What is the Horizontal Gaze Nystagmus Test?
Alcohol is a central nervous system depressant affecting many of the higher as well as lower motor control systems of the body. This results in poor motor coordination, sluggish reflexes, and emotional instability. The part of the nervous system that fine-tunes and controls hand movements and body posture also controls eye movements. When intoxicated, a person’s nervous system will display a breakdown in the smooth and accurate control of eye movements. This breakdown [Read the full post. . .]
Standardized Field Sobriety Tests are commonly known as the roadside activities that police officers ask drivers to perform if the officer suspects that the driver is impaired by alcohol or another impairing substance. We call them “stupid human tricks.” Contrary to popular understanding and belief, many of these tests have little basis in science, and the ones that do are frequently performed incorrectly.
NHTSA has developed a new “GUIDE” in assessing Standardized Field Sobriety Tests. The new (March, 2013) version [Read the full post. . .]
The National Highway Safety and Traffic Administration’s standardized field sobriety tests were developed based on a 1977 study. The subjects of this study had blood alcohol content levels ranging from zero to .15 percent. Though there was such a large different between the test subjects, there was a 47 percent error rate in determining a person’s impairment after administering the standardized field sobriety tests. 47%! This means that almost half of the people were misidentified by police officers as [Read the full post. . .]
A drunk driving charge can affect you in ways that you may not expect. Listed below are some of the more vexing issues associated with an Ohio DUI (OVI) charge.
1. Child Custody – If you are involved in a custody dispute, or have a vindictive spouse who would like to start one, a DUI/OVI conviction can be used against you in domestic relations court. Automatic suspensions may make it difficult to exercise visitation with your children. You may [Read the full post. . .]
Ohio has adopted the three-test field sobriety protocol as set forth in the National Highway Traffic Safety Administration (NHTSA) manual for training law enforcement officers. The three tests adopted by NHTSA all survived scientific scrutiny as being indicative of impairment. The tests are: (1) horizontal gaze nystagmus, a test of the subject’s eyes; (2) walk & turn; (3) one-leg-stand. The officer is trained to administer the tests in a standardized fashion and record “clues” of impairment as evidenced by the [Read the full post. . .]