Temporary threshold shift (TTS) was measured in two bottlenose dolphins (Tursiops truncatus) after exposure to 16-s tones between 3 and 80 kHz to examine the effects of exposure frequency on the onset, growth, and recovery of TTS. Hearing thresholds were measured approximately one-half octave above the exposure frequency using a behavioral response paradigm featuring an adaptive staircase procedure. Results show frequency-specific differences in TTS onset and growth, and suggest increased susceptibility to auditory fatigue for frequencies between approximately 10 and 30 kHz. Between 3 and 56 kHz, the relationship between exposure frequency and the exposure level required to induce 6 dB of TTS, measured 4 min post-exposure, agrees closely with an auditory weighting function for bottlenose dolphins developed from equal loudness contours [Finneran and Schlundt. (2011). J. Acoust. Soc. Am. 130, 3124–3136].

1.
Au
,
W. W. L.
(
2000
). “
Hearing in whales and dolphins: An overview
,” in
Hearing by Whales and Dolphins
, edited by
W.
Au
,
A. N.
Popper
, and
R. R.
Fay
(
Springer
,
New York)
, pp.
1
42
.
2.
Cornsweet
,
T. N.
(
1962
). “
The staircase method in psychophysics
,”
Am. J. Psychol.
75
,
485
491
.
3.
Department of the Navy
(
2008
). “
Hawaii Range Complex Final Environmental Impact Statement/Overseas Environmental Impact Statement (EIS/OEIS)
” (
U.S. Department of Defense
,
Washington, DC
), pp.
2
1
2
66
.
4.
Elliott
,
D. N.
, and
Fraser
,
W. R.
(
1970
). “
Fatigue and adaptation
,” in
Foundations of Modern Auditory Theory, Vol. I
, edited by
J. V.
Tobias
(
Academic
,
New York)
, pp.
117
155
.
8.
Finneran
,
J. J.
,
Carder
,
D. A.
,
Schlundt
,
C. E.
, and
Dear
,
R. L.
(
2010a
). “
Growth and recovery of temporary threshold shift (TTS) at 3 kHz in bottlenose dolphins (Tursiops truncatus)
,”
J. Acoust. Soc. Am.
127
,
3256
3266
.
9.
Finneran
,
J. J.
,
Carder
,
D. A.
,
Schlundt
,
C. E.
, and
Dear
,
R. L.
(
2010b
). “
Temporary threshold shift in a bottlenose dolphin (Tursiops truncatus) exposed to intermittent tones
,”
J. Acoust. Soc. Am.
127
,
3267
3272
.
10.
Finneran
,
J. J.
,
Carder
,
D. A.
,
Schlundt
,
C. E.
, and
Ridgway
,
S. H.
(
2005
). “
Temporary threshold shift (TTS) in bottlenose dolphins (Tursiops truncatus) exposed to mid-frequency tones
,”
J. Acoust. Soc. Am.
118
,
2696
2705
.
5.
Finneran
,
J. J.
, and
Schlundt
,
C. E.
(
2007
). “
Underwater sound pressure variation and bottlenose dolphin (Tursiops truncatus) hearing thresholds in a small pool
,”
J. Acoust. Soc. Am.
122
,
606
614
.
6.
Finneran
,
J. J.
, and
Schlundt
,
C. E.
(
2010
). “
Frequency-dependent and longitudinal changes in noise-induced hearing loss in a bottlenose dolphin (Tursiops truncatus)
,”
J. Acoust. Soc. Am.
128
,
567
570
.
7.
Finneran
,
J. J.
, and
Schlundt
,
C. E.
(
2011
). “
Subjective loudness level measurements and equal loudness contours in a bottlenose dolphin (Tursiops truncatus)
,”
J. Acoust. Soc. Am.
130
,
3124
3136
.
11.
Finneran
,
J. J.
,
Schlundt
,
C. E.
,
Branstetter
,
B.
, and
Dear
,
R. L.
(
2007
). “
Assessing temporary threshold shift in a bottlenose dolphin (Tursiops truncatus) using multiple simultaneous auditory evoked potentials
,”
J. Acoust. Soc. Am.
122
,
1249
1264
.
12.
Finneran
,
J. J.
,
Schlundt
,
C. E.
,
Carder
,
D. A.
,
Clark
,
J. A.
,
Young
,
J. A.
,
Gaspin
,
J. B.
, and
Ridgway
,
S. H.
(
2000
). “
Auditory and behavioral responses of bottlenose dolphins (Tursiops truncatus) and a beluga whale (Delphinapterus leucas) to impulsive sounds resembling distant signatures of underwater explosions
,”
J. Acoust. Soc. Am.
108
,
417
431
.
