A new tablet for writing and drawing during functional MRI.

摘要: Writing and drawing are understudied with fMRI, partly for lack of a device that approximates these behaviors well while supporting task feedback quantitative behavioral logging in the confines magnet. Consequently, we developed tablet based on touchscreen technology is accurate, reliable, relatively inexpensive, fMRI compatible. After confirming compatibility, conducted preliminary experiments examining neural correlates widely used pen-and-paper neuropsychological assessment, trail making test. In two subjects, found left hemisphere frontal lobe activations similar to major results previous group study, also noted individual differences mostly right hemisphere. These demonstrate utility new adaptations tests suggest possible uses longitudinal, within-subjects studies disease or therapy. We discuss using several other types requiring many, continuous, two-dimensional responses were previously very difficult perform during fMRI.