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The diminishing precision of memory for time. | LitMetric

The diminishing precision of memory for time.

Psychon Bull Rev

Department of Psychological Sciences, University of Missouri, Columbia, MO, 65211, USA.

Published: February 2022

AI Article Synopsis

  • - The text explains how understanding the timing of events can enhance episodic memory by helping distinguish between memories, learn event sequences, and develop effective retrieval strategies.
  • - A study is presented where participants were tested on their ability to accurately place pictures along a timeline, revealing that their precision in recalling when memories were formed decreased over time.
  • - Results indicate that while guessing played a minor role, participants showed a bias towards remembering more recent events, highlighting unique aspects of how time retrieval differs from retrieving other memory features like color or location.

Article Abstract

Knowing when an event took place can provide several benefits to episodic memory, such as distinguishing among multiple traces, learning sequences of events, and guiding a search strategy. As a tool for understanding memory, time is particularly appealing given its ever-changing quality, the constant possibility to associate it with encoded events, and the ease with which it can be targeted at retrieval. Whereas studies of episodic retrieval typically employ categorical and probabilistic measures of retrieval success, characterizing a continuous feature such as time warrants measures particularly sensitive to the fidelity, or precision, of retrieved information. Here, we adapt a paradigm for assessing the fine-grained precision of retrieval to understand the nature of judging the time at which a memory was encoded. Subjects studied a series of pictures and then undertook a test in which they placed each picture, as precisely as possible, along a continuous time line representing the study list. Based on mixture-modeling analyses of the test response errors, the primary results were that temporal judgments were less accurate with passing time, and this change was due to diminished precision as opposed to an increased rate of guessing. Moreover, although we observed a negligible influence of guessing, subjects exhibited a clear effect of bias that favored recent responses. Together, in contrast to numerous studies of memory for other continuous features (e.g., color and location), our findings demonstrate a novel pattern of decision factors, suggesting that the retrieval of time might highlight distinct attributes of episodic memory.

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Source
http://dx.doi.org/10.3758/s13423-021-01984-zDOI Listing

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