scholarly journals Assessment of prospective memory after stroke utilizing virtual reality

2021 ◽  
Author(s):  
Christy Hogan ◽  
Petrea Cornwell ◽  
Jennifer Fleming ◽  
David W. K. Man ◽  
David H. K. Shum
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Convergent Validity ◽  
Ecological Validity ◽  
Test Results ◽  
User Friendliness ◽  
Actual Performance ◽  
Neuropsychological Measures ◽  
Strategic Monitoring ◽  
Event Based

AbstractProspective Memory (PM) is the ability to remember to do something in the future. It is often impaired after stroke and can impact on an individual’s level of independence and daily functioning. PM tasks have been criticized for their lack of ecological validity wherein test results may not be related to actual performance in daily life. With ecological validity in mind, the Virtual Reality Prospective Memory Shopping Task (VRPMST) was designed to assess two types of PM, time- and event-based. This study aimed to examine the ecological and convergent validity of the VRPMST in comparison to an experimental (Lexical Decision PM Task) and clinical measure of PM (Cambridge PM Test). Twelve individuals with stroke and 12 controls were administered three PM measures, three neuropsychological measures, and two user-friendliness questionnaires, one for the experimental PM measure and one for the VRPMST. Individuals with stroke showed impairments in PM compared to controls on all three PM measures, particularly time-based PM. Individuals with stroke were found to monitor time significantly less than controls on both the experimental PM measure and the VRPMST. The VRPMST was found to be sensitive in measuring PM, have better ecological validity when compared to the experimental PM measure, and good convergent validity. The findings of this study have helped to clarify that PM impairment does exist after stroke, possibly due to a problem in strategic monitoring. In addition, we have demonstrated how VR technology can be used to design a measure of cognitive function commonly impaired after stroke.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the influence of attention, memory, and executive function processes on real-world prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Visuospatial Attention ◽  
Immersive Virtual Reality ◽  
Neuropsychological Battery ◽  
Research Paradigms ◽  
Planning Ability ◽  
Delayed Recognition ◽  
Event Based

Studies on prospective memory (PM) predominantly assess either event- or time-based PM by implementing non-ecological laboratory-based tasks. The results deriving from these paradigms have provided findings that are discrepant with ecologically valid research paradigms that converge on the complexity and cognitive demands of everyday tasks. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality (VR) neuropsychological battery with enhanced ecological validity, was implemented to assess everyday event- and time-based PM, as well as the influence of other cognitive functions on everyday PM functioning. The results demonstrated the importance of delayed recognition, planning, and visuospatial attention on everyday PM. Delayed recognition and planning ability were found to be central in event- and time-based PM respectively. In order of importance, delayed recognition, visuospatial attention speed, and planning ability were found to be involved in event-based PM functioning. Comparably, planning, visuospatial attention accuracy, delayed recognition, and multitasking/task-shifting ability were found to be involved in time-based PM functioning. These findings further suggest the importance of ecological validity in the study of PM, which may be achieved using immersive VR paradigms.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the influence of attention, memory, and executive function processes on real-world prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Visuospatial Attention ◽  
Immersive Virtual Reality ◽  
Neuropsychological Battery ◽  
Research Paradigms ◽  
Planning Ability ◽  
Delayed Recognition ◽  
Event Based

Studies on prospective memory (PM) predominantly assess either event- or time-based PM by implementing non-ecological laboratory-based tasks. The results deriving from these paradigms have provided findings that are discrepant with ecologically valid research paradigms that converge on the complexity and cognitive demands of everyday tasks. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality (VR) neuropsychological battery with enhanced ecological validity, was implemented to assess everyday event- and time-based PM, as well as the influence of other cognitive functions on everyday PM functioning. The results demonstrated the importance of delayed recognition, planning, and visuospatial attention on everyday PM. Delayed recognition and planning ability were found to be central in event- and time-based PM respectively. In order of importance, delayed recognition, visuospatial attention speed, and planning ability were found to be involved in event-based PM functioning. Comparably, planning, visuospatial attention accuracy, delayed recognition, and multitasking/task-shifting ability were found to be involved in time-based PM functioning. These findings further suggest the importance of ecological validity in the study of PM, which may be achieved using immersive VR paradigms.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the effects of delay and task type on everyday prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Simona Collina ◽  
Leonidas A. A. Doumas ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Task Type ◽  
Immersive Virtual Reality ◽  
Neuropsychological Tasks ◽  
Cue Focality ◽  
Methodological Considerations ◽  
Everyday Performance ◽  
Event Based

