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Spatial Separation of Molecular Conformers and Clusters
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Is separation represented in terms of position?
1George Washington University, United States of America.
Acta Psychologica
|January 18, 2025
Summary
Humans do not appear to store spatial positions directly when judging distance. This study found no evidence that memory for positions underlies distance perception, challenging the subtractive account of separation assessment.
Area of Science:
- Cognitive Psychology
- Human Perception
- Spatial Cognition
Background:
- Human judgment of separation (distance) is debated between additive and subtractive accounts.
- The subtractive account posits distance is inferred from positional differences.
- Recent findings support the additive account over the subtractive account.
Purpose of the Study:
- To explicitly test the subtractive account of separation assessment.
- To investigate if separations are represented in memory by their defining positions.
Main Methods:
- Two experiments were conducted to assess memory recall of separations and their defining positions.
- Participants recalled sets of separations and the positions that defined them.
Main Results:
- Participants exhibited a bias to mis-recall separations towards the set average, but not positions.
- Recall of separations was influenced by the scale's range, unlike position recall.
Conclusions:
- The findings do not support the subtractive account's hypothesis of position-based memory representation.
- Human distance judgment likely relies on mechanisms other than direct recall of spatial positions.
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