Auditory intensity discrimination in human infants

1983 ◽  
Vol 73 (S1) ◽  
pp. S105-S105
Author(s):  
Joan M. Sinnott ◽  
Richard N. Aslin
Keyword(s):  
Intensity Discrimination ◽  
Human Infants ◽  
Auditory Intensity

Involuntary Listening AIDS Hearing

1997 ◽  
Vol 8 (2) ◽  
pp. 112-118 ◽  
Author(s):  
Lawrence M. Ward
Keyword(s):  
Response Time ◽  
Discrimination Task ◽  
Frequency Region ◽  
Intensity Discrimination ◽  
Frequency Space ◽  
Auditory Intensity ◽  
Attention Orienting ◽  
Time Accuracy ◽  
Measured Response ◽  
Subsequent Target

In two experiments, I simultaneously measured response time, accuracy, and response bias in an auditory intensity discrimination task to look for evidence of stimulus-driven attention orienting in auditory frequency space. The results demonstrated that a cue tone caused an apparently involuntary orienting of attention to the cue's frequency region, allowing faster and more accurate processing of a subsequent target tone when it occurred at the same frequency as the cue than when it occurred at a different frequency. Relationships between response time, accuracy, and bias measures also allowed masking and other effects to be separated from attention-orienting effects in these experiments.

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