Figure 8From: The cross-sectional GRAS sample: A comprehensive phenotypical data collection of schizophrenic patients Extrapyramidal intercorrelation pattern. Shown are correlations between different neurological tests for measuring extrapyramidal symptoms. Thickness of the lines represents the strength of correlation between two tests; only significant correlations are displayed. Cronbach's alpha of .675 shows that these measures have a decent internal consistency.Back to article page