Table 1.

Reasons for article exclusion.

Reason for exclusion	Number of excluded articles
Use of the test for diagnosis	155
Use of non-functional magnetic resonance	68
Use in other pathologies/clinical pictures (not dysphagia)	37
Dealt with other tests (not fMRI)	13
Animal studies	5
Literature review	5
Evaluated exam technique	2
Dysphagia study without fMRI	2
Exam used for surgical assistance	1

fMRI, functional magnetic resonance imaging.