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  2. Field sobriety testing - Wikipedia

    en.wikipedia.org/wiki/Field_sobriety_testing

    Impaired driving, referred to as Driving Under the Influence (DUI), or Driving While Intoxicated (DWI), is the crime of driving a motor vehicle while impaired by alcohol or other drugs (including recreational drugs and those prescribed by physicians), to a level that renders the driver incapable of operating a motor vehicle safely.

  3. Drunk driving in the United States - Wikipedia

    en.wikipedia.org/wiki/Drunk_driving_in_the...

    The Horizontal Gaze Nystagmus Test, which involves following an object with the eyes (such as a pen) to determine characteristic eye movement reaction. [60] The Walk-and-Turn Test (heel-to-toe in a straight line). This test is designed to measure a person's ability to follow directions and remember a series of steps while dividing attention ...

  4. Parks–Bielschowsky three-step test - Wikipedia

    en.wikipedia.org/wiki/Parks–Bielschowsky_three...

    The physiologic basis of the head tilt test was explained by Alfred Bielschowsky and Hofmann [8] in 1935. [9] However, Nagel described it 30 years prior to Bielschowsky when he noted that the combined action of the superior rectus muscle and the superior oblique muscle of one eye and of the inferior rectus and inferior oblique muscles in the fellow eye causes incycloduction and excycloduction ...

  5. Are DUI checkpoints legal in Kansas and Missouri? Here ... - AOL

    www.aol.com/news/dui-checkpoints-legal-kansas...

    Any Kansas or Missouri driver may have had this experience at some point: You reach a checkpoint in the road where police officers are stopping cars and testing people for signs of impairment.

  6. Loophole helping drivers skip DUI checkpoints

    www.aol.com/news/2015-02-23-loophole-helping...

    ST. LOUIS, MO (KTVI) – Some attorneys say there's a legal loophole that drivers can use to get through sobriety checkpoints and not speak with officers.It's called the Fair DUI Flyer.Thanks to ...

  7. Electronystagmography - Wikipedia

    en.wikipedia.org/wiki/Electronystagmography

    Electronystagmography (ENG) is a diagnostic test to record involuntary movements of the eye caused by a condition known as nystagmus. It can also be used to diagnose the cause of vertigo, dizziness or balance dysfunction by testing the vestibular system. [1] Electronystagmography is used to assess voluntary and involuntary eye movements. [2]

  8. Smooth pursuit - Wikipedia

    en.wikipedia.org/wiki/Smooth_pursuit

    An eye movement shifts the orientation of the coil to induce an electric current, which is translated into horizontal and vertical eye position. The second technique is an eye tracker . This device, while somewhat more noisy, is non-invasive and is often used in human psychophysics and recently also in instructional psychology.

  9. Conjugate eye movement - Wikipedia

    en.wikipedia.org/wiki/Conjugate_eye_movement

    A conjugate eye movement is a movement of both eyes in the same direction to maintain binocular gaze (also referred to as “yoked” eye movement). This is in contrast to vergence eye movement, where binocular gaze is maintained by moving eyes in opposite directions, such as going “cross eyed” to view an object moving towards the face.