Figure 5.

Correlations between the pulmonary functions and the amount of BOLD signal change. IRV: inspiratory reserve volume; ERV: expiratory reserve volume (ERV). Fitting lines, symbols and texts in blue color represent relevant information of the HA group, whereas fitting lines, symbols and texts in red color represent relevant information of the SL group, and those in black color represent corresponding information from the overall subject pool including both groups.

Yan et al. BMC Neuroscience 2011 12:94   doi:10.1186/1471-2202-12-94
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