The phrase "across differing regions" is correct and usable in written English.
You can use it when discussing variations, comparisons, or observations that occur in different geographical areas or locations.
Example: "The study revealed significant cultural differences across differing regions, highlighting the impact of local traditions on social behavior."
Alternatives: "in various regions" or "throughout different areas".
Poldrack et al. (1998) observed BOLD signal decreases and increases across differing cortical regions with both skill learning and item-specific learning.
Furthermore, we ran a 2-way RM ANOVA (ROI: PCG, S2, V1, premotor, motor; side: right, left, pooled) to test whether decoding performance differed across different regions of interest.
Its conservation status differs greatly across different regions of its range.
When we determined how many genes differ in expression level across different regions of the brain by ≥2 quintiles in ≥2 regions of the brain, only 30 (∼10%) of the genes qualify as showing variability in expression level across different regions of the brain (Table 1).
Furthermore, Hunter and Tabaghdehi (2013a) examined gasoline price behaviour across different regions in the long-run and the short-run, specifying that the market structures and price dynamics may differ across regions.
Figure 7 shows that a PCA of the dissimilarity of the regions' individual confusion errors produces separation of the regions, interpretable in terms of their anatomical locations, indicating that the brain activation that is used in identification differs qualitatively and systematically across regions, such as the posterior visual regions differing from frontal regions.
The culture across tiers differed between regions.
Our focus was on themes that differed across regions and not those that emerged from interviews in all regions, such as the importance of having updated knowledge about lactation processes, the training of personnel, antenatal information of the mothers, and the practice of skin-to-skin care and peer-to-peer support.
Previous research has shown that Escherichia coli infection rates peak in the summer; however, to date there has been no investigation as to whether this is seen in both hospital and community-onset cases, and how this differs across regions.
