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Fig. 4. Intensity differences and steering responses. (A) A reference sound pattern
of 60 dB SPL was presented simultaneously with a test pattern of equal or
higher amplitude. Intensity differences are indicated above the top trace.
Lateral deviation towards the louder sound pattern was minute at 1 dB and
increased with increasing intensity difference. Oscillations in the lateral
steering velocity occurred during each test together with oscillations in the
translational velocity. (B) Lateral deviation as a function of the intensity
difference is presented. The lateral deviation is expressed as a percentage of
the steering towards a 75 dB reference pattern presented from one side only.
(C) Average steering response of a cricket when exposed to intensity
differences of 1, 2 and 10 dB. (D) Overall path length walked during the
different tests.
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