Table 11.
Deep Brain Focused Ultrasound Neuromodulation, Human Clinical Studies
Target | Application | Outcome | Focal Length (mm) | Frequency (kHz) | Pulse Repetition Frequency (Hz) | Duty Cycle (%) | SPTA Intensity (W/cm2) | SPPA Intensity (W/cm2) | Mechanical Index | Thermal Index | Peak Negative Pressure (Mpa) | Acoustic Pressure (MPa) | Pulse Width (ms) | Session Time | Publication Identifier |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
inferior frontal gyrus | healthy controls | 500 | 40 | 0.5 | 0.199 | 1.53 | 120 s | [245] | |||||||
amygdala | healthy controls | fMRI BOLD signal of amygdala, functional connectivity | 55 or 65 | 650 | 10 | 5 | 0.72 | 14.4 | 5 | 20 min, 30 s on / 30 s off | [242] | ||||
ventral intermediate nucleus, thalamus | essential tremor | neuropsychiatric tests | 650 | 10 | 0.71973 | 14.39 | 0.75 | 0.61 | 5 | eight, 10-min sessions, 30 s on / 30 s off | [244] | ||||
ventral capsule / ventral striatum | healthy controls | fMRI BOLD functional connectivity, arterial spin label perfusion | 80 | 650 | 10 | 5 | 0.72 | 14.4 | 0.74 | 5 | 12 sessions, 20 min, 30 s on / 30 sec off | [243] | |||
125 | 5 | 0.74 | 0.4 | ||||||||||||
125 | 50 | 0.24 | 4 | ||||||||||||
entorhinal cortex | 55 or 65 | 100 | 5 | 0.68 | 0.5 | ||||||||||
hippocampus | temporal lobe epilepsy | seizure reduction | 548 | 0.14 | 18 to 50 | 0.5 to 1.1 | 0.14 to 0.42 | 6 sessions, twice weekly | [241] | ||||||
anterior cingulate cortex | chronic pain | patient reported pain measures | 650 | 1.42 | 50 | 0.66 | 31 | 1.2 | 0.64 | 5 | 40 min sessions. 30 ms bursts | [247] | |||
ventral intermediate nucleus, thalamus | essential tremor | accelerometer power | 650 | 10 | 0.72 | 1 | 1 ms every 100 ms for 15 s cycles, repeated for 90 min sessinos | [239] | |||||||
subcallosal cingulate cortex | drug resistant depression | fMRI BOLD signal of subcallosal cingulate cortex | 650 | 0.8 | 1 | 30 | 30 ms ON, 4 ms OFF, for ten 2 min sessions | [240] |
Blood Oxygenation Level Dependent (BOLD); Functional Magnetic Resonance Imaging (fMRI); Spatial Peak Temporal Average (SPTA); Spatial Peak Pulse Average (SPPA)