Cusp Catastrophe Models for Cognitive Workload and Fatigue in a Vigilance Task

Guastello, Stephen J.; Malon, Matthew; Timm, Paul; Weinberger, Kelsey; Gorin, Hillary; Fabisch, Megan; Poston, Kirsten

doi:10.1037/e608522012-014

Cited by 2 publications

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“…Most of these models aim to provide a detailed account of behavior, but draw on different cognitive modeling frameworks. Examples include non-linear dynamic models based on catastrophe theory (Guastello et al, 2015), cognitive architectural models based on ACT-R (Juvina and Taatgen, 2007), detailed cognitive processing models based on the HY-GENE hypothesis generation framework (Harbison et al, 2011), and a number of connectionist models (Chatham et al, 2011;Sylvester et al, 2013).…”

Section: Previous Cognitive Modelsmentioning

confidence: 99%

A Multinomial Processing Tree Model of the 2-back Working Memory Task

2022

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The n-back task is a widely used behavioral task for measuring working memory and the ability to inhibit interfering information. We develop a novel model of the commonly used 2-back task using the cognitive psychometric framework provided by Multinomial Processing Trees. Our model involves three parameters: a memory parameter, corresponding to how well an individual encodes and updates sequence information about presented stimuli; a decision parameter corresponding to how well participants execute choices based on information stored in memory; and a baserate parameter corresponding to bias for responding "yes" or "no". We test the parameter recovery properties of the model using existing 2-back experimental designs, and demonstrate the application of the model to two previous data sets: one from social psychology involving faces corresponding to different races (Stelter and Degner, British Journal of Psychology 109:777-798, 2018), and one from cognitive neuroscience involving more than 1000 participants from the Human Connectome Project (Van Essen et al., Neuroimage 80:62-79, 2013). We demonstrate that the model can be used to infer interpretable individual-level parameters. We develop a hierarchical extension of the model to test differences between stimulus conditions, comparing faces of different races, and comparing face to non-face stimuli. We also develop a multivariate regression extension to examine the relationship between the model parameters and individual performance on standardized cognitive measures including the List Sorting and Flanker tasks. We Michael D. Lee,

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Section: Previous Cognitive Modelsmentioning

confidence: 99%

A Multinomial Processing Tree Model of the 2-back Working Memory Task

2022

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“…The nexus of the phenomena has perplexed psychologists for over a century (Ackerman, 2011). A viable theoretical solution is to capture CWLF as two separate cusp catastrophe processes (Guastello, 2003; Guastello, Boeh, et al, 2013; Guastello, Boeh, Schimmels, et al, 2012; Guastello, Boeh, Shumaker, & Schimmels, 2012; Guastello, Malon, et al, 2012; Guastello, Shircel, et al, 2013). The structures of the two models are the same (see Figure 1), but the contributing variables are different.…”

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“…4. In the particular case of a vigilance task, frustration was the bifurcation (rigidity) variable in the workload model, and completion of a secondary task was the bifurcation variable in the fatigue model (Guastello, Malon, et al, 2012). Work speed, which was system driven rather than voluntary, acted as a compensatory ability; slowing down produced smaller increases in errors over time compared to speeding up.…”

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Vigilance phenomena, cognitive workload, and fatigue.

Guastello

2014

American Psychologist

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Comments on the original record by Hancock (see record 2012-28202-001) regarding the problem of iatrogenically created psychological phenomena. This comment offers a solution to two of the problems that Hancock identified in his integrative review of vigilance research. First, the performance decrement over time that can set in within a half hour of performing a vigilance task in the laboratory is much less likely to occur in real-world conditions; performance improvements have also been noted. Second, a paradigm shift in the framing of questions and experimental designs is probably required to further research on these phenomena, which appear to grow in complexity (Hancock, 2013, p. 107).

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Cusp Catastrophe Models for Cognitive Workload and Fatigue in a Vigilance Task

Cited by 2 publications

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A Multinomial Processing Tree Model of the 2-back Working Memory Task

A Multinomial Processing Tree Model of the 2-back Working Memory Task

Vigilance phenomena, cognitive workload, and fatigue.

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