Related Experiment Videos
Updating space during imagined self- and array translations.
1Department of Psychology, University of Utah, Salt Lake City, Utah 84112-0251, USA. sarah.creem@psych.utah.edu
Memory & Cognition
|December 4, 2003
Summary
Imagining yourself move (viewer translation) improves spatial updating accuracy and speed compared to imagining an object move (array translation). This advantage stems from predicting a moving frame of reference, not the transformation type.
Area of Science:
- Cognitive Psychology
- Spatial Cognition
- Human Spatial Updating
Background:
- Previous research shows superior spatial updating during imagined viewer rotation compared to object rotation.
- Rotational transformations are generally considered more difficult than translational ones.
Purpose of the Study:
- To investigate if the spatial updating advantage for imagined self-motion extends to translations.
- To determine if the frame of reference (self vs. array) matters more than the transformation type (rotation vs. translation).
Main Methods:
- Three experiments were conducted involving participants updating object positions after imagining viewer or array translation.
- Experiment 3 directly compared real and imagined self- and array translations.
Main Results:
- Experiments 1 and 2 replicated previous findings, showing a response time and accuracy advantage for imagined viewer translation over array translation.
- Experiment 3 revealed an advantage for real over imagined array translation.
Conclusions:
- The benefit of imagined viewer transformations is linked to predicting a moving frame of reference, not the specific transformation (rotation or translation).
- Spatial updating performance is influenced by the ability to internally simulate changes in one's own perspective.