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Figure 4 | BMC Gastroenterology

Figure 4

From: Differences in cerebral response to esophageal acid stimuli and psychological anticipation in GERD subtypes - An fMRI study

Figure 4

Differences of activation volumes among the four GERD subgroups. 4A: Activity volume during intraesophageal acid infusion RE group presented higher activity volume in PFC, ACC and IC than any other GERD group (p < 0.05). NERD-SI+ group presented higher activity volume in PFC than NERD-SI- and NERD+ groups (p < 0.05). NERD-SI- groups presented higher activity volume in PFC and IC than that of NERD+ group (p < 0.05). 4B: Activity volume during psychological anticipation NERD-SI+ and NERD-SI- presented higher activity volume in PFC than any other GERD groups (p < 0.05). RE and NERD+ group presented higher activity volume in PFC than control. NERD-SI- presented higher activity volume in IC than NERD+ and NERD-SI+.

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