Koot, Britt (2022) What is Forgotten in Attribute Amnesia. Master thesis, Psychology.
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Abstract
The phenomenon of attribute amnesia suggests that our memory for attended objects might not be as precise as we intuitively believe. Although not all information appears to be lost in attribute amnesia, the way this residual information for stimulus identity is represented in memory requires further scrutinizing. One possibility is that an internal statistical model containing an average representation of the attended identities is automatically created over time. As such, participants would still exhibit attribute amnesia for stimulus identity, but their incorrect responses would be biased toward the previously attended letters. To test this, we replicated Chen and Wyble’s (2015) attribute amnesia paradigm, but only showed two target letters throughout the experiment. Additionally, when probing the stimulus identity, we included two letters that had not been shown throughout the experiment. The results indicated that participants were indeed poor at reporting the exact letter identity when there was no expectation to do so. However, there seemed to be a bias toward the previously attended letters. Crucially, this bias reflected their hypothesized internal distribution. Taken together, our results suggest that participants indeed automatically store the attended identities in a representation that reflects an internal statistical model.
| Item Type: | Thesis (Master) |
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| Supervisor name: | Jong, J. de and Akyurek, E.G. |
| Degree programme: | Psychology |
| Differentiation route: | Cognitive Psychology and Psychophysiology (CPP) [Master Psychology] |
| Date Deposited: | 23 Aug 2022 11:17 |
| Last Modified: | 23 Aug 2022 11:17 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/1324 |
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