Eye tracking is being used by physicians and scientists to measure cognitive performance and monitor cognition in people at risk for cognitive decline.

You can hope that your doctor and hospital use this testing to baseline your cognitive abilities to see if you need immediate cognitive protocols. But that won't occur in your incompetent stroke hospitals. You can call the stroke hospital president but s/he will just blow you off because you are stroke addled.  You absolutely need this testing. Because:

1. A documented 33% dementia chance post-stroke from an Australian study?   May 2012.
2. Then this study came out and seems to have a range from 17-66%. December 2013.
3. A 20% chance in this research.   July 2013.

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Eye tracking overview

The measurement of eye movements offers unique insights into the brain and critical aspects of cognition. Assessments of speed, direction and larger patterns of eye movements serve as markers of memory performance. For this reason, eye tracking is being used by physicians and scientists to measure cognitive performance and monitor cognition in people at risk for cognitive decline.

Risk of Cognitive Decline in Emory Study Participants.

Percentage of those developing MCI or Alzheimer’s Disease in 3 years after initial testing

0% risk High Scoring  Initial scores of 67+

20% risk Average Scoring Initial scores of 50-67

90% risk Low Scoring Initial scores below 50

More at link.