Home       About             Help       Phenotype data > CAST/EiJ strain > ear Options: balance hearing all Focus: all Measurements: About these CAST/EiJ averages (♀ ♂) Exit CAST/EiJ mode ear — balance — vestibular evoked potentials         vestibular stimulus test   Jones1 threshold stimulus response level (dB re: 1.0 g/ms)   [dB] ...... -4.50 (N=4)   16 strains   age 5-56wks   Inbred Jones1 latency of positive evoked potentials [µs]         • peak1  ...... 1486 (N=4) ▲         • peak2  ...... 2381 (N=4)         • peak3  ...... 3160 (N=2)           • comparison   16 strains   age 5-56wks   Inbred Jones1 amplitude of evoked potentials [µV]         • peak1  ...... 1.25 (N=4)         • peak2  ...... 0.792 (N=4) ▼           • comparison   16 strains   age 5-56wks   Inbred   ear — hearing — auditory brainstem response (ABR) threshold         ABR test   Johnson1 auditory brainstem response (ABR) threshold, sound pressure level [dB]         old group:             • click  ...... 35.8   38.9 ▼               • 8kHz pip  ...... 38.3   29.4 ▼               • 16kHz pip  ...... 11.7 ▼   15.6               • 32kHz pip  ...... 45.0 ▼   43.3 ▼                 • comparison   27 strains   age 15-72wks   Inbred Johnson1 auditory brainstem response (ABR) threshold         compare age groups:             click              8kHz pip              16kHz pip              32kHz pip              27 strains   ages shown   Inbred Johnson1 auditory brainstem response (ABR) threshold, sound pressure level [dB]         young group:             • click  ......             • 8kHz pip  ......             • 16kHz pip  ......             • 32kHz pip  ......               • comparison   42 strains   age 3-12wks   Inbred   ear — hearing — tympanometry         tympanometry   Zheng1 right ear [mL]         • compliance  ...... 0.284 ▼   0.255 (N=4) ▼         • volume  ...... 0.229   0.224 (N=4)         • gradient  ...... 0.0529 ▼   0.0533 (N=4)         • pressure [daPa]  ...... -126   -94.8 (N=4)           • comparison   61 strains   age 5-68wks   Inbred Zheng1 left ear [mL]         • compliance  ...... 0.328 ▼   0.271 (N=4) ▼         • volume  ...... 0.218   0.186 (N=4) ▼         • gradient  ...... 0.0562 ▼   0.0517 (N=4) ▼         • pressure [daPa]  ...... -115   -103 (N=4)           • comparison   61 strains   age 5-68wks   Inbred Zheng1 compare left vs. right         compliance        volume        gradient        pressure        61 strains   age 5-68wks   Inbred

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