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Apr 3, 2021

Signal Detection Theory Can Be Used to Objectively Measure Cognitive Fatigue

Posted by in category: neuroscience

Summary: Two key metrics of signal detection theory, perceptual certainty and response bias, correlate with changes in cognitive fatigue.

Source: Kessler Foundation.

A team of New Jersey researchers has shown that changes in perceptual certainty and response bias, two central metrics of signal detection theory (SDT), correlate with changes in cognitive fatigue. They also show that SDT measures change as a function of changes in brain activation.

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