Cross-platform comparison of global dynamic range for microarray, ISH, and SAGE. Dynamic range of signal intensities in the striatum (Str; solid lines) and hypothalamus (Hyp; dashed lines) observed in GNF (green lines), Teragenomics (Tera; red lines), ABA (blue lines), and SAGE (aqua line) data sets (striatum only). The data are plotted on a log scale for 1,270 of the highest expression values. Genes on each curve are sorted independently so that only the relative range of values is preserved. The compressed dynamic range at the highest levels in ISH quantification compared to the microarray and SAGE platforms is notable.