Why does null hypothesis testing matter for fMRI-based target validation?

Null hypothesis testing using one-sample T-tests on activation maps ensures that identified stimulation targets reflect statistically significant functional engagement, reducing false positives in target selection and supporting robust validation for discovery-stage programs.

How does independent variable isolation fit the TMS localization workflow?

Isolating the motor task as the independent variable during fMRI acquisition allows for precise mapping of voluntary movement-related activation, enabling clear attribution of observed effects to specific functional circuits and improving mechanistic clarity.

What do quantitative dependent variable measurements enable in this protocol?

Quantitative measurements such as activation peak coordinates and functional connectivity metrics provide objective criteria for target selection, facilitating reproducibility and enabling cross-study comparisons in neuromodulation research.

Why are replication requirements critical for cross-functional TMS studies?

Replication of localization and measurement steps across subjects and sites ensures that function-specific targets are consistently identified, supporting collaborative research and enabling reliable aggregation of data for portfolio-level decisions.

What statistical analysis capabilities are required before implementing this localization protocol?

Implementation requires proficiency in first-level fMRI analysis, contrast definition, and thresholding to generate valid activation maps, as well as the ability to perform coordinate transformations and distance calculations for accurate scalp marking.

Локализация функциональных мишеней для транскраниальной магнитной стимуляции в условиях отсутствия навигационной аппаратуры

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Процитировано: 1

09:30 мин

23 мая 2025 г.

10.3791/67888-v

23 мая 2025 г.

1.8K просмотров

Bingbing Zhou^*¹ , Jiajia Qi^*¹ , Kangjia Chen^*² , Hong Li¹ , Jiahui Liu¹ , Qian Zhou¹ , Zujuan Ye¹ , Jue Wang¹

¹Chengdu Sport University, ²University of Electronic Science and Technology of China

^* These authors contributed equally

В этой статье описывается, как локализовать функциональные мишени для повторяющихся вмешательств или лечения транскраниальной магнитной стимуляции при недоступности навигационного оборудования.