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    Performance of Drivers with Parkinson's Disease under the Effect of Cognitive Overloading: Insinuation for Assessment and Training

    Access Status
    Fulltext not available
    Authors
    Lee, Hoe
    Falkmer, Torbjorn
    Chee, Derserri
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Lee, Hoe and Falkmer, Torbjorn and Chee, Derserri Yanting. 2011. Performance of Drivers with Parkinson's Disease under the Effect of Cognitive Overloading: Insinuation for Assessment and Training, in 3rd International Conference on Road Safety and Simulation, Sep 14-16 2011, pp. 1-18. Indianapolis: Center for Road Safety (Purdue University) and Transportation Research Board.
    Source Title
    TRB Final Program
    Source Conference
    3rd International Conference on Road Safety and Simulation
    School
    School of Occupational Therapy and Social Work
    URI
    http://hdl.handle.net/20.500.11937/15935
    Collection
    • Curtin Research Publications
    Abstract

    Signs and symptoms of Parkinson’s Disease include a combination of slowness of movement, increased tone, tremor and loss of postural reflexes. Cognitive changes and dementia can also be found in older people suffering from PD. The excessive expenditure of cerebral resources in multitasks can cause cognitive overload resulting in deterioration of functional performance. Previous research has highlighted that the balance of cognitive overload is essential for safe driving; however, this has not yet been researched in relation to people with PD. When exposed to demanding traffic scenarios, PD drivers who have already coupled with mental inflexibility and sluggish reasoning can reach dangerous level of cognitive overload. The present study employed computation of arithmetic sums as secondary task to investigate the effect of cognitive overloading on older PD drivers. Methodology: A pre-post case-control study design was implemented. Convenience sample of 28 mild to moderate stages of PD drivers and 30 age-matched healthy controls were recruited and their motor and cognitive functions were assessed. Participants were then assessed twice using a driving simulator: one with exposure to the secondary task and the other without. Results: When compared with healthy controls, PD drivers scored lower in motor and cognitive psychometric assessments and performed less competently in driving assessments (P<0.001). PD drivers drove more cautiously and took more time to complete all the driving tests when compared with the healthy counterparts (P < 0.001). With the distraction of the secondary task, both the performance of PD drivers and controls declined, but PD drivers to a great extent. The Trail-Making Test-B was found to be valuable in predicting the overall performance of PD drivers.Conclusion: The ability of PD participants was observed to have significant deterioration in driving through T-junctions and roundabouts. PD drivers should avoid multitasks in driving as cognitive overload result from which can compound the problem of indecisiveness of the drivers; leading to inconvenience or dangers to other road users. Training on PD drivers should emphasize on intersection manoeuvre management.

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    • Performance of drivers with Parkinson's Disease under the effect of cognitive overloading: insinuation for assessment and training
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      Background: Signs and symptoms of Parkinson’s disease (PD) include a combination of slowness of movement, increased tone, tremor and loss of postural reflexes. Cognitive changes and dementia can also be found in older ...
    • Investigating cognitive ability and self-reported driving performance of post-stroke adults in a driving simulator
      Blane, Alison; Falkmer, Torbjorn; Lee, Hoe; Dukic Willstrand, T. (2018)
      Background: Safe driving is a complex activity that requires calibration. This means the driver can accurately assess the level of task demand required for task completion and can accurately evaluate their driving capability. ...
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      Driving is a highly complex task requiring multiple cognitive processes that can be adversely affected post-stroke. It is unclear how much ability post-stroke adults have to self-evaluate their driving performance. ...
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