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Figure 1 | BMC Neuroscience

Figure 1

From: Prepulse inhibition of auditory change-related cortical responses

Figure 1

Auditory stimuli. The standard or background stimulus was a train of brief sounds 25 ms in duration, 800 Hz in frequency, and 65 dB SPL in sound pressure. The test stimulus to evoke change-related cortical responses was a similar train of 10 brief sounds of 70 dB. One brief sound was inserted before the test stimulus as a prepulse.

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