Transcranial Direct Current Stimulation (tDCS) Fundamentals

Non-invasive brain stimulation has become an essential topic across modern neuroscience, clinical rehabilitation, and cognitive research. This comprehensive text-based course equips you with a clear understanding of transcranial direct current stimulation (tDCS), from biophysical principles to real-world protocol design. What you'll learn: Understand the core neurophysiological mechanisms behind anodal and cathodal direct current stimulation; Identify precise electrode placement targets using the standard 10-20 system; Design customized stimulation parameters including current intensity, duration, and density; Apply standard safety frameworks, screening criteria, and contraindication protocols; Explore modern advances such as high-definition tDCS (HD-tDCS) and computational current flow concepts. The material starts with foundational terminology and neuroanatomy basics before moving step-by-step through montage selection, parameter tuning, and evidence-based protocol evaluation. This guide is crafted for beginners, students, clinicians, and researchers seeking a grounded introduction with no prior neuromodulation experience required. Start reading today to build a confident foundation in transcranial electrical stimulation.