AI Article Synopsis
- This study investigates how switching between responses (RS) is affected in Parkinson's disease (PD), alongside the well-known task switching (TS) issues.
- Researchers compared 85 PD patients with 82 healthy participants using a gamified task that utilized both external (exogenous) and internal (endogenous) cues.
- Results showed that PD patients had more difficulty with RS when responding to external cues, suggesting they manage internal cues well but struggle with adapting to unexpected changes, highlighting the importance of support strategies in daily life.
Article Abstract
Switching, a critical executive function, can manifest as task switching (TS) or response switching (RS). Although TS impairments in Parkinson's disease (PD) are well-studied, RS, especially in contexts requiring adaptive behavior to external or internal cues, is less explored. This study evaluated the impact of PD on RS under exogenous and endogenous cueing. Using a gamified, remote task triggering these cues, RS was assessed in 85 PD patients and 82 neurologically healthy participants (NHP). RS cost was quantified by comparing reaction times between repeating and changing responses. A linear mixed model analyzed the effects of group, cueing mode, and their interaction on RS cost. PD patients exhibited increased RS costs under exogenous cueing but not under endogenous cueing. These findings indicate that while PD patients can effectively use predictive endogenous cues, they struggle with less predictive exogenous cues, emphasizing the need for compensatory strategies and technological aids in daily activities.
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| http://dx.doi.org/10.1177/08919887241311170 | DOI Listing |
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