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Table 3 Neuropsychological test performance Means and Standard Deviations in neuropsychological test performance (raw scores) among the family members in the well-performing (Cluster 1), impaired (Cluster 2), and intermediate (Cluster 3) clusters

From: Family-based clusters of cognitive test performance in familial schizophrenia

  Cluster 1 (n = 94) Cluster 2 (n = 50) Cluster 3 (n = 115)
  Mean SD Mean SD Mean SD
Auditory attention 6.7 2.1 5.8 1.9 6.3 1.8
Verbal working memory 6.1 2.3 4.5 2.0 4.7 1.7
Visual attention 8.6 2.1 6.8 1.9 7.6 1.8
Visual working memory 7.8 2.1 5.3 2.7 6.9 2.0
Story recall immediate 20.1 7.9 11.7 6.8 14.5 7.1
Story recall delayed 16.6 8.0 8.0 6.9 11.2 6.8
Visual reproduction imm 32.1 6.9 23.5 11.4 27.6 8.4
Visual reproduction del 27.4 9.9 16.2 12.8 21.2 10.5
Vocabulary 41.8 12.1 27.8 14.3 33.1 11.6
Similarities 24.7 4.6 18.5 6.7 21.1 5.3
Digit Symbol 39.4 16.5 26.9 13.6 34.4 13.8
Block design 28.6 11.6 17.7 12.5 22.3 10.8
Verbal learning 45.2 12.2 30.9 11.5 36.6 11.7
Semantic clustering 13.2 8.4 6.7 4.8 8.1 6.6
Recognition 93.2 6.0 81.1 16.6 87.2 10.3
Verbal fluency 29.9 11.5 22.0 10.4 25.2 9.3
Verbal fluency, animals 20.2 6.2 14.2 5.2 16.2 5.0