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Table 3 Partial correlations for performance on 4 neuropsychological tasks reflecting left hemisphere (and cingulate) function and 4 tasks reflecting right hemisphere function with DA turnover (A: DA TR) and the ratio of DA to NA activity (B: HVA/MHPG) in patient subgroups with few paranoid symptoms

From: Neuropsychological measures of attention and memory function in schizophrenia: relationships with symptom dimensions and serum monoamine activity

  

Left hemisphere function

Right hemisphere function

  

Verbal

Stroop

Immediate

Delayed

Block

Trails B-A

Mooney

Delayed

  

Fluency

Interference

Verbal Recall

Design

Attention Set

Faces

Visual Reproduction

 

p

r

p

r

p

r

p

r

p

r

p

r

p

r

p

r

p

R2

a/ DA TR

NP n 28

   F(1,26) = 5.6,

0.026

--

--

--

--

--

--

--

--

--

--

--

--

-0.42

0.026

--

--

16.3%

Low-ThD n 41

   F(1,39) = 8.7,

0.005

--

--

--

--

+0.43

0.005

--

--

--

--

--

--

--

--

--

--

18.3%

High-ThD n 43

N.S.

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

Low-IoR n 48

   F(1,46) = 3.9,

0.05

--

--

--

--

+0.28

0.05

--

--

--

--

--

--

--

--

--

--

7.9%

High-IoR n 36

   F(1,34) = 8.3,

0.007

--

--

--

--

--

--

--

--

--

--

-0.44

0.007

--

--

--

--

19.6% -

b/HVA/MHPG

NP n 25

   F(1,23) = 5.0,

0.036

--

--

--

--

--

--

--

--

+0.42

0.036

--

--

--

--

--

--

17.8%

Low-ThD n 45

   F(1,48) = 4.7,

0.037

--

--

--

--

--

--

+0.33

0.037

--

--

--

--

--

--

--

--

10.9%

High-ThDn 45

N.S.

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

Low-IoR n 47

   F(3,43) = 2.3,

0.095

+0.30

0.047

--

--

--

--

--

--

--

--

--

--

--

--

--

--

13.6%

High-IoR n 38

   F(4,33) = 4.7,

0.004

-0.35

-0.35

-0.50

0.002

--

--

--

--

+0.50

0.002

--

--

--

--

-0.36

0.03

36.3%

  1. PN = paranoid, NP = Nonparanoid, Low-/High-ThD/IoR = below /above a median split of thought disorder/ideas-of reference ratings. NS = Model not significant