Highly Superior Autobiographical Memory: Quality and Quantity of Retention Over Time

Frontiers in Psychology
Aurora K R LePortCraig E L Stark

Abstract

Individuals who have Highly Superior Autobiographical Memory (HSAM) are able to recall, with considerable accuracy, details of daily experiences that occurred over many previous decades. The present study parametrically investigates the quantity and quality of details of autobiographical memories acquired 1-week, 1-month, 1-year, and 10-years prior in HSAMs and controls. In addition, we tested the consistency of details provided at the 1-week delay by testing the subjects 1 month later with a surprise assessment. At the 1-week delay, HSAMs and controls recalled an equivalent number of events. In contrast, HSAM recall performance was superior at more remote delays, with remarkable consistency following a 1-month delay. Further, we revealed a relationship between the consistency of recall and HSAMs' obsessive-compulsive tendencies. These data suggest that HSAMs experience normal encoding, yet enhanced consolidation and later recall of autobiographical events.

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Citations

Mar 17, 2016·Memory·Aurora K R LePortCraig E L Stark
Nov 16, 2017·Brain Structure & Function·Nils C J MüllerMartin Dresler
Jul 11, 2018·Proceedings of the National Academy of Sciences of the United States of America·Valerio SantangeloPatrizia Campolongo
Jan 7, 2021·Brain Connectivity·Matteo De MarcoAnnalena Venneri
Apr 9, 2021·Cognition & Emotion·Linda J LevineCraig E L Stark
Jan 19, 2021·Memory·Daniel L Schacter
Jun 26, 2021·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Valerio SantangeloPatrizia Campolongo

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