Long-Term Memory for Haptically Explored Objects: Fidelity, Durability, Incidental Encoding, and Cross-Modal Transfer

Hutmacher, Fabian and Kuhbandner, Christof (2018) Long-Term Memory for Haptically Explored Objects: Fidelity, Durability, Incidental Encoding, and Cross-Modal Transfer. PSYCHOLOGICAL SCIENCE, 29 (12). pp. 2031-2038. ISSN 0956-7976, 1467-9280

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Abstract

The question of how many of our perceptual experiences are stored in long-term memory has received considerable attention. The present study examined long-term memory for haptic experiences. Blindfolded participants haptically explored 168 everyday objects (e.g., a pen) for 10 s each. In a blindfolded memory test, they indicated which of two objects from the same basic-level category (e.g., two different pens) had been touched before. As shown in Experiment 1 (N = 26), memory was nearly perfect when tested immediately after exploration (94%) and still high when tested after 1 week (85%). As shown in Experiment 2 (N = 43), when participants explored the objects without the intention to memorize them, memory in a 1-week delayed surprise test was still high (79%), even when assessed with a cross-modal visual memory test (73%). These results indicate that detailed, durable, long-term memory representations are stored as a natural product of haptic perception.

Item Type: Article
Uncontrolled Keywords: STORAGE CAPACITY; VISUAL MEMORY; RECOGNITION; AWARENESS; FAMILIAR; haptic memory; perceptual memory; cross-modal memory; object memory; memory capacity; open data; open materials; preregistered
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Psychology and Pedagogy > Institut für Psychologie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 04 Oct 2019 09:53
Last Modified: 04 Oct 2019 09:53
URI: https://pred.uni-regensburg.de/id/eprint/13423

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