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Central Auditory System Implications for the Blast-exposed Patient, presented in partnership with the Defense Hearing Center of Excellence supported by the Department of Veterans Affairs and the Department of Defense

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1.  Gallun et al. (2012) study that evaluated auditory processing on military service members after blast- exposure during deployment reported that: There was no difference in performance on auditory processing tests in the blast-exposed group when compared to age and hearing matched controls. Nearly 20% of the blast-exposed group was abnormal on 2 or more tests of auditory processing. Nearly 40% of blast-exposed service members with a diagnosis of mild TBI were abnormal on 2 or more tests of auditory processing. Nearly 40% of blast-exposed service members with or without the diagnosis of mild TBI were abnormal on two or more tests of auditory processing.

2.  Which of the following auditory symptoms are often associated with blast exposure: Difficulty hearing when in the presence of background noise. Difficulty understanding speech when there are multiple speakers at a time. Tinnitus and/or hyperacusis All of the above

3.  A screening tool that may hold promise in identifying potential auditory processing difficulties included which of the following tests: MLD and Modified Quick SIN SSW and Gaps In Noise Test Dichotic Digits and Dichotic Sentence Identification None of the above

4.  Auditory processing deficiencies are: Exclusively linked to mTBI Only seen in cases with dual diagnosis of TBI/PTSD Multi-factorial and often co-occur with other post-deployment symptoms The result of peripheral hearing deficits

5.  Auditory tasks activate auditory and non-auditory areas of the brain, including brain regions involved in Attention and working memory Executive functions Language processing and motor planning All of the above

6.  The first step in a treatment model for auditory processing that promotes self-efficacy and independence is Providing computer exercises for attention and memory Normalizing symptoms and setting an expectation for improvement Heightening awareness of their difficulties Individualizing compensatory strategies

7.  The evidence shows that in order for compensatory strategies to be effective, training must Be meaningful, sufficient and systematic Not include the use of auditory or cognitive technologies Focus only on auditory modalities and strategies Exceed the cognitive capacity of the individual

8.  Which of the following symptoms is among the most common ear complaints reported by individuals immediately following a significant blast exposure? Itchiness Auditory hallucinations Popping sound in the ears Distorted Hearing

9.  Which of the following are the most common auditory complaints noted on a modified version of the Speech, Spatial, and Qualities of Hearing Scale (SSQ) at the time of an auditory processing evaluation? Ignoring other sounds when listening to speech Increased need to focus to understand speech Following speech in multi-speaker environments All of the above

10.  Which test(s) did the Gallun et al. (2012) study show is sensitive to a history of blast exposure? Staggered Spondaic Word test P300 Quick Speech In Noise test All of the above