ArticleFrontiers in public health2026
Beyond privacy calculus: public acceptance of non-invasive therapeutic brain-computer interfaces in China.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and objective: Non-invasive brain-computer interfaces (BCIs) are rapidly transitioning from laboratory settings to clinical rehabilitation and mental health applications. However, unlike ordinary consumer technologies, therapeutic BCIs are adopted under health imperatives rather than discretionary choice. In such contexts, the "privacy calculus" logic underlying the Value-based Adoption Model (VAM), which assumes users rationally weigh benefits against sacrifices, may not adequately capture adoption decisions. This study aimed to explore the public's acceptance of non-invasive therapeutic BCIs in China, identify influencing factors, and examine the moderating roles of age, monthly income, and disease status. Methods: Using a cross-sectional survey design, 337 valid questionnaires were collected from Chinese adults via snowball sampling on the Wenjuanxing online platform. A structural equation model (SEM) incorporating perceived benefit, perceived sacrifice, perceived value, and a second-order latent variable "external drivers" was constructed and tested. Hierarchical regression analysis examined moderation effects. Results: The mean usage intention score was 3.93 (SD = 0.63). Perceived benefit strongly and positively predicted perceived value ( Conclusion: In the context of non-invasive therapeutic BCIs, the negative effect of perceived sacrifice on perceived value was not supported, suggesting that the classic privacy calculus logic may be attenuated when health imperatives are salient. We propose "cost desensitization" as a tentative mechanism warranting further mixed-methods validation research. These findings inform clinical expectation management and ethical governance of emerging neurotechnologies.
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