Adult Intelligence Scale

 
 

Executive functions

 

Heaton et al., 1993 [21]

15

WCST CAT

Wisconsin Card Sorting Test (64 card version), completed categories

 

16

WCST total err

Number of errors

 

17

WCST pers err

Perseverative errors

 

18

WCST pers resp

Perseverative responses

 
  1. The Cognitive Performance Index (CPI) is a battery of standardized neuropsychological tests. The above-listed tests, covering six functional domains, were selected from the full CPI to give an overview of cognitive abilities in our subject group.