Your browser doesn't support javascript.
loading
Strategic attention and decision control support prospective memory in a complex dual-task environment.
Boag, Russell J; Strickland, Luke; Loft, Shayne; Heathcote, Andrew.
Afiliación
  • Boag RJ; The University of Western Australia, Australia. Electronic address: russell.boag@research.uwa.edu.au.
  • Strickland L; The University of Western Australia, Australia.
  • Loft S; The University of Western Australia, Australia.
  • Heathcote A; The University of Tasmania, Australia.
Cognition ; 191: 103974, 2019 10.
Article en En | MEDLINE | ID: mdl-31234118
Human performance in complex multiple-task environments depends critically on the interplay between cognitive control and cognitive capacity. In this paper we propose a tractable computational model of how cognitive control and capacity influence the speed and accuracy of decisions made in the event-based prospective memory (PM) paradigm, and in doing so test a new quantitative formulation that measures two distinct components of cognitive capacity (gain and focus) that apply generally to choices among two or more options. Consistent with prior work, individuals used proactive control (increased ongoing task thresholds under PM load) and reactive control (inhibited ongoing task accumulation rates to PM items) to support PM performance. Individuals used cognitive gain to increase the amount of resources allocated to the ongoing task under time pressure and PM load. However, when demands exceeded the capacity limit, resources were reallocated (shared) between ongoing task and PM processes. Extending previous work, individuals used cognitive focus to control the quality of processing for the ongoing and PM tasks based on the particular demand and payoff structure of the environment (e.g., higher focus for higher priority tasks; lower focus under high time pressure and with PM load). Our model provides the first detailed quantitative understanding of cognitive gain and focus as they apply to evidence accumulation models, which - along with cognitive control mechanisms - support decision-making in complex multiple-task environments.
Asunto(s)
Palabras clave
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Desempeño Psicomotor / Atención / Toma de Decisiones / Función Ejecutiva / Memoria Episódica / Inhibición Psicológica Tipo de estudio: Prognostic_studies Límite: Adult / Humans Idioma: En Revista: Cognition Año: 2019 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Desempeño Psicomotor / Atención / Toma de Decisiones / Función Ejecutiva / Memoria Episódica / Inhibición Psicológica Tipo de estudio: Prognostic_studies Límite: Adult / Humans Idioma: En Revista: Cognition Año: 2019 Tipo del documento: Article Pais de publicación: Países Bajos