AI Article Synopsis
- Temporal interference stimulation is a novel technique for modulating brain activity by using multiple voltage-controlled current sources (VCCS) on receptor surfaces.
- A complementary differential current source (CDCS) was developed based on analysis of existing VCCS structures, aiming to optimize the circuit design.
- Experiments showed that while conventional VCCS produced interference in unintended areas of swine tissue, the CDCS successfully avoided this issue, offering an improved method for temporal interference stimulation.
Article Abstract
The temporal interference stimulation is a new technique to modulate brain activity by applying multiple channels of voltage-controlled current source (VCCS) simultaneously to the receptor surface. In this paper, the envelopes of the overlapped current waves at several areas of the receptor were analyzed and discussed with different circuit structures of VCCS. A complementary differential current source (CDCS) was designed to fit the best circuit topology based on the analysis of the enhanced Howland current source structure. Experiments were conducted by injecting current to a swine tissue using the CDCS and conventional VCCS and acquiring the voltage waveform data from different parts of the tissue. The waveforms were compared and analyzed, revealing that the conventional VCCS may generate an interference envelope in unexpected regions, while the CDCS did not. The CDCS design approach in this paper provides a new solution for temporal interference stimulation VCCS.
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| http://dx.doi.org/10.1063/5.0154684 | DOI Listing |
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