Standardized Field Sobriety Test Course
Session 1 - Introduction
Glossary of Terms
FIELD SOBRIETY TEST
Any one of several roadside tests that can be used to determine whether a
subject is impaired.
A vivid recollection of a portion of an hallucinogenic experience. Essentially, it is
a very intense daydream. There are three types: (1) emotional -- feelings of
panic, fear, etc.; (2) somatic -- altered body sensations, tremors, dizziness, etc.;
and (3) perceptual -- distortions of vision, hearing, smell, etc.
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Chatter, rambling or pointless speech. Talkative.
A sensory experience of something that does not exist outside the mind, e.g.,
seeing, hearing, smelling, or feeling something that isn't really there. Also,
having a distorted sensory perception, so that things appear differently than they
One of the seven drug categories. Hallucinogens include LSD, MDMA, Peyote,
Psilocybin, and numerous other drugs.
A form of cannabis made from the dried and pressed resin of a marijuana plant.
Sometimes referred to as “marijuana oil” it is a highly concentrated syrup-like oil
extracted from marijuana. It is normally produced by soaking marijuana in a
container of solvent, such as acetone or alcohol for several hours and after the
solvent has evaporated, a thick syrup-like oil is produced with a higher THC
A powerful and widely-abused narcotic analgesic that is chemically derived from
morphine. The chemical, or generic name of heroin is "diacetyl morphine".
A rhythmic change in the pupil size of the eyes, as they dilate and constrict when
observed in darkness independent of changes in light intensity, accommodation
(focusing), or other forms of sensory stimulation. Normally only observed with
The dynamic balance, or steady state, involving levels of salts, water, sugars,
and other materials in the body's fluids.
HORIZONTAL GAZE NYSTAGMUS (HGN)
Involuntary jerking of the eyes occurring as the eyes gaze to the side. The first
test administered in the SFST battery.
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Chemicals produced by the body's endocrine system that are carried through the
blood stream to the target organ. They exert great influence on the growth and
development of the individual, and that aid in the regulation of numerous body
A metabolite of THC (tetrahydrocannabinol).
Exaggerated or over extended motions.
Excess sugar in the blood.
A deep, rapid or labored breathing.
Extremely high body temperature.
A neurological condition marked by increased reflex reactions.
Abnormally high blood pressure. Do not confuse this with hypotension.
An abnormal decrease of blood sugar levels.
Shallow or slow breathing.
Abnormally low blood pressure. Do not confuse this with hypertension.
Decreased body temperature.