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Updated: May 31, 2026

Testing Tactile Masking between the Forearms
Published on: February 10, 2016
Evaluation of similarity effects in informational masking
Thomas Y Lee1, Virginia M Richards
1Department of Psychology, University of Pennsylvania, 3401 Walnut Street, Suite 302C, Philadelphia, Pennsylvania 19104, USA. thomyle@sas.upenn.edu
Abstract:
The degree of similarity between signal and masker in informational masking paradigms has been hypothesized to contribute to informational masking. The present study attempted to quantify "similarity" using a discrimination task. Listeners discriminated various signal stimuli from a multitone complex and then detected the presence of those signals embedded in a multitone informational masker. Discriminability negatively correlated with detection threshold in an informational masking experiment, indicating that similarity between signal and the masker quality contributed to informational masking. These results suggest a method for specifying relevant signal attributes in informational masking paradigms involving similarity manipulations.
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