Keywords

Semiotics, Digital health, Human–computer interaction, Multimodality, Cognitive load, Interface communication

Abstract

En los ecosistemas contemporáneos de salud digital, especialmente en salud mental, la investigación sobre usabilidad ha priorizado la eficiencia funcional, subteorizando la construcción de significado comunicativo. Pese a los avances en interacción humano–computadora, no existe un marco validado que conceptualice la usabilidad como fenómeno semiótico comunicativo inscrito en condiciones culturales y contextuales. Este estudio aborda esta brecha mediante el desarrollo y evaluación del Marco Semiótico para la Usabilidad (SFU), que reconceptualiza la usabilidad como semiósfera comunicativa basada en las funciones del lenguaje de Jakobson y la teoría de la semiósfera de Lotman. El marco se aplicó a once aplicaciones digitales y se evaluó con 30 participantes heterogéneos (18–72 años) mediante un diseño mixto triangulado que integró codificación semiótica, pruebas A/B, evaluación de carga cognitiva NASA- TLX, incorporación adaptativa, encuestas y entrevistas semiestructuradas. Los resultados muestran que el rediseño informado por semiótica aumentó la comprensión simbólica en 25 %, redujo la carga cognitiva en 39 % y mejoró la finalización de tareas en 30 %. La ambigüedad semántica fue la principal barrera de usabilidad. Estrategias multimodales-glosarios visuales, metáforas interpretativas y codificación redundante— fortalecieron la alineación emocional y confianza. Estos hallazgos reposicionan la usabilidad como práctica comunicativa y educativa. El estudio aporta un modelo semiótico–pragmático replicable para evaluar interfaces digitales, con implicaciones en educación mediática, diseño inclusivo y sistemas culturalmente sensibles alineados con ISO 9241-210 y WCAG.

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Received: 2026-02-04 | Reviewed: 2026-03-06 | Accepted: 2026-03-24 | Online First: 2026-07-17 | Published: 2026-07-19

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Dra. Mónica Santillán Trujillo., Dr. Carlos de Castro Lozano., ., Dr. Marcelo Rea., Dr. Danilo Martínez. (2026). De los signos a los sistemas: Un marco semiótico-pragmático para la salud digital. Comunicar, 34(86). 10.5281/zenodo.21416834

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