Table 1.
Group information.
| Tinnitus Group | Control Group | |
|---|---|---|
| CHARACTERISTICS OF PARTICIPANTS | ||
| Number (male) | 11 (7) | 11 (6) |
| Age in Years Mean (SE) | 48.6 (4.75) | 53.9 (5.86) |
| Age Range in Years | 22−68 | 22−76 |
| AUDIOMETRIC DATA AND SOUND LEVELS | ||
| Mean (SE) threshold @ 2 kHz Left Ear (dB HL) | 10.0 (4.54) | 15.9 (4.54) |
| Mean (SE) threshold @ 2 kHz Right Ear (dB HL) | 9.6 (2.77) | 7.7 (2.77) |
| Mean (SE) threshold @ 5 kHz Left Ear (dB HL) | 29.4 (7.65) | 28.4 (7.65) |
| Mean (SE) threshold @ 5 kHz Right Ear (dB HL) | 27.3 (5.68) | 23.0 (5.68) |
| Mean (SE) Training stimulus loudness (dB SPL)a | 60.0 (2.05) | 58.5 (2.01) |
| TINNITUS CHARACTERISTICS | ||
| Mean (SE) duration in years | 11.7 (3.03) | |
| Mean (SE) loudness rating Borg CR100 Scaleb | 57.1 (6.21) | |
| Mean (SE) loudness match (1 kHz tone, dB SPL)b | 53.9 (6.32) | |
| Tinnitus Bandwidth (number of participants)b | ||
| Tonal | 6 | |
| Ringing | 2 | |
| Hissing | 3 | |
| Tinnitus Ear | ||
| Bilateral | 11 | |
| Left | 0 | |
| Right | 0 | |
a
Participants matched the 5 kHz 40-Hz AM training stimulus to the loudness of a 2 kHz 40-Hz AM 65 dB SPL sound used in earlier research with young normal hearing subjects Gander et al. (2010b).
b
Before auditory training.