Recent research has focused on assessing either event- or time-based prospective memory (PM) using laboratory tasks. Yet, the findings pertaining to PM performance on laboratory tasks are often inconsistent with the findings on corresponding naturalistic experiments. Ecologically valid neuropsychological tasks resemble the complexity and cognitive demands of everyday tasks, offer an adequate level of experimental control, and allow a generalisation of the findings to everyday performance. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality neuropsychological battery with enhanced ecological validity, was implemented to comprehensively assess everyday PM (i.e., focal and non-focal event-based, and time-based). The effects of the length of delay between encoding and initiating the PM intention and the type of PM task on everyday PM performance were examined. The results revealed that everyday PM performance was affected by the length of delay rather than the type of PM task. The effect of the length of delay differentially affected performance on the focal, non-focal, and time-based tasks and was proportional to the PM cue focality (i.e., semantic relationship with the intended action). This study also highlighted methodological considerations such as the differentiation between functioning and ability, distinction of cue attributes, and the necessity of ecological validity.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the effects of delay and task type on everyday prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Simona Collina ◽  
Leonidas A. A. Doumas ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Task Type ◽  
Immersive Virtual Reality ◽  
Neuropsychological Tasks ◽  
Cue Focality ◽  
Methodological Considerations ◽  
Everyday Performance ◽  
Event Based

Recent research has focused on assessing either event- or time-based prospective memory (PM) using laboratory tasks. Yet, the findings pertaining to PM performance on laboratory tasks are often inconsistent with the findings on corresponding naturalistic experiments. Ecologically valid neuropsychological tasks resemble the complexity and cognitive demands of everyday tasks, offer an adequate level of experimental control, and allow a generalisation of the findings to everyday performance. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality neuropsychological battery with enhanced ecological validity, was implemented to comprehensively assess everyday PM (i.e., focal and non-focal event-based, and time-based). The effects of the length of delay between encoding and initiating the PM intention and the type of PM task on everyday PM performance were examined. The results revealed that everyday PM performance was affected by the length of delay rather than the type of PM task. The effect of the length of delay differentially affected performance on the focal, non-focal, and time-based tasks and was proportional to the PM cue focality (i.e., semantic relationship with the intended action). This study also highlighted methodological considerations such as the differentiation between functioning and ability, distinction of cue attributes, and the necessity of ecological validity.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the effects of delay and task type on everyday prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Simona Collina ◽  
Leonidas A. A. Doumas ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Task Type ◽  
Immersive Virtual Reality ◽  
Neuropsychological Tasks ◽  
Cue Focality ◽  
Methodological Considerations ◽  
Everyday Performance ◽  
Event Based

Recent research has focused on assessing either event- or time-based prospective memory (PM) using laboratory tasks. Yet, the findings pertaining to PM performance on laboratory tasks are often inconsistent with the findings on corresponding naturalistic experiments. Ecologically valid neuropsychological tasks resemble the complexity and cognitive demands of everyday tasks, offer an adequate level of experimental control, and allow a generalisation of the findings to everyday performance. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality neuropsychological battery with enhanced ecological validity, was implemented to comprehensively assess everyday PM (i.e., focal and non-focal event-based, and time-based). The effects of the length of delay between encoding and initiating the PM intention and the type of PM task on everyday PM performance were examined. The results revealed that everyday PM performance was affected by the length of delay rather than the type of PM task. The effect of the length of delay differentially affected performance on the focal, non-focal, and time-based tasks and was proportional to the PM cue focality (i.e., semantic relationship with the intended action). This study also highlighted methodological considerations such as the differentiation between functioning and ability, distinction of cue attributes, and the necessity of ecological validity.

scholarly journals An ecologically valid examination of event-based and time-based prospective memory using immersive virtual reality: the influence of attention, memory, and executive function processes on real-world prospective memory.

2021 ◽  
Author(s):  
Panagiotis Kourtesis ◽  
Sarah E. MacPherson
Keyword(s):  
Virtual Reality ◽  
Prospective Memory ◽  
Ecological Validity ◽  
Visuospatial Attention ◽  
Immersive Virtual Reality ◽  
Neuropsychological Battery ◽  
Research Paradigms ◽  
Planning Ability ◽  
Delayed Recognition ◽  
Event Based

Studies on prospective memory (PM) predominantly assess either event- or time-based PM by implementing non-ecological laboratory-based tasks. The results deriving from these paradigms have provided findings that are discrepant with ecologically valid research paradigms that converge on the complexity and cognitive demands of everyday tasks. The Virtual Reality Everyday Assessment Lab (VR-EAL), an immersive virtual reality (VR) neuropsychological battery with enhanced ecological validity, was implemented to assess everyday event- and time-based PM, as well as the influence of other cognitive functions on everyday PM functioning. The results demonstrated the importance of delayed recognition, planning, and visuospatial attention on everyday PM. Delayed recognition and planning ability were found to be central in event- and time-based PM respectively. In order of importance, delayed recognition, visuospatial attention speed, and planning ability were found to be involved in event-based PM functioning. Comparably, planning, visuospatial attention accuracy, delayed recognition, and multitasking/task-shifting ability were found to be involved in time-based PM functioning. These findings further suggest the importance of ecological validity in the study of PM, which may be achieved using immersive VR paradigms.

