Measuring Sustained Attention and Perceived Workload

Laurie-Rose, Cynthia; Curtindale, Lori M.; Frey, Meredith

doi:10.1177/0018720816684063

Cited by 6 publications

(3 citation statements)

References 46 publications

(48 reference statements)

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“…Participants performed three iterations of the task at each effort level (i.e., 18 trials). After the experience of each effort level, participants were given a child adapted NASA Task Load Index to report perceptions of the task (Laurie-Rose et al, 2017).…”

Section: Methodsmentioning

confidence: 99%

Effort-related decision-making and its underlying processes during childhood.

Ganesan¹,

Steinbeis²

2021

Developmental Psychology

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Humans tend to avoid cognitive effort. Whereas evidence of this abounds in adults, little is known about its emergence and development in childhood. The few existing studies in children use different experimental paradigms and report contradictory developmental patterns. We examined effort-related decision-making in a sample of 79 five-to 11-year-olds using a parametric induction of cognitive effort and three paradigms that each involved decision-making between low-and high-effort options but varied in how explicit effort was made. This included a demand avoidance and an effort discounting paradigm. We also probed cognitive processes linked to effort-related decisions, including task performance, metacognitive accuracy, effort perception, and mental demand. We found that children of all ages were sensitive to parametric modulations of cognitive effort as indicated by self-report. In terms of effort-related decision-making we found that overall children demonstrated no implicit behavioral preference for low effort tasks, that older children stated a preference for low effort tasks, and that all children discounted effort. Further, implicit preference in the demand avoidance paradigm was linked to children's metacognitive insight into how well they could perform effortful tasks. These findings strongly suggest that although children are clearly sensitive to manipulations of cognitive effort, whether and when they use this information to guide their decisions to engage in effortful tasks depends strongly on the extent to which effortful features are made salient to them.

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Section: Methodsmentioning

confidence: 99%

Effort-related decision-making and its underlying processes during childhood.

Ganesan¹,

Steinbeis²

2021

Developmental Psychology

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“…After the session was completed participants self-reported, using a 5-point Likert scale, their overall enjoyment of the session. The NASA-TLX, adapted for children (Laurie-Rose et al, 2017), was used to assess workload. The NASA-TLX is a self-assessment of perceived workload across six dimensions -physical, mental, and temporal demand and effort, frustration, and performance.…”

Section: Post-session Questionnairementioning

confidence: 99%

“…It is a commonly used metric for assessing BCI usability (Kübler et al, 2014;Rhiu et al, 2019). Adaptations to the NASA-TLX for children included: simplifying the language of the questions, using symbolic representations in addition to numerical responses, and reducing the total number of response options (Laurie-Rose et al, 2017). Non-verbal participants used partner-assisted scanning and their communication cue/gesture for "yes" to select their desired rating.…”

Section: Post-session Questionnairementioning

confidence: 99%

On the feasibility of simple brain-computer interface systems for enabling children with severe physical disabilities to explore independent movement

Floreani

Rowley

Kelly

et al. 2022

Front. Hum. Neurosci.

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IntroductionChildren with severe physical disabilities are denied their fundamental right to move, restricting their development, independence, and participation in life. Brain-computer interfaces (BCIs) could enable children with complex physical needs to access power mobility (PM) devices, which could help them move safely and independently. BCIs have been studied for PM control for adults but remain unexamined in children. In this study, we explored the feasibility of BCI-enabled PM control for children with severe physical disabilities, assessing BCI performance, standard PM skills and tolerability of BCI.Materials and methodsPatient-oriented pilot trial. Eight children with quadriplegic cerebral palsy attended two sessions where they used a simple, commercial-grade BCI system to activate a PM trainer device. Performance was assessed through controlled activation trials (holding the PM device still or activating it upon verbal and visual cueing), and basic PM skills (driving time, number of activations, stopping) were assessed through distance trials. Setup and calibration times, headset tolerability, workload, and patient/caregiver experience were also evaluated.ResultsAll participants completed the study with favorable tolerability and no serious adverse events or technological challenges. Average control accuracy was 78.3 ± 12.1%, participants were more reliably able to activate (95.7 ± 11.3%) the device than hold still (62.1 ± 23.7%). Positive trends were observed between performance and prior BCI experience and age. Participants were able to drive the PM device continuously an average of 1.5 meters for 3.0 s. They were able to stop at a target 53.1 ± 23.3% of the time, with significant variability. Participants tolerated the headset well, experienced mild-to-moderate workload and setup/calibration times were found to be practical. Participants were proud of their performance and both participants and families were eager to participate in future power mobility sessions.DiscussionBCI-enabled PM access appears feasible in disabled children based on evaluations of performance, tolerability, workload, and setup/calibration. Performance was comparable to existing pediatric BCI literature and surpasses established cut-off thresholds (70%) of “effective” BCI use. Participants exhibited PM skills that would categorize them as “emerging operational learners.” Continued exploration of BCI-enabled PM for children with severe physical disabilities is justified.

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