Publications by authors named "Heather Roy"

U.S. service members maintain constant situational awareness (SA) due to training and experience operating in dynamic and complex environments.

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An event or experience can induce different emotional responses between individuals, including strong variability based on task parameters or environmental context. Physiological correlates of emotional reactivity, as well as related constructs of stress and anxiety, have been found across many physiological metrics, including heart rate and brain activity. However, the interdependances and interactions across contexts and between physiological systems are not well understood.

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Objective: Intelligence analysis is a necessary operation for organizations engaged in adversarial decision making in military, criminal justice, and civil spheres. In particular, we focus on studying the sentiment of actors in a military-relevant decision-making task and how information pertaining to these actors is presented.

Background: Two intelligence analysis systems were created to represent sentiment data.

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Article Synopsis
  • Extensive laboratory research focuses on the effects of acute sleep deprivation, but there's a lack of understanding regarding natural sleep loss patterns and their impact on daily functioning.
  • The study monitored 30 healthy adults for up to 16 weeks using wrist actigraphy and sleep logs, assessing agreements between subjective and objective sleep measures.
  • Results showed strong agreement for sleep onset/offset times, but poor agreement on wakefulness-related variables, with notable compliance decline over time and individual variations influencing outcomes.
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