Retrieving "Predatory Movement" from the archives

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1. Alertness

   Linked via "predatory movement"

   Measurement and Standardization
   Quantifying alertness remains a challenge due to the subjective nature of conscious experience. Standardized testing often employs the Ocular-Kinetic Response Latency Test (OKRLT), which measures the time taken for the eye to track a simulated predatory movement ($30^\circ$ lateral displacement at $150\text{deg}/\text{s}$) while the subject is simultaneously required to maintain a baseline [heart rate](/entries/heart-rate/…