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Reducing State Anxiety Using Working Memory Maintenance
Published on: July 19, 2017
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La ansiedad hace que el tiempo pase más rápido: correlatos neuronales
I Sarigiannidis1, K Kieslich1, C Grillon2
1UCL Institute of Cognitive Neuroscience, University College London, London, UK.
Social cognitive and affective neuroscience
|February 7, 2026
Resumen
La ansiedad acelera la percepción del tiempo al sobrecargar los recursos neurocognitivos, particularmente en la corteza cingulada media. Esta región cerebral puede mediar cómo la ansiedad afecta nuestro sentido del tiempo.
Área de la Ciencia:
- Neurociencia
- Psicología Cognitiva
- Psiquiatría
Sus antecedentes:
- La ansiedad puede afectar el procesamiento cognitivo al consumir recursos neurocognitivos finitos.
- Investigaciones previas indican que la ansiedad conduce a una subestimación temporal, lo que sugiere una alteración en la percepción del tiempo.
Objetivo del estudio:
- Investigar la superposición neuronal entre la ansiedad y el procesamiento del tiempo.
- Determinar si la ansiedad sobrecarga los sistemas neurocognitivos involucrados en la percepción del tiempo, específicamente en la corteza cingulada.
Principales métodos:
- Dos estudios (N=13, N=29) combinaron la inducción de ansiedad (amenaza de descarga) con una tarea de bisección temporal.
- Se utilizó la resonancia magnética funcional (fMRI) para monitorizar la actividad cerebral durante la tarea.
Principales resultados:
- La inducción de ansiedad resultó en la percepción de que el tiempo pasa más rápido.
- Se observó una activación generalizada en la corteza cingulada durante la inducción de ansiedad.
- El análisis de conjunción reveló una activación superpuesta en la ínsula y la corteza cingulada media tanto para la ansiedad como para el procesamiento del tiempo.
Conclusiones:
- Los hallazgos respaldan la hipótesis de que la ansiedad sobrecarga los recursos neuronales involucrados en el procesamiento del tiempo.
- La sobrecarga de la corteza cingulada media puede ser un mecanismo clave que impulsa las alteraciones relacionadas con la ansiedad en la percepción temporal.
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