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. Author manuscript; available in PMC: 2010 Dec 14.
Published in final edited form as: Neuroscience. 2009 Sep 6;164(3):918–928. doi: 10.1016/j.neuroscience.2009.08.070

Figure 5. Response to hypercapnia measured by BOLD fMRI differs by age and performance.

Figure 5

Figure 5

A. Aged animals (n= 12) demonstrate a markedly reduced response to hypercapnia compared to adult animals (n= 6). B. Aged impaired animals show a significant reduction in response to hypercapnia compared to adult animals, whereas differences between aged intact and adult animals are not statistically significant. *p= 0.03, **p= 0.004 compared to adult animals.