Time-Based Prospective Memory Is Associated with Functional Performance in Persons with MS

2019 ◽  
Vol 25 (10) ◽  
pp. 1035-1043
Author(s):  
Erica Weber ◽  
Nancy D. Chiaravalloti ◽  
John DeLuca ◽  
Yael Goverover
Keyword(s):  
Executive Functions ◽  
Prospective Memory ◽  
Functional Performance ◽  
Ecological Validity ◽  
Community Dwelling ◽  
Everyday Functioning ◽  
Significant Relationships ◽  
Increased Risk ◽  
Memory For Intentions ◽  
Event Based

AbstractObjective:Persons with multiple sclerosis (MS) often report prospective memory (PM) failures that directly impact their everyday life. However, it is not known whether PM deficits confer an increased risk of poorer everyday functioning. The aims of this study were to: (1) compare time- (Time-PM) and event-based PM (Event-PM) performance between persons with MS and healthy controls (HCs), (2) examine the neuropsychological correlates of PM in MS, and (3) examine the relationship between PM and everyday functioning in MS.Method:A between-subjects design was used to examine 30 adults with MS and 30 community-dwelling HC. Participants were administered the Memory for Intentions Screening Test (MIST) to assess PM skills, the Actual Reality™ (AR) to assess everyday functioning, and a battery of cognitive tests.Results:The MS group performed significantly worse on Time-PM compared to HC but not on Event-PM tasks. While both Time-PM and Event-PM subscales were correlated with retrospective learning and memory, the MIST Time-PM subscale was correlated with executive functions. Significant correlations were observed between AR and the MIST Time-PM, but not Event-PM, subscales.Conclusions:The results highlight the role of executive functions on Time-PM. Furthermore, significant relationships with AR extend the ecological validity of the MIST to MS populations.

scholarly journals Sustained and Transient Processes in Event-based Prospective Memory in Adolescence and Adulthood

2020 ◽  
Vol 32 (10) ◽  
pp. 1924-1945
Author(s):  
Lucía Magis-Weinberg ◽  
Ruud Custers ◽  
Iroise Dumontheil
Keyword(s):  
Prospective Memory ◽  
Cognitive Processes ◽  
Age Groups ◽  
Neural Correlates ◽  
Task Demands ◽  
Proactive Control ◽  
Reactive Control ◽  
Strategic Monitoring ◽  
Cue Salience ◽  
Event Based

Prospective memory (PM) refers to the cognitive processes associated with remembering to perform an intended action after a delay. Varying the salience of PM cues while keeping the intended response constant, we investigated the extent to which participants relied on strategic monitoring, through sustained, top–down control, or on spontaneous retrieval via transient bottom–up processes. There is mixed evidence regarding developmental improvements in event-based PM performance after the age of 13 years. We compared PM performance and associated sustained and transient neural correlates in 28 typically developing adolescents (12–17 years old) and 19 adults (23–30 years old). Lower PM cue salience associated with slower ongoing task (OT) RTs, reflected by increased μ ex-Gaussian parameter, and sustained increases in frontoparietal activation during OT blocks, both thought to reflect greater proactive control supporting cue monitoring. Behavioral and neural correlates of PM trials were not specifically modulated by cue salience, revealing little difference in reactive control between conditions. The effect of cue salience was similar across age groups, suggesting that adolescents are able to adapt proactive control engagement to PM task demands. Exploratory analyses showed that younger, but not older, adolescents were less accurate and slower in PM trials relative to OT trials than adults and showed greater transient activation in PM trials in an occipito-temporal cluster. These results provide evidence of both mature and still maturing aspects of cognitive processes associated with implementation of an intention after a delay during early adolescence.

scholarly journals Electrophysiological Correlates of Strategic Monitoring in Event-Based and Time-Based Prospective Memory

PLoS ONE ◽  
2012 ◽  
Vol 7 (2) ◽  
pp. e31659 ◽  
Author(s):  
Giorgia Cona ◽  
Giorgio Arcara ◽  
Vincenza Tarantino ◽  
Patrizia Silvia Bisiacchi
Keyword(s):  
Prospective Memory ◽  
Strategic Monitoring ◽  
Event Based
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