Age-related differences in bottom-up and top-down attention: Insights from EEG and MEG.

ABSTRACT: Attention operates through top-down and bottom-up processes, and a balance between these processes is crucial for daily tasks. Imperilling such balance could explain ageing-associated attentional problems such as exacerbated distractibility. In this study, we aimed to characterize this enhanced distractibility by investigating the impact of ageing upon event-related components associated with top-down and bottom-up attentional processes. MEG and EEG data were acquired from 14 older and 14 younger healthy adults while performing a task that conjointly evaluates top-down and bottom-up attention. Event-related components were analysed on sensor and source levels. In comparison with the younger group, the older mainly displayed (1) reduced target anticipation processes (reduced CMV), (2) incre

SUBMITTER: ElShafei HA 

PROVIDER: S-EPMC9303169 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature