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Fig. 1 | BMC Neuroscience

Fig. 1

From: Effects of transcranial focused ultrasound on human primary motor cortex using 7T fMRI: a pilot study

Fig. 1

a Schematic of the fMRI experimental protocol. Finger movement (thumb, middle, index) was visually cued at 1 Hz across the on blocks. A total of nine 30 s on blocks were collected (3 for each finger) interspersed with 30 s rest blocks. Within each on block transcranial focused ultrasound (tFUS) was delivered every two TRs (2.75 s). b Schematic of the ultrasound pulsing strategy. PRF pulse repetition frequency, Af acoustic frequency

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