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Field sobriety tests ( FSTs ), also referred to as standardized field sobriety tests ( SFSTs ), are a battery of tests used by police officers to determine if a person suspected of impaired driving is intoxicated with alcohol or other drugs. FSTs (and SFSTs) are primarily used in the United States, to meet "probable cause for arrest ...
Cannabis. Two main questions arise in the law surrounding driving after having ingested cannabis: (1) whether cannabis actually impairs driving ability, and (2) whether the common practice of testing for THC (the main psychoactive substance in cannabis) is a reliable means to measure impairment. On the first question, studies are mixed.
Positional alcohol nystagmus. Positional alcohol nystagmus (PAN) is nystagmus (visible jerkiness in eye movement) produced when the head is placed in a sideways position. PAN occurs when the specific gravity of the membrane space of the semicircular canals in the ear differs from the specific gravity of the fluid in the canals because of the ...
Sims said police can use the same field sobriety test for marijuana as officers use for alcohol. Once they arrest a driver, city police bring in police officer and drug recognition expert Marlo ...
Drunk driving remains a higher risk for accidents, but recent data suggests cannabis-related road incidents are on the rise. In the past, studies have linked smoking cannabis to slower driving ...
Being stoned behind the wheel can be more dangerous than driving drunk in Canada, where recreational cannabis was legalized in 2018, according to a new study.. Documented marijuana-related traffic ...
Drug Recognition Expert. A Drug Recognition Expert (DRE) is a law enforcement officer trained in a scientifically validated method to identify people whose driving is impaired by drugs other than, or in addition to, alcohol . All DREs follow the same 12 step procedure called a Drug Influence Evaluation (DIE), to purportedly determine which ...
Fast nystagmus is the second constituent eye movement in OKR. It consists of a rapid, resetting saccade in the opposite direction of the slow nystagmus (i.e., opposite to the stimulus motion). The purpose of the fast nystagmus is to keep the eye centered in the orbit, while the purpose of the slow nystagmus is to stabilize the moving visual ...