Table 1 Trial schedule of enrollment, intervention, and assessments

 Eligibility screen

X

 Informed consent

X

 Allocation

X

 Offline tDCS-before SLT

X

 Online tDCS-during SLT

X

 Offline tDCS-after SLT

X

 Sham tDCS-SLT only

X

 Western Aphasia Battery-Revised

X

X

 Wechsler Memory Scale-III

X

X

 Picture Description from Comprehensive Aphasia Test

X

X

 Apraxia of Speech Rating Scale

X

X

 Modified Rankin Scale

X

X

 Center for Epidemiologic Studies Depression Scale

X

X

 Communication Confidence Rating Scale For Aphasia (CCRSA)

X

X

 The Stroke and Aphasia Quality of Life Scale-39-Item Version (SAQOL-39)

X

X

 Philadelphia Naming Test

X

X

 Arizona Semantic Test

X

X

 Conners’ Continuous Performance Test II (CPT-II)

X

X

 Demographic data

X

 List of medications

X