Altering access to autobiographical episodes with prior semantic knowledge |
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| Institution: | 1. Department of Psychology, McGill University, Montreal, Canada;2. School of Psychology, University of East Anglia, Norfolk, UK;1. Department of Psychiatry, University of California San Diego, San Diego, CA, USA;2. Department of Psychology, University of Arizona, Tucson, AZ, USA;3. Department of Neurology, University of Arizona, Tucson, AZ, USA;4. Southern Arizona VA Health Care System, Tucson, AZ, USA;5. Department of Psychiatry, University of Arizona, Tucson, AZ, USA;6. Department of Neurology, Epilepsy Center, University Hospital Erlangen, Germany;1. School of Psychology, University of Ottawa, Ontario, Canada;2. Department of Neuroscience, Dickinson College, PA, USA;3. School of Psychology, University of East Anglia, Norfolk, UK;1. Department of Psychology, University of Toronto, 100 St. George Street, Toronto, Ontario M5S 3G3, Canada;2. Geisel School of Medicine, Dartmouth College, 1 Rope Ferry Road, Hanover, NH 03755, USA;3. Department of Psychology and Neuroscience, Baylor University, 101 Bagby Ave., Waco, TX 76706, USA;4. Rotman Research Institute, Baycrest Health Sciences, 3560 Bathurst Street, Toronto, Ontario M6A 2E1, Canada;5. Department of Psychology, Trent University, 1600 West Bank Drive, Peterborough, Ontario K9L 0G2, Canada;6. Department of Psychiatry, University of Toronto, 250 College Street, Toronto, Ontario M5T 1R8, Canada |
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| Abstract: | Within autobiographical knowledge, semantic and episodic memory are traditionally considered separate, but newer models place them along a continuum, which raises the possibility of an intermediate form of knowledge - personal semantics. This study tested how different types of semantics – general semantics and two forms of personal semantics – impact access to personal episodic memories. In two experiments, participants made a series of true/false judgments about a prime statement, which reflected a general semantic fact, a context-dependent (e.g., repeated event) or context-independent (e.g., trait), personal semantic fact and then retrieved a specific past episodic memory. There was a significantly stronger priming effect for accessing specific episodic memories after judging personal semantic facts versus general facts. We also found that context-dependent and -independent personal semantic facts had separable priming effects on episodic memory. These findings support a continuum model of memory and verifies that there are multiple forms of personal knowledge. |
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| Keywords: | Episodic memory Semantic memory Autobiographical memory Priming Personal semantics |
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