Alcohol Impairment & Your Ears

DUI questions
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Charles is a frequent speaker and a prolific writer on all matters related to OVI / DUI defense.

Ear

Alcohol acts as a sedative on the central nervous system, which explains the impaired speech, vision, coordination, and concentration. But the part of the brain it affects the most is the part responsible for behavior and emotion. Your sense of judgment is weakened, and suddenly speaking your mind doesn’t seem so bad. You feel braver since your socially conditioned safety stops or filters are circumvented.  But how does it affect your hearing?

According to studies, “[a]uditory acuity is not generally affected in humans at low blood alcohol levels (less that 0.10 g/dL).  Pihkanen & Kauko (1962) reported impairment in two out of three tests performed to measure auditory capability at average blood levels of 0.10 g/dL.  A large decrement in discrimination between volumes and intensity of sounds but a less clear effect on ability to detect faint sounds has been reported. (Jellinik & McFarland, 1940).  Olfactory and taste are affected at low doses of alcohol (0.1 – 0.2 g/kg). These senses may be affected at blood levels of .04 g/dL or greater (Wallgren and Barry, 1970).

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