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Social and Behavioral Sciences Commons™
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Full-Text Articles in Social and Behavioral Sciences
Effects Of A Consistent Target Or Masker Voice On Target Speech Intelligibility In Two- And Three-Talker Mixtures., Fabienne Samson, Ingrid S Johnsrude
Effects Of A Consistent Target Or Masker Voice On Target Speech Intelligibility In Two- And Three-Talker Mixtures., Fabienne Samson, Ingrid S Johnsrude
Brain and Mind Institute Researchers' Publications
When the spatial location or identity of a sound is held constant, it is not masked as effectively by competing sounds. This suggests that experience with a particular voice over time might facilitate perceptual organization in multitalker environments. The current study examines whether listeners benefit from experience with a voice only when it is the target, or also when it is a masker, using diotic presentation and a closed-set task (coordinate response measure). A reliable interaction was observed such that, in two-talker mixtures, consistency of masker or target voice over 3-7 trials significantly benefited target recognition performance, whereas in three-talker …
Visual Acceleration Perception For Simple And Complex Motion Patterns., Alexandra S Mueller, Brian Timney
Visual Acceleration Perception For Simple And Complex Motion Patterns., Alexandra S Mueller, Brian Timney
Brain and Mind Institute Researchers' Publications
Humans are able to judge whether a target is accelerating in many viewing contexts, but it is an open question how the motion pattern per se affects visual acceleration perception. We measured acceleration and deceleration detection using patterns of random dots with horizontal (simpler) or radial motion (more visually complex). The results suggest that we detect acceleration better when viewing radial optic flow than horizontal translation. However, the direction within each type of pattern has no effect on performance and observers detect acceleration and deceleration similarly within each condition. We conclude that sensitivity to the presence of acceleration is generally …