13.
Finneran
,
J. J.
,
Schlundt
,
C. E.
,
Dear
,
R.
,
Carder
,
D. A.
, and
Ridgway
,
S. H.
(
2002
). “
Temporary shift in masked hearing thresholds (MTTS) in odontocetes after exposure to single underwater impulses from a seismic watergun
,”
J. Acoust. Soc. Am.
111
,
2929
2940
.
14.
Henderson
,
D.
,
Bielefeld
,
E. C.
,
Harris
,
K. C.
, and
Hu
,
B. H.
(
2006
). “
The role of oxidative stress in noise-induced hearing loss
,”
Ear Hear.
27
,
1
19
.
15.
Houser
,
D. S.
, and
Finneran
,
J. J.
(
2006
). “
Variation in the hearing sensitivity of a dolphin population obtained through the use of evoked potential audiometry
,”
J. Acoust. Soc. Am.
120
,
4090
4099
.
16.
Kastak
,
D.
,
Reichmuth
,
C.
,
Holt
,
M. M.
,
Mulsow
,
J.
,
Southall
,
B. L.
, and
Schusterman
,
R. J.
(
2007
). “
Onset, growth, and recovery of in-air temporary threshold shift in a California sea lion (Zalophus californianus)
,”
J. Acoust. Soc. Am.
122
,
2916
2924
.
17.
Kastak
,
D.
,
Schusterman
,
R. J.
,
Southall
,
B. L.
, and
Reichmuth
,
C. J.
(
1999
). “
Underwater temporary threshold shift induced by octave-band noise in three species of pinniped
,”
J. Acoust. Soc. Am.
106
,
1142
1148
.
18.
Kastak
,
D.
,
Southall
,
B. L.
,
Schusterman
,
R. J.
, and
Kastak
,
C. R.
(
2005
). “
Underwater temporary threshold shift in pinnipeds: Effects of noise level and duration
,”
J. Acoust. Soc. Am.
118
,
3154
3163
.
19.
Kastelein
,
R. A.
,
Gransier
,
R.
,
Hoek
,
L.
,
Macleod
,
A.
, and
Terhune
,
J. M.
(
2012a
). “
Hearing threshold shifts and recovery in harbor seals (Phoca vitulina) after octave-band noise exposure at 4 kHz
,”
J. Acoust. Soc. Am.
132
,
2745
2761
.
20.
Kastelein
,
R. A.
,
Gransier
,
R.
,
Hoek
,
L.
, and
Olthuis
,
J.
(
2012b
). “
Temporary threshold shifts and recovery in a harbor porpoise (Phocoena phocoena) after octave-band noise at 4 kHz
,”
J. Acoust. Soc. Am.
132
,
3525
3537
.
21.
Keeler
,
J. S.
(
1968
). “
Compatible exposure and recovery functions for temporary threshold shift-mechanical and electrical models
,”
J. Sound Vib.
2
,
220
235
.
22.
Kujawa
,
S. G.
, and
Liberman
,
M. C.
(
2009
). “
Adding insult to injury: Cochlear nerve degeneration after ‘temporary’ noise-induced hearing loss
,”
J. Neurosci.
29
,
14077
14085
.
23.
Lucke
,
K.
,
Siebert
,
U.
,
Lepper
,
P. A.
, and
Blanchet
,
M.-A.
(
2009
). “
Temporary shift in masked hearing thresholds in a harbor porpoise (Phocoena phocoena) after exposure to seismic airgun stimuli
,”
J. Acoust. Soc. Am.
125
,
4060
4070
.
24.
Maslen
,
K. R.
(
1981
). “
Towards a better understanding of temporary threshold shift of hearing
,”
Appl. Acoust.
14
,
281
318
.
25.
McFadden
,
D.
, and
Plattsmier
,
H. S.
(
1983
). “
Frequency patterns of TTS for different exposure intensities
,”
J. Acoust. Soc. Am.
74
,
1178
1184
.
26.
Miller
,
J. D.
(
1974
). “
Effects of noise on people
,”
J. Acoust. Soc. Am.
56
,
729
764
.
27.
Mills
,
J. H.
,
Adkins
,
W. Y.
, and
Gilbert
,
R. M.
(
1981
). “
Temporary threshold shifts produced by wideband noise
,”
J. Acoust. Soc. Am.
70
,
390
396
.
28.
Mooney
,
T. A.
,
Nachtigall
,
P. E.
,
Breese
,
M.
,
Vlachos
,
S.
, and
Au
,
W. W. L.
(
2009
). “
Predicting temporary threshold shifts in a bottlenose dolphin (Tursiops truncatus): The effects of noise level and duration
,”
J. Acoust. Soc. Am.
125
,
1816
1826
.
29.
Nachtigall
,
P. E.
,
Pawloski
,
J.
, and
Au
,
W. W. L.
(
2003
). “
Temporary threshold shifts and recovery following noise exposure in the Atlantic bottlenosed dolphin (Tursiops truncatus)
,”
J. Acoust. Soc. Am.
113
,
3425
3429
.
30.
Nachtigall
,
P. E.
,
Supin
,
A. Y.
,
Pawloski
,
J.
, and
Au
,
W. W. L.
(
2004
). “
Temporary threshold shifts after noise exposure in the bottlenose dolphin (Tursiops truncatus) measured using evoked auditory potentials
,”
Marine Mammal Sci.
20
,
673
687
.
31.
OriginLab (
2010
). “Origin (Version 8.1) [computer software]” (OriginLab Corporation, Northampton, MA).
32.
Patuzzi
,
R.
(
1998
). “
Exponential onset and recovery of temporary threshold shift after loud sound: Evidence for long-term inactivation of mechano-electrical transduction channels
,”
Hear. Res.
125
,
17
38
.
33.
Popov
,
V. V.
,
Supin
,
A. Y.
,
Rozhnov
,
V. V.
,
Nechaev
,
D. I.
,
Sysuyeva
,
E. V.
,
Klishin
,
V. O.
,
Pletenko
,
M. G.
, and
Tarakanov
,
M. B.
(
2013
). “
Hearing threshold shifts and recovery after noise exposure in beluga whales Delphinapterus leucas
,”
J. Exp. Biol.
(in press).
34.
Popov
,
V. V.
,
Supin
,
A. Y.
,
Wang
,
D.
,
Wang
,
K.
,
Dong
,
L.
, and
Wang
,
S.
(
2011
). “
Noise-induced temporary threshold shift and recovery in Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis
,”
J. Acoust. Soc. Am.
130
,
574
584
.
35.
Price
,
G. R.
(
1981
). “
Implications of a critical level in the ear for assessment of noise hazard at high intensities
,”
J. Acoust. Soc. Am.
69
,
171
177
.
36.
Ridgway
,
S. H.
,
Carder
,
D. A.
,
Smith
,
R. R.
,
Kamolnick
,
T.
,
Schlundt
,
C. E.
, and
Elsberry
,
W. R.
(
1997
). “
Behavioral responses and temporary shift in masked hearing thresholds of bottlenose dolphins, Tursiops truncatus, to 1-second tones of 141–201 dB re 1 μPa
,” Technical Report 1751 (Naval Command, Control, and Ocean Surveillance Center, RDT&E Division, San Diego, CA).
37.
Schlundt
,
C. E.
,
Finneran
,
J. J.
,
Carder
,
D. A.
, and
Ridgway
,
S. H.
(
2000
). “
Temporary shift in masked hearing thresholds of bottlenose dolphins, Tursiops truncatus, and white whales, Delphinapterus leucas, after exposure to intense tones
,”
J. Acoust. Soc. Am.
107
,
3496
3508
.
38.
Southall
,
B. L.
,
Bowles
,
A. E.
,
Ellison
,
W. T.
,
Finneran
,
J. J.
,
Gentry
,
R. L.
,
Greene
,
C. R.
, Jr.
,
Kastak
,
D.
,
Ketten
,
D. R.
,
Miller
,
J. H.
,
Nachtigall
,
P. E.
,
Richardson
,
W. J.
,
Thomas
,
J. A.
, and
Tyack
,
P. L.
(
2007
). “
Marine mammal noise exposure criteria: initial scientific recommendations
,”
Aquat. Mamm.
33
,
411
521
.
39.
Ward
,
W. D.
(
1997
). “
Effects of high-intensity sound
,” in
Encyclopedia of Acoustics
, edited by
M. J.
Crocker
(
Wiley
,
New York
), pp.
1497
1507
.
40.
Ward
,
W. D.
,
Glorig
,
A.
, and
Sklar
,
D. L.
(
1958
). “
Dependence of temporary threshold shift at 4 kc on intensity and time
,”
J. Acoust. Soc. Am.
30
,
944
954
.
41.
Ward
,
W. D.
,
Glorig
,
A.
, and
Sklar
,
D. L.
(
1959
). “
Temporary threshold shift from octave-band noise: Applications to damage-risk criteria
,”
J. Acoust. Soc. Am.
31
,
522
528
.
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