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Centre for Policy on Ageing | |
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| Binocular detection of masked patterns in young and old observers | | Author(s) | Filippo Speranza, Giampaolo Moraglia, Bruce A Schneider |
| Journal title | Psychology and Aging, vol 16, no 2, June 2001 |
| Pages | pp 281-292 |
| Keywords | Cognitive processes ; Listening ; Older people ; Young adults [20-25] ; United States of America. |
| Annotation | Our ability to detect and identify objects in a complex visual scene is affected by variables such as visibility and light conditions. Sperenza et al's 1995 study showed that the relative difference between binoptic and dichoptic thresholds does not change with age. However, older people showed higher binoptic and dichoptic thresholds, thus suggesting an age-related difficulty with degraded stimulation. In this article, the authors replicated these findings, and then investigated whether age-related changes to processing efficiency, additive internal noise, and the spatial frequency bandwidth of the detecting filters could account, separately or concurrently, for the elevated thresholds in noise exhibited by older people. Results indicate that this increase is not attributable to age-related changes in filter bandwidth or internal noise. Rather, the findings can be explained in terms of a decrease in processing efficiency with age. (RH). |
| Accession Number | CPA-020111222 A |
| Classmark | DA: UOA: B: SD6: 7T |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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