Gondan, Matthias and Goetze, Christina and Greenlee, Mark W. (2010) Redundancy gains in simple responses and go/no-go tasks. ATTENTION PERCEPTION & PSYCHOPHYSICS, 72 (6). pp. 1692-1709. ISSN 1943-3921, 1943-393X
Full text not available from this repository. (Request a copy)Abstract
In divided-attention tasks with two classes of target stimuli, participants typically respond more quickly if both targets are presented simultaneously, as compared with single-target presentation (redundant-signals effect). Different explanations exist for this effect, including serial, parallel, and coactivation models of information processing. In two experiments, we investigated redundancy gains in simple and go/no-go responses to auditory visual stimuli presented with an onset asynchrony. In Experiment 1, go/no-go discrimination was performed for near-threshold and suprathreshold stimuli. Response times in both the simple and go/no-go responses were well explained by a common coactivation model assuming linear superposition of modality-specific activation. In Experiment 2, the go/no-go task was made more difficult. Participants had to respond to high-frequency tones or right-tilted Gabor patches and to withhold their response for low tones and left-tilted Gabors. Redundancy gains were consistent with coactivation models; however, channel-specific buildup of evidence seems to occur at different speeds in the two tasks. Response times of 1 participant support a serial self-terminating model of modality-specific information processing. Supplemental materials for this article may be downloaded from http://app.psychonomic-journals.org/content/supplemental.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | RACE MODEL INEQUALITY; REACTION-TIME; DIVIDED ATTENTION; INTERSENSORY FACILITATION; MULTISENSORY INTERACTIONS; STATISTICAL FACILITATION; SUPERIOR COLLICULUS; SIGNALS; COACTIVATION; INTEGRATION; |
| Subjects: | 100 Philosophy & psychology > 150 Psychology |
| Divisions: | Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie I (Allgemeine Psychologie I und Methodenlehre) - Prof. Dr. Mark W. Greenlee |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 20 Jul 2020 06:04 |
| Last Modified: | 20 Jul 2020 06:04 |
| URI: | https://pred.uni-regensburg.de/id/eprint/24344 |
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