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Table 2 Significant effects of word generation, task difficulty and group effects during the performance of a verbal fluency task by subjects with schizophrenia, bipolar disorder and healthy controls.

From: Pattern of neural responses to verbal fluency shows diagnostic specificity for schizophrenia and bipolar disorder

   Coordinates  
  Brodmann area x y z Z max
Word generation > repetition      
Inferior frontal gyrus BA47 -34 28 0 4.58
  BA45 -50 28 16 3.89
  BA44 -52 12 24 5.44
Inferior frontal gyrus/insula BA47 36 24 0 3.5
Inferior frontal gyrus/orbital BA47 -50 36 -8 2.95
Superior temporal gyrus BA 38 -52 20 -16 4.18
Thalamus   -8 -14 10 3.37
Word generation < repetition      
Precuneus BA 7 -2 -68 48 4.8
Ventral anterior cingulate BA10/25 4 44 -8 4.11
Word generation with difficult > easy letters      
Dorsal anterior cingulate (rostral, supracallosal) BA24/32 -4 24 32 2.65
Effect of diagnostic group      
   Schiz. > bipolar > control      
Dorsal anterior cingulate (caudal, supracallosal) BA24 -2 0 40 3.12
Middle frontal gyrus BA46/44 -40 32 40 3.81
Putamen   18 14 -8 3.23
   Schiz. > (bipolar, control)      
Inferior and middle frontal gyrus BA44/9/6 44 12 40 4.29
Superior frontal gyrus BA9 18 52 32 3.18
Inferior frontal gyrus BA44/6 48 10 16 2.75
   (Schiz., bipolar) > control      
Precuneus BA7 -4 -66 48 4.24
Precuneus/Superior occipital cortex BA7 18 -82 48 4.12
Angular/supramarginal gyrus BA39/40 56 -38 48 3.29
Angular gyrus BA39 -42 -58 48 2.72
Posterior cingulated BA23 0 -30 32 2.83