One of the standardized field sobriety tests (FSTs) used by law enforcement for a DUI arrest is the Horizontal Gaze Nystagmus (HGN) Field Sobriety test, often abbreviated as the HGN FST.

Oct 28, 2023 · Horizontal gaze nystagmus (HGN) is the involuntary jerking of one’s eye when it gazes to the side. Alcohol use exaggerates this jerking motion. The HGN test is evidence of impairment in DUI …

NHTSA | National Highway Traffic Safety Administration

Dec 14, 2022 · Horizontal gaze nystagmus (HGN) describes uncontrollable horizontal eye movements brought on by alcohol intoxication.

Horizontal Gaze Nystagmus (HGN) is a form of jerk nystagmus where the saccadic movement is towards the direction of the gaze. HGN is an involuntary motion that is not controlled by the subject.

Horizontal Gaze Nystagmus (HGN) is a condition characterized by involuntary, horizontal eye movements. It's a phenomenon that can be indicative of various health issues or physiological states. …

As such, the horizontal gaze nystagmus test is used by law enforcement agents to evaluate an individual's nystagmus in order to determine if probable cause exists for a drunk-driving arrest.

Dec 30, 2023 · The sobriety eye test, also known as the horizontal gaze nystagmus (HGN) test, is a common field sobriety test used by law enforcement officers to help determine if a driver is under the …

A properly administered Horizontal Gaze Nystagmus will have at least 14 passes of the stimulus and take a minimum of 82 seconds to complete. To learn more about the specifics necessary to properly …

The Horizontal Gaze Nystagmus (HGN) test is a critical component of field sobriety tests used by law enforcement officers to determine a driver’s level of intoxication.