The Stimulus Settings - TDT Medusa4Z User Manual

level will vary from 90 dB SPL to 10 dB SPL in 10 dB decrements. A 10ms response window
is acquired from a single acquisition channel on the preamplifier via the RZ6 fiber optic port.
A total of 512 responses will be averaged at each level.
C:\TDT\BioSigRZ\Configs\ABR\Root_ToneAbr.acf
A five millisecond, single-channel cosine-squared gated tone will be presented 21 times per
second at the following frequencies: 4 kHz, 8 kHz, 16 kHz, 24 kHz and 32 kHz. For each
frequency, the tone level will vary from 90 dB SPL to 20 dB SPL in 10 dB decrements. With
each successive presentation, the tone phase will alternate 180 degrees to eliminate
potential speaker artifacts. A 10ms response window is acquired from a single acquisition
channel on the preamplifier via the RZ6 fiber optic port. A total of 512 responses will be
averaged at each frequency and level combination.

The Stimulus Settings

The default stimulus settings represent a typical configuration and should be fine to begin, but
you may eventually want to make adjustments.
The stimulus setting dialog boxes can be opened by clicking Setup → Stimulus.
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