Table 4

Rotated factor analysis of schizophrenic symptoms and aprosodia battery results

Factor Variance Σ variance Principal components Loading scores
117.9%17.9%PCA4-150: hallucinations/paranoid delusions0.971
BPRS: mean0.888
Gur: suspicion/hostility0.853
Gur4-150: schneiderian hallucinations/delusions0.825
SAPS: delusions0.814
SAPS: hallucinations0.729
214.5%32.4%PCA: affective blunting/flattening-alogia0.964
SANS: alogia0.849
SANS: affective blunting/flattening0.802
Gur: negative0.757
SANS: attention0.578
311.8%44.2%ApB4-150: word comprehension0.844
ApB: monosyllabic comprehension0.853
ApB: asyllabic comprehension0.830
ApB: affective discrimination0.779
410.6%54.8%PCA: formal thought disorder0.973
SAPS: formal thought disorder0.947
Gur: disorganisation0.727
510.2%65.0%PCA: avolition/apathy-anhedonia/asociality0.933
SANS: avolition/apathy0.741
SANS: anhedonia/asociality0.663
ApB: spontaneous affective prosody−0.564
69.8%74.8%ApB: monosyllabic repetition0.866
ApB: asyllabic repetition0.860
ApB: word repetition0.825
77.2%82.0%PCA: bizarre behaviours-mannerisms0.931
SAPS: bizarre behaviours0.722
  • 4-150 PCA=factors found on initial principal component analysis using the items on the BPRS, SANS, and SAPS; Gur=Guret al 64 categories; ApB=aprosodia